1.8 mA per channel maximum @ 10 Mbps
Bidirectional communication
3 V/5 V level translation
High temperature operation: 105°C
Up to 10 Mbps data rate (NRZ)
Programmable default output state
High common-mode transient immunity: >25 kV/μs
16-lead, RoHS-compliant, SOIC wide body package
Safety and regulatory approvals
UL recognition: 2500 V rms for 1 minute per UL 1577
CSA component acceptance notice #5A
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
V
= 560 V peak
IORM
TÜV approval: IEC/EN 60950-1
APPLICATIONS
General-purpose multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
GENERAL DESCRIPTION
The ADuM141x1 are four-channel digital isolators based on
Analog Devices, Inc.iCoupler® technology. Combining high
s
peed CMOS and monolithic air core transformer technologies,
these isolation components provide outstanding performance
characteristics superior to alternatives such as optocoupler devices.
By avoiding the use of LEDs and photodiodes, iCoupler devices
remove the design difficulties commonly associated with optocouplers. The usual concerns that arise with optocouplers, such
as uncertain current transfer ratios, nonlinear transfer functions,
and temperature and lifetime effects, are eliminated with the simple
iCoupler digital interfaces and stable performance characteristics.
The need for external drivers and other discrete components is
eliminated with these iCoupler products. Furthermore, iCoupler
1
Protected by U.S. Patents 5,952,849 6,873,065 and 7,075,329.
Rev. I
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Anal og Devices for its use, nor for any infringements of patents or ot her
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
ADuM1410/ADuM1411/ADuM1412
FUNCTIONAL BLOCK DIAGRAMS
1
V
DD1
ADuM1410
2
GND
1
3
V
V
V
V
DISABLE
GND
ENCODEDECODE
IA
4
ENCODEDECODE
IB
5
ENCODEDECODE
IC
6
ENCODEDECODE
ID
7
8
1
Figure 1. ADuM1410
1
V
DD1
ADuM1411
2
GND
1
3
ENCODEDECODE
IA
4
ENCODEDECODE
IB
5
ENCODEDECODE
IC
6
DECODEENCODE
7
1
8
1
V
CTRL
GND
V
V
V
OD
Figure 2. ADuM1411
1
V
DD1
ADuM1412
2
GND
1
3
ENCODEDECODE
IA
4
ENCODEDECODE
IB
5
DECODEENCODE
6
DECODEENCODE
7
1
8
1
V
V
CTRL
GND
V
V
OC
OD
Figure 3. ADuM1412
devices consume one-tenth to one-sixth the power of optocouplers at comparable signal data rates.
The ADuM141x isolators provide four independent isolation
channels in a variety of channel configurations and data rates
(see the Ordering Guide) up to 10 Mbps. All models operate
with the supply voltage on either side ranging from 2.7 V to 5.5 V,
providing compatibility with lower voltage systems as well as
enabling voltage translation functionality across the isolation
barrier. All products also have a default output control pin. This
allows the user to define the logic state the outputs are to adopt
in the absence of the input power. Unlike other optocoupler
alternatives, the ADuM141x isolators have a patented refresh
feature that ensures dc correctness in the absence of input logic
transitions and during power-up/power-down conditions.
Changes to Ordering Guide.......................................................... 20
3/06—Rev. C to Rev. D
Added Note 1 and Changes to Figure 2..........................................1
Changes to Absolute Maximum Ratings..................................... 11
11/05—Revision C: Initial Version
Throughout ........................1
2
Rev. I | Page 2 of 24
Page 3
Data Sheet ADuM1410/ADuM1411/ADuM1412
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—5 V OPERATION
4.5 V ≤ V
unless otherwise noted; all typical specifications are at T
Table 1.
Parameter Symbol Min Typ Max Unit Test Conditions
DC SPECIFICATIONS
Input Supply Current per Channel,
Output Supply Current per Channel,
ADuM1410, Total Supply Current,
ADuM1411, Total Supply Current,
ADuM1412, Total Supply Current,
All Models
≤ 5.5 V, 4.5 V ≤ V
DD1
≤ 5.5 V; all minimum/maximum specifications apply over the entire recommended operation range,
DD2
= 25°C, V
A
0.50 0.73 mA
I
DDI (Q)
DD1
= V
= 5 V. All voltages are relative to their respective ground.
DD2
Quiescent
I
0.38 0.53 mA
DDO (Q)
Quiescent
Four Channels
1
DC to 2 Mbps
V
Supply Current I
DD1
V
Supply Current I
DD2
2.4 3.2 mA DC to 1 MHz logic signal frequency
DD1 (Q)
1.2 1.6 mA DC to 1 MHz logic signal frequency
DD2 (Q)
10 Mbps (BRWZ Version Only)
V
Supply Current I
DD1
V
Supply Current I
DD2
Four Channels
1
8.8 12 mA 5 MHz logic signal frequency
DD1 (10)
2.8 4.0 mA 5 MHz logic signal frequency
DD2 (10)
DC to 2 Mbps
V
Supply Current I
DD1
V
Supply Current I
DD2
2.2 2.8 mA DC to 1 MHz logic signal frequency
DD1 (Q)
1.8 2.4 mA DC to 1 MHz logic signal frequency
DD2 (Q)
10 Mbps (BRWZ Version Only)
V
Supply Current I
DD1
V
Supply Current I
DD2
1
Four Channels
5.4 7.6 mA 5 MHz logic signal frequency
DD1 (10)
3.8 5.3 mA 5 MHz logic signal frequency
DD2 (10)
DC to 2 Mbps
V
or V
DD1
Supply Current I
DD2
DD1 (Q)
, I
2.0 2.6 mA DC to 1 MHz logic signal frequency
DD2 (Q)
10 Mbps (BRWZ Version Only)
V
or V
DD1
Supply Current I
DD2
Input Currents
Logic High Input Threshold
Logic Low Input Threshold
Logic Low Output Voltages
DD1 (10)
, IIB, IIC,
I
IA
, I
I
ID
I
CTRL2
V
IH
V
IL
V
OAH
V
OCH
V
OAL
V
OCL
CTRL1
, I
, V
, V
, V
, V
, I
4.6 6.5 mA 5 MHz logic signal frequency
DD2 (10)
−10 +0.01 +10 µA
,
DISABLE
2.0 V
0.8 V
(V
or V
OBH
ODH
OBL
ODL
,
,
DD1
(V
DD1
0.0 0.1 V IOx = 20 µA, VIx = V
0.04 0.1 V IOx = 400 µA, VIx = V
) − 0.1 5.0 V IOx = −20 µA, VIx = V
DD2
or V
) − 0.4 4.8 V IOx = −4 mA, VIx = V
DD2
0.2 0.4 V IOx = 4 mA, VIx = V
0 V ≤ V
0 V ≤ V
0 V ≤ V
, VIB, VIC, VID ≤ V
IA
, V
CTRL1
CTRL2
≤ V
DISABLE
DD1
≤ V
IxH
IxL
IxL
or V
or V
DD2
DD2
,
,
DD1
DD1
Logic High Output Voltages
IxH
IxL
Rev. I | Page 3 of 24
Page 4
ADuM1410/ADuM1411/ADuM1412 Data Sheet
Parameter Symbol Min Typ Max Unit Test Conditions
SWITCHING SPECIFICATIONS
ADuM141xARWZ
Minimum Pulse Width2 PW 1000 ns CL = 15 pF, CMOS signal levels
Maximum Data Rate3 1 Mbps CL = 15 pF, CMOS signal levels
Propagation Delay4 t
Pulse Width Distortion, |t
PLH
− t
|4 PWD 40 ns CL = 15 pF, CMOS signal levels
PHL
Propagation Delay Skew5 t
Channel-to-Channel Matching6 t
ADuM141xBRWZ
Minimum Pulse Width2 PW 100 ns CL = 15 pF, CMOS signal levels
Maximum Data Rate3 10 Mbps CL = 15 pF, CMOS signal levels
Propagation Delay4 t
Pulse Width Distortion, |t
PLH
− t
|4 PWD 5 ns CL = 15 pF, CMOS signal levels
PHL
Change vs. Temperature 5 ps/°C CL = 15 pF, CMOS signal levels
Propagation Delay Skew5 t
Channel-to-Channel Matching,
Codirectional Channels
6
Channel-to-Channel Matching,
Opposing-Directional Channels
All Models
Output Rise/Fall Time (10% to 90%) tR/tF 2.5 ns CL = 15 pF, CMOS signal levels
Common-Mode Transient Immunity
at Logic High Output
Common-Mode Transient Immunity
at Logic Low Output
7
7
Refresh Rate fr 1.2 Mbps
Input Enable Time8 t
Input Disable Time8 t
Input Dynamic Supply Current
per Channel
Output Dynamic Supply Current
per Channel
1
The supply current values for all four channels are combined when running at identical data rates. Output supply current values are specified with no output load
present. The supply current associated with an individual channel operating at a given data rate can be calculated as described in the P section.
See Figure through Figure 10 for information on per-channel supply current as a function of data rate for unloaded and loaded conditions. See Figure through
Figure 15
2
The minimum pulse width is the shortest pulse width at which the specified pulse width distortion is guaranteed.
3
The maximum data rate is the fastest data rate at which the specified pulse width distortion is guaranteed.
4
t
PHL
measured from the 50% level of the rising edge of the VIx signal to the 50% level of the rising edge of the VOx signal.
5
t
PSK
within the recommended operating conditions.
6
Codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of
the isolation barrier. Opposing-directional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channels with
inputs on opposing sides of the isolation barrier.
7
|CMH| is the maximum common-mode voltage slew rate that can be sustained while maintaining VO > 0.8 V
that can be sustained while maintaining V
magnitude is the range over which the common mode is slewed.
8
Input enable time is the duration from when V
transitions. If an input data logic transition within a given channel does occur within this time interval, the output of that channel reaches the correct state within the
much shorter duration as determined by the propagation delay specifications within this data sheet. Input disable time is the duration from when V
until the output states are guaranteed to reach their programmed output levels, as determined by the CTRL
9
Dynamic supply current is the incremental amount of supply current required for a 1 Mbps increase in signal data rate. See through for information
on per-channel supply current for unloaded and loaded conditions. See the section for guidance on calculating the per-channel supply current
for a given data rate.
8
for total V
propagation delay is measured from the 50% level of the falling edge of the VIx signal to the 50% level of the falling edge of the VOx signal. t
is the magnitude of the worst-case difference in t
DD1
9
9
and V
supply currents as a function of data rate for ADuM1410/ADuM1411/ADuM1412 channel configurations.
DD2
< 0.8 V. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. The transient
O
, t
20 65 100 ns CL = 15 pF, CMOS signal levels
PHL
PLH
50 ns CL = 15 pF, CMOS signal levels
PSK
50 ns CL = 15 pF, CMOS signal levels
PSKCD/OD
, t
20 30 50 ns CL = 15 pF, CMOS signal levels
PHL
PLH
30 ns CL = 15 pF, CMOS signal levels
PSK
5 ns CL = 15 pF, CMOS signal levels
t
PSKCD
t
6 ns CL = 15 pF, CMOS signal levels
PSKOD
6
| 25 35 kV/µs
|CM
H
= V
or V
V
Ix
DD1
, VCM = 1000 V,
DD2
transient magnitude = 800 V
|CML| 25 35 kV/µs
= 0 V, VCM = 1000 V,
V
Ix
transient magnitude = 800 V
ENABLE
DISABLE
0.12
I
DDI (D)
2.0 µs VIA, VIB, VIC, VID = 0 V or V
5.0 µs VIA, VIB, VIC, VID = 0 V or V
mA/
Mbps
0.04
I
DDO (D)
mA/
Mbps
ower Consumption
propagation delay is
PLH
or t
that is measured between units at the same operating temperature, supply voltages, and output load
PHL
PLH
. |CML| is the maximum common-mode voltage slew rate
DD2
is set low until the output states are guaranteed to match the input states in the absence of any input data logic
DISABLE
DISABLE
Figure 10
Power Consumption
logic state (see Table 14).
2
Figure 8
DD1
DD1
11
is set high
Rev. I | Page 4 of 24
Page 5
Data Sheet ADuM1410/ADuM1411/ADuM1412
ELECTRICAL CHARACTERISTICS—3 V OPERATION
2.7 V ≤ V
unless otherwise noted; all typical specifications are at T
Table 2.
Parameter Symbol Min Typ Max Unit Test Conditions
DC SPECIFICATIONS
Input Supply Current per Channel,
Output Supply Current per Channel,
ADuM1410, Total Supply Current,
ADuM1411, Total Supply Current,
ADuM1412, Total Supply Current,
All Models
≤ 3.6 V, 2.7 V ≤ V
DD1
≤ 3.6 V; all minimum/maximum specifications apply over the entire recommended operation range,
DD2
= 25°C, V
A
0.25 0.38 mA
I
DDI (Q)
DD1
= V
= 3.0 V. All voltages are relative to their respective ground.
DD2
Quiescent
I
0.19 0.33 mA
DDO (Q)
Quiescent
Four Channels
1
DC to 2 Mbps
V
Supply Current I
DD1
V
Supply Current I
DD2
1.2 1.6 mA
DD1 (Q)
0.8 1.0 mA
DD2 (Q)
10 Mbps (BRWZ Version Only)
V
Supply Current I
DD1
V
Supply Current I
DD2
1
Four Channels
4.5 6.5 mA 5 MHz logic signal frequency
DD1 (10)
1.4 1.8 mA 5 MHz logic signal frequency
DD2 (10)
DC to 2 Mbps
V
Supply Current I
DD1
V
Supply Current I
DD2
1.0 1.9 mA DC to 1 MHz logic signal frequency
DD1 (Q)
0.9 1.7 mA DC to 1 MHz logic signal frequency
DD2 (Q)
10 Mbps (BRWZ Version Only)
V
Supply Current I
DD1
V
Supply Current I
DD2
Four Channels
1
3.1 4.5 mA 5 MHz logic signal frequency
DD1 (10)
2.1 3.0 mA 5 MHz logic signal frequency
DD2 (10)
DC to 2 Mbps
V
or V
DD1
Supply Current I
DD2
DD1 (Q)
, I
1.0 1.8 mA DC to 1 MHz logic signal frequency
DD2 (Q)
10 Mbps (BRWZ Version Only)
V
or V
DD1
Supply Current I
DD2
Input Currents
Logic High Input Threshold
Logic Low Input Threshold
Logic Low Output Voltages
DD1 (10)
, IIB, IIC,
I
IA
, I
I
ID
CTRL1
I
CTRL2
V
IH
V
IL
V
OAH
V
OCH
V
OAL
V
OCL
, I
, V
, V
, V
, V
, I
2.6 3.8 mA 5 MHz logic signal frequency
DD2 (10)
−10 +0.01 +10 µA
,
DISABLE
1.6 V
0.4 V
(V
or V
OBH
ODH
OBL
ODL
,
,
DD1
(V
DD1
0.0 0.1 V IOx = 20 µA, VIx = V
0.04 0.1 V IOx = 400 µA, VIx = V
) − 0.1 3.0 V IOx = −20 µA, VIx = V
DD2
or V
) − 0.4 2.8 V IOx = −4 mA, VIx = V
DD2
0.2 0.4 V I
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
, VIB, VIC, VID ≤ V
0 V ≤ V
IA
0 V ≤ V
CTRL1
0 V ≤ V
DISABLE
= 4 mA, VIx = V
Ox
, V
CTRL2
≤ V
DD1
≤ V
IxH
IxL
IxL
DD1
DD1
Logic High Output Voltages
IxH
IxL
or V
or V
DD2
DD2
,
,
Rev. I | Page 5 of 24
Page 6
ADuM1410/ADuM1411/ADuM1412 Data Sheet
Parameter Symbol Min Typ Max Unit Test Conditions
SWITCHING SPECIFICATIONS
ADuM141xARWZ
Minimum Pulse Width2 PW 1000 ns CL = 15 pF, CMOS signal levels
Maximum Data Rate3 1 Mbps CL = 15 pF, CMOS signal levels
Propagation Delay4 t
Pulse Width Distortion, |t
PLH
− t
PHL
4
|
Propagation Delay Skew5 t
Channel-to-Channel Matching6 t
ADuM141xBRWZ
Minimum Pulse Width2 PW 100 ns CL = 15 pF, CMOS signal levels
Maximum Data Rate3 10 Mbps CL = 15 pF, CMOS signal levels
Propagation Delay4 t
Pulse Width Distortion, |t
PLH
− t
PHL
4
|
Change vs. Temperature 5 ps/°C CL = 15 pF, CMOS signal levels
Propagation Delay Skew5 t
Channel-to-Channel Matching,
Output Rise/Fall Time (10% to 90%) tR/tF 2.5 ns CL = 15 pF, CMOS signal levels
Common-Mode Transient Immunity
at Logic High Output
Common-Mode Transient Immunity
at Logic Low Output
7
7
Refresh Rate fr 1.1 Mbps
Input Enable Time8 t
Input Disable Time8 t
Input Dynamic Supply Current
per Channel
Output Dynamic Supply Current
per Channel
1
The supply current values for all four channels are combined when running at identical data rates. Output supply current values are specified with no output load
present. The supply current associated with an individual channel operating at a given data rate can be calculated as described in the P section.
See Figure through Figure 10 for information on per-channel supply current as a function of data rate for unloaded and loaded conditions. See Figure through
Figure 15
2
The minimum pulse width is the shortest pulse width at which the specified pulse width distortion is guaranteed.
3
The maximum data rate is the fastest data rate at which the specified pulse width distortion is guaranteed.
4
t
PHL
measured from the 50% level of the rising edge of the VIx signal to the 50% level of the rising edge of the VOx signal.
5
t
PSK
within the recommended operating conditions.
6
Codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of
the isolation barrier. Opposing-directional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channels with
inputs on opposing sides of the isolation barrier.
7
|CMH| is the maximum common-mode voltage slew rate that can be sustained while maintaining VO > 0.8 V
that can be sustained while maintaining V
magnitude is the range over which the common mode is slewed.
8
Input enable time is the duration from when V
transitions. If an input data logic transition within a given channel does occur within this time interval, the output of that channel reaches the correct state within the
much shorter duration as determined by the propagation delay specifications within this data sheet. Input disable time is the duration from when V
until the output states are guaranteed to reach their programmed output levels, as determined by the CTRL
9
Dynamic supply current is the incremental amount of supply current required for a 1 Mbps increase in signal data rate. See through for information
on per-channel supply current for unloaded and loaded conditions. See the section for guidance on calculating the per-channel supply current
for a given data rate.
8
for total V
propagation delay is measured from the 50% level of the falling edge of the VIx signal to the 50% level of the falling edge of the VOx signal. t
is the magnitude of the worst-case difference in t
DD1
9
9
and V
supply currents as a function of data rate for ADuM1410/ADuM1411/ADuM1412 channel configurations.
DD2
< 0.8 V. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. The transient
O
DISABLE
, t
20 75 100 ns CL = 15 pF, CMOS signal levels
PHL
PLH
PWD 40 ns CL = 15 pF, CMOS signal levels
50 ns CL = 15 pF, CMOS signal levels
PSK
50 ns CL = 15 pF, CMOS signal levels
PSKCD/OD
, t
20 40 60 ns CL = 15 pF, CMOS signal levels
PHL
PLH
PWD 5 ns CL = 15 pF, CMOS signal levels
30 ns CL = 15 pF, CMOS signal levels
PSK
5 ns CL = 15 pF, CMOS signal levels
t
PSKCD
t
6 ns CL = 15 pF, CMOS signal levels
PSKOD
| 25 35 kV/µs
|CM
H
= V
or V
V
Ix
DD1
, VCM = 1000 V,
DD2
transient magnitude = 800 V
|CML| 25 35 kV/µs
= 0 V, VCM = 1000 V,
V
Ix
transient magnitude = 800 V
ENABLE
DISABLE
0.07
I
DDI (D)
2.0 µs VIA, VIB, VIC, VID = 0 V or V
5.0 µs VIA, VIB, VIC, VID = 0 V or V
mA/
DD1
DD1
Mbps
0.02
I
DDO (D)
mA/
Mbps
ower Consumption
or t
that is measured between units at the same operating temperature, supply voltages, and output load
PHL
PLH
. |CML| is the maximum common-mode voltage slew rate
DD2
is set low until the output states are guaranteed to match the input states in the absence of any input data logic
logic state (see Table 14).
2
Power Consumption
Figure 8
Figure 10
11
propagation delay is
PLH
is set high
DISABLE
Rev. I | Page 6 of 24
Page 7
Data Sheet ADuM1410/ADuM1411/ADuM1412
ELECTRICAL CHARACTERISTICS—MIXED 5 V/3 V OR 3 V/5 V OPERATION
5 V/3 V operation: 4.5 V ≤ V
minimum/maximum specifications apply over the entire recommended operation range, unless otherwise noted; all typical specifications
are at T
= 25°C; V
A
= 3.0 V, V
DD1
Table 3.
Parameter Symbol Min Typ Max Unit Test Conditions
DC SPECIFICATIONS
Input Supply Current per Channel,
Quiescent
5 V/3 V Operation 0.50 0.73 mA
3 V/5 V Operation 0.25 0.38 mA
Output Supply Current per Channel,
Quiescent
5 V/3 V Operation 0.19 0.33 mA
3 V/5 V Operation 0.38 0.53 mA
ADuM1410, Total Supply Current,
Four Channels
1
DC to 2 Mbps
V
Supply Current I
DD1
5 V/3 V Operation 2.4 3.2 mA
3 V/5 V Operation 1.2 1.6 mA
V
Supply Current I
DD2
5 V/3 V Operation 0.8 1.0 mA
3 V/5 V Operation 1.2 1.6 mA
10 Mbps (BRWZ Version Only)
V
Supply Current I
DD1
5 V/3 V Operation 8.6 11 mA 5 MHz logic signal frequency
3 V/5 V Operation 3.4 6.5 mA 5 MHz logic signal frequency
V
Supply Current I
DD2
5 V/3 V Operation 1.4 1.8 mA 5 MHz logic signal frequency
3 V/5 V Operation 2.6 3.0 mA 5 MHz logic signal frequency
ADuM1411, Total Supply Current,
Four Channels
1
DC to 2 Mbps
V
Supply Current I
DD1
5 V/3 V Operation 2.2 2.8 mA
3 V/5 V Operation 1.0 1.9 mA
V
Supply Current I
DD2
5 V/3 V Operation 0.9 1.7 mA
3 V/5 V Operation 1.7 2.4 mA
10 Mbps (BRWZ Version Only)
V
Supply Current I
DD1
5 V/3 V Operation 5.4 7.6 mA 5 MHz logic signal frequency
3 V/5 V Operation 3.1 4.5 mA 5 MHz logic signal frequency
≤ 5.5 V, 2.7 V ≤ V
DD1
= 5 V; or V
DD2
I
DDI (Q)
I
DDO (Q)
DD1 (Q)
DD2 (Q)
DD1 (10)
DD2 (10)
DD1 (Q)
DD2 (Q)
DD1 (10)
≤ 3.6 V; 3 V/5 V operation: 2.7 V ≤ V
DD2
= 5 V, V
DD1
= 3.0 V. All voltages are relative to their respective ground.
DD2
≤ 3.6 V, 4.5 V ≤ V
DD1
DD2
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
≤ 5.5 V; all
Rev. I | Page 7 of 24
Page 8
ADuM1410/ADuM1411/ADuM1412 Data Sheet
Parameter Symbol Min Typ Max Unit Test Conditions
V
Supply Current I
DD2
5 V/3 V Operation 2.1 3.0 mA 5 MHz logic signal frequency
3 V/5 V Operation 3.8 5.3 mA 5 MHz logic signal frequency
ADuM1412, Total Supply Current,
Four Channels
1
DC to 2 Mbps
V
Supply Current I
DD1
5 V/3 V Operation 2.0 2.6 mA
3 V/5 V Operation 1.0 1.8 mA
V
Supply Current I
DD2
5 V/3 V Operation 1.0 1.8 mA
3 V/5 V Operation 2.0 2.6 mA
10 Mbps (BRWZ Version Only)
V
Supply Current I
DD1
5 V/3 V Operation 4.6 6.5 mA 5 MHz logic signal frequency
3 V/5 V Operation 2.6 3.8 mA 5 MHz logic signal frequency
V
Supply Current I
DD2
5 V/3 V Operation 2.6 3.8 mA 5 MHz logic signal frequency
3 V/5 V Operation 4.6 6.5 mA 5 MHz logic signal frequency
All Models
Input Currents
Logic High Input Threshold
5 V/3 V Operation 2.0 V
3 V/5 V Operation 1.6 V
Logic Low Input Threshold
5 V/3 V Operation 0.8 V
3 V/5 V Operation 0.4 V
Logic Low Output Voltages
SWITCHING SPECIFICATIONS
ADuM141xARWZ
Minimum Pulse Width2 PW 1000 ns CL = 15 pF, CMOS signal levels
Maximum Data Rate3 1 Mbps CL = 15 pF, CMOS signal levels
Propagation Delay4 t
Pulse Width Distortion, |t
PLH
− t
|4 PWD 40 ns CL = 15 pF, CMOS signal levels
PHL
Propagation Delay Skew5 t
Channel-to-Channel Matching6 t
ADuM141xBRWZ
Minimum Pulse Width2 PW 100 ns CL = 15 pF, CMOS signal levels
Maximum Data Rate3 10 Mbps CL = 15 pF, CMOS signal levels
Propagation Delay4 t
Pulse Width Distortion, |t
PLH
− t
|4 PWD 5 ns CL = 15 pF, CMOS signal levels
PHL
Change vs. Temperature 5 ps/°C CL = 15 pF, CMOS signal levels
Propagation Delay Skew5 t
DD2 (10)
DD1 (Q)
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DD2 (Q)
DC to 1 MHz logic signal
frequency
DC to 1 MHz logic signal
frequency
DD1 (10)
DD2 (10)
, IIB, IIC, IID,
I
IA
, I
I
CTRL1
I
DISABLE
V
IH
V
IL
, V
V
OAH
, V
V
OCH
, V
V
OAL
, V
V
OCL
, t
PHL
50 ns CL = 15 pF, CMOS signal levels
PSK
PSKCD/OD
, t
PHL
30 ns CL = 15 pF, CMOS signal levels
PSK
−10 +0.01 +10 µA
,
CTRL2
0 V ≤ V
0 V ≤ V
0 V ≤ V
,V
IA
CTRL1
DISABLE
, V
,V
≤ V
IB
IC
ID
,V
≤ V
CTRL2
≤ V
DD1
(V
or V
or V
) − 0.1 ( V
DD2
) − 0.4 ( V
DD2
,
OBH
ODH
OBL
ODL
DD1
(V
DD1
0.0 0.1 V IOx = 20 µA, VIx = V
,
0.04 0.1 V IOx = 400 µA, VIx = V
0.2 0.4 V I
25 70 100 ns CL = 15 pF, CMOS signal levels
PLH
DD1
DD1
or V
V IOx = −20 µA, VIx = V
DD2)
or V
) − 0.2 V IOx = −4 mA, VIx = V
DD2
= 4 mA, VIx = V
Ox
IxH
IxH
IxL
IxL
IxL
50 ns CL = 15 pF, CMOS signal levels
25 35 60 ns CL = 15 pF, CMOS signal levels
PLH
DD1
Logic High Output Voltages
DD1
or V
or V
DD2
DD2
,
,
Rev. I | Page 8 of 24
Page 9
Data Sheet ADuM1410/ADuM1411/ADuM1412
Parameter Symbol Min Typ Max Unit Test Conditions
5 ns CL = 15 pF, CMOS signal levels
Channel-to-Channel Matching,
Codirectional Channels
6
Channel-to-Channel Matching,
Opposing-Directional Channels
All Models
Output Rise/Fall Time (10% to 90%) tR/tF C
5 V/3 V Operation 2.5 ns
3 V/5 V Operation 2.5 ns
Common-Mode Transient
Immunity at Logic High Output
Common-Mode Transient
Immunity at Logic Low Output
Refresh Rate fr
5 V/3 V Operation 1.2 Mbps
3 V/5 V Operation 1.1 Mbps
Input Enable Time8 t
Input Disable Time8 t
Input Dynamic Supply Current
per Channel
9
5 V Operation 0.12
3 V Operation 0.07
Output Dynamic Supply Current
per Channel
9
5 V Operation 0.04
3 V Operation 0.02
1
The supply current values for all four channels are combined when running at identical data rates. Output supply current values are specified with no output load
present. The supply current associated with an individual channel operating at a given data rate can be calculated as described in the P section.
See Figure through Figure 10 for information on per-channel supply current as a function of data rate for unloaded and loaded conditions. See Figure through
Figure 15
2
The minimum pulse width is the shortest pulse width at which the specified pulse width distortion is guaranteed.
3
The maximum data rate is the fastest data rate at which the specified pulse width distortion is guaranteed.
4
t
PHL
measured from the 50% level of the rising edge of the V
5
t
PSK
within the recommended operating conditions.
6
Codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of
the isolation barrier. Opposing-directional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channels with
inputs on opposing sides of the isolation barrier.
7
|CMH| is the maximum common-mode voltage slew rate that can be sustained while maintaining VO > 0.8 V
that can be sustained while maintaining V
magnitude is the range over which the common mode is slewed.
8
Input enable time is the duration from when V
transitions. If an input data logic transition within a given channel does occur within this time interval, the output of that channel reaches the correct state within the
much shorter duration as determined by the propagation delay specifications within this data sheet. Input disable time is the duration from when V
until the output states are guaranteed to reach their programmed output levels, as determined by the CTRL2 logic state (see Table 14).
9
Dynamic supply current is the incremental amount of supply current required for a 1 Mbps increase in signal data rate. See through for information
on per-channel supply current for unloaded and loaded conditions. See the section for guidance on calculating the per-channel supply current
for a given data rate.
8
for total V
propagation delay is measured from the 50% level of the falling edge of the VIx signal to the 50% level of the falling edge of the VOx signal. t
is the magnitude of the worst-case difference in t
DD1
and V
supply currents as a function of data rate for ADuM1410/ADuM1411/ADuM1412 channel configurations.
DD2
t
PSKCD
t
6 ns CL = 15 pF, CMOS signal levels
PSKOD
6
= 15 pF, CMOS signal levels
L
| 25 35 kV/µs
|CM
H
7
|CML| 25 35 kV/µs
7
ENABLE
DISABLE
I
DDI (D)
2.0 µs VIA, VIB, VIC, VID = 0 V or V
5.0 µs VIA, VIB, VIC, VID = 0 V or V
mA/
= V
or V
V
Ix
DD1
, VCM = 1000 V,
DD2
transient magnitude = 800 V
= 0 V, VCM = 1000 V, transient
V
Ix
magnitude = 800 V
DD1
DD1
Mbps
mA/
Mbps
I
DDO (D)
mA/
Mbps
mA/
Mbps
ower Consumption
signal to the 50% level of the rising edge of the VOx signal.
Ix
or t
that is measured between units at the same operating temperature, supply voltages, and output load
PHL
PLH
. |CML| is the maximum common-mode voltage slew rate
< 0.8 V. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. The transient
O
is set low until the output states are guaranteed to match the input states in the absence of any input data logic
DISABLE
Power Consumption
DD2
Figure 8
Figure 10
11
propagation delay is
PLH
is set high
DISABLE
Rev. I | Page 9 of 24
Page 10
ADuM1410/ADuM1411/ADuM1412 Data Sheet
PACKAGE CHARACTERISTICS
Table 4.
Parameter Symbol Min Typ Max Unit Test Conditions
Resistance (Input-to-Output)1 R
Capacitance (Input-to-Output)
1
Input Capacitance2 C
10
I-O
C
2.2 pF f = 1 MHz
I-O
4.0 pF
I
IC Junction-to-Case Thermal Resistance
Side 1 θ
Side 2 θ
1
The device is considered a 2-terminal device; Pin 1 through Pin 8 are shorted together, and Pin 9 through Pin 16 are shorted together.
2
Input capacitance is from any input data pin to ground.
33 °C/W
JCI
28 °C/W
JCO
REGULATORY INFORMATION
The ADuM141x have been approved by the organizations listed in Tab l e 5 . See Ta ble 10 and the Insulation Lifetime section for
recommended maximum working voltages for specific cross-isolation waveforms and insulation levels.
Table 5.
UL CSA VDE TÜV
Recognized Under 1577
Component Recognition
Program1
Double/reinforced insulation,
2500 V rms isolation voltage
In accordance with UL 1577, each ADuM141x is proof tested by applying an insulation test voltage ≥3000 V rms for 1 sec (current leakage detection limit = 5 µA).
2
In accordance with DIN V VDE V 0884-10, each ADuM141x is proof tested by applying an insulation test voltage ≥1050 V peak for 1 second (partial discharge detection
limit = 5 pC). The asterisk (*) marked on the component designates DIN V VDE V 0884-10approval.
Approved under CSA
Component Acceptance
Notice #5A
Basic insulation per CSA
60950-1-03 and IEC 60950-1,
800 V rms (1131 V peak)
maximum working voltage.
Reinforced insulation per CSA
60950-1-03 and IEC 60950-1,
400 V rms (566 V peak) maximum working voltage.
12
Ω
Thermocouple located at center of package underside
Certified according to DIN V VDE V
0884-10 (VDE V 0884-10): 2006-12
Approved according to
2
IEC 60950-1:2005 and
EN 60950-1:2006
Reinforced insulation, 560 V peak
3000 V rms reinforced isolation
at a 400 V rms working voltage.
3000 V rms basic isolation at a
600 V rms working voltage.
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 6.
Parameter Symbol Value Unit Conditions
Rated Dielectric Insulation Voltage 2500 V rms 1-minute duration
Minimum External Air Gap (Clearance) L(I01) 7.7 mm min
Minimum External Tracking (Creepage) L(I02) 8.1 mm min
Minimum Internal Gap (Internal Clearance) 0.017 mm min Insulation distance through insulation
Tracking Resistance (Comparative Tracking Index) CTI >175 V DIN IEC 112/VDE 0303 Part 1
Isolation Group IIIa Material Group (DIN VDE 0110, 1/89, Table 1)
Rev. I | Page 10 of 24
Measured from input terminals to output terminals,
shortest distance through air
Measured from input terminals to output terminals,
shortest distance path along body
Page 11
Data Sheet ADuM1410/ADuM1411/ADuM1412
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 INSULATION CHARACTERISTICS
These isolators are suitable for reinforced electrical isolation within the safety limit data only. Maintenance of the safety data is ensured by
protective circuits. The asterisk (*) marked on packages denotes DIN V VDE V 0884-10 approval.
Table 7.
Description Conditions Symbol Characteristic Unit
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 150 V rms I to IV
For Rated Mains Voltage ≤ 300 V rms I to III
For Rated Mains Voltage ≤ 400 V rms I to II
Climatic Classification 40/105/21
Pollution Degree per DIN VDE 0110, Table 1 2
Maximum Working Insulation Voltage V
Input-to-Output Test Voltage, Method B1
× 1.2 = VPR, tm = 60 sec, partial discharge < 5 pC 672 V peak
After Input and/or Safety Test Subgroup 2
V
IORM
and Subgroup 3
Highest Allowable Overvoltage Transient overvoltage, tTR = 10 seconds VTR 4000 V peak
Safety-Limiting Values
Maximum value allowed in the event of a failure;
see Figure 4
Case Temperature TS 150 °C
Side 1 Current IS1 265 mA
Side 2 Current IS2 335 mA
Insulation Resistance at TS VIO = 500 V RS >109 Ω
350
300
RECOMMENDED OPERATING CONDITIONS
Table 8.
Parameter Symbol Min Max Unit
250
SIDE #2
200
Operating Temperature TA −40 +105 °C
Supply Voltages1 V
Input Signal Rise and Fall Times 1.0 ms
150
SIDE #1
100
1
All voltages are relative to their respective ground. See the DC Correctness
and Magnetic Field Immunity section for information on immunity to external
magnetic fields.
560 V peak
IORM
1050 V peak
V
PR
, V
2.7 5.5 V
DD1
DD2
SAFETY-L IMITING CURRENT (mA)
50
0
0
Figure 4. Thermal Derating Curve, Dependence of Safety-Limiting Values
with Case Temperature per DIN V VDE V 0884-10
50100150200
CASE TEMPERAT URE (°C)
06580-007
Rev. I | Page 11 of 24
Page 12
ADuM1410/ADuM1411/ADuM1412 Data Sheet
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 9.
Parameter Rating
Storage Temperature (TST) Range −65°C to +150°C
Ambient Operating Temperature
) Range
(T
A
Supply Voltages (V
Input Voltages (VIA, VIB, VIC, VID, V
, V
V
CTRL2
DISABLE
, V
)1 −0.5 V to +7.0 V
DD1
DD2
1, 2
)
Output Voltages (VOA, VOB, VOC, VOD)
−40°C to +105°C
−0.5 V to V
,
CTRL1
1, 2
−0.5 V to V
+ 0.5 V
DDI
+ 0.5 V
DDO
Average Output Current per Pin3
Side 1 (IO1) −18 mA to +18 mA
Side 2 (IO2) −22 mA to +22 mA
Common-Mode Transients4 −100 kV/s to +100 kV/s
1
All voltages are relative to their respective ground.
2
V
and V
DDI
given channel, respectively. See the PC Board Layout section.
3
See Figure 4 for maximum rated current values for various temperatures.
4
Refers to common-mode transients across the insulation barrier. Common-
mode transients exceeding the absolute maximum ratings may cause
latch-up or permanent damage.
refer to the supply voltages on the input and output sides of a
DDO
Table 10. Maximum Continuous Working Voltage
1
Parameter Max Unit Constraint
AC Voltage, Bipolar Waveform 565 V peak 50-year minimum lifetime
AC Voltage, Unipolar Waveform
Basic Insulation 1131 V peak Maximum approved working voltage per IEC 60950-1
Reinforced Insulation 560 V peak Maximum approved working voltage per IEC 60950-1 and VDE V 0884-10
DC Voltage
Basic Insulation 1131 V peak Maximum approved working voltage per IEC 60950-1
Reinforced Insulation 560 V peak Maximum approved working voltage per IEC 60950-1 and VDE V 0884-10
1
Refers to continuous voltage magnitude imposed across the isolation barrier. See the section for more details. Insulation Lifetime
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
Rev. I | Page 12 of 24
Page 13
Data Sheet ADuM1410/ADuM1411/ADuM1412
*
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
PIN 2 AND PIN 8 ARE I NTERNALLY CONNECTED. CONNE CTING BOT H
IS RECOMME NDE D. PIN 9 AND PIN 15 ARE INTERNALLY
TO GND
1
CONNECTED. CO NNECTING BOT H TO GND
Table 11. ADuM1410 Pin Function Descriptions
Pin No. Mnemonic Description
1 V
DD1
2 GND
1
Supply Voltage for Isolator Side 1 (2.7 V to 5.5 V).
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND1 is
recommended.
3 V
IA
Logic Input A.
4 VIB Logic Input B.
5 VIC Logic Input C.
6 V
ID
7 DISABLE
8 GND1
Logic Input D.
Input Disable. Disables the isolator inputs and halts the dc refresh circuits. Outputs take on the logic state
determined by CTRL
.
2
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND
recommended.
9 GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND
recommended.
10 CTRL2
11 V
OD
Default Output Control. Controls the logic state the outputs assume when the input power is off. V
outputs are high when CTRL2 is high or disconnected and V
V
OD
CTRL
is low and V
2
is off. When V
DD1
Logic Output D.
12 VOC Logic Output C.
13 VOB Logic Output B.
14 VOA Logic Output A.
15 GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND
recommended.
16 V
Supply Voltage for Isolator Side 2 (2.7 V to 5.5 V).
DD2
1
V
DD1
GND1*
2
V
3
IA
ADuM1410
4
V
IB
TOP VIEW
(Not to Scale)
V
5
IC
V
6
ID
DISABLE
GND1*
7
8
Figure 5. ADuM1410 Pin Configuration
power is on, this pin has no effect.
DD1
16
V
DD2
GND2*
15
V
14
OA
13
V
OB
V
12
OC
V
11
OD
CTRL
10
2
9
GND2*
IS RECOMMENDED.
2
DD1
6580-004
is
1
is
2
, VOB, VOC, and
OA
is off. VOA, VOB, VOC, and VOD outputs are low when
is
2
Rev. I | Page 13 of 24
Page 14
ADuM1410/ADuM1411/ADuM1412 Data Sheet
*PIN 2 AND PIN 8 ARE INTERNALLY CO NNE CTED. CONNECTING BOTH
IS RECOMME NDE D. PIN 9 AND PIN 15 ARE INTERNALLY
TO GND
1
CONNECTED. CO NNE CTING BOT H TO GND
Table 12. ADuM1411 Pin Function Descriptions
Pin No. Mnemonic Description
1 V
DD1
2 GND
1
Supply Voltage for Isolator Side 1 (2.7 V to 5.5 V).
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND1 is
recommended.
3 V
IA
Logic Input A.
4 VIB Logic Input B.
5 VIC Logic Input C.
6 V
OD
7 CTRL1
Logic Output D.
Default Output Control. Controls the logic state the outputs assume when the input power is off. V
when CTRL
is high or disconnected and V
1
power is on, this pin has no effect.
8 GND1
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND
recommended.
9 GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND
recommended.
10 CTRL2
Default Output Control. Controls the logic state the outputs assume when the input power is off. V
outputs are high when CTRL
is off. When V
DD1
11 V
low and V
ID
Logic Input D.
12 VOC Logic Output C.
13 VOB Logic Output B.
14 VOA Logic Output A.
15 GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND
recommended.
16 V
Supply Voltage for Isolator Side 2 (2.7 V to 5.5 V).
DD2
1
V
DD1
2
GND1*
V
3
IA
ADuM1411
V
4
IB
TOP VIEW
(Not to Scale)
5
V
IC
V
6
OD
CTRL
7
1
8
GND1*
Figure 6. ADuM1411 Pin Configuration
DD2
is high or disconnected and V
2
power is on, this pin has no effect.
DD1
16
V
DD2
15
GND2*
V
14
OA
V
13
OB
12
V
OC
V
11
ID
CTRL
10
2
9
GND2*
IS RECOMMENDED.
2
06580-005
is off. VOD output is low when CTRL1 is low and V
is off. VOA, VOB, and VOC outputs are low when CTRL2 is
DD1
output is high
OD
is off. When V
DD2
, VOB, and VOC
OA
DD2
is
1
is
2
is
2
Rev. I | Page 14 of 24
Page 15
Data Sheet ADuM1410/ADuM1411/ADuM1412
*PIN 2 AND PIN 8 ARE INT E RNALLY CONNECTE D. CONNECTING BOTH
IS RECOMM ENDE D. PIN 9 AND PIN 15 ARE INTERNALLY
TO GND
1
CONNECTED. CO NNE CTING BOT H TO GND
Table 13. ADuM1412 Pin Function Descriptions
Pin No. Mnemonic Description
1 V
DD1
2 GND
1
Supply Voltage for Isolator Side 1 (2.7 V to 5.5 V).
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND1 is
recommended.
3 V
IA
Logic Input A.
4 VIB Logic Input B.
5 VOC Logic Output C.
6 V
OD
7 CTRL1
Logic Output D.
Default Output Control. Controls the logic state the outputs assume when the input power is off. V
outputs are high when CTRL
8 GND1
and V
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND
is off. When V
DD2
power is on, this pin has no effect.
DD2
recommended.
9 GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND
recommended.
10 CTRL2
Default Output Control. Controls the logic state the outputs assume when the input power is off. V
outputs are high when CTRL
11 V
and V
ID
Logic Input D.
is off. When V
DD1
power is on, this pin has no effect.
DD1
12 VIC Logic Input C.
13 VOB Logic Output B.
14 VOA Logic Output A.
15 GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND
recommended.
16 V
Supply Voltage for Isolator Side 2 (2.7 V to 5.5 V).
DD2
1
V
DD1
GND1*
2
V
3
IA
ADuM1412
4
V
IB
TOP VIEW
(Not to S cale)
V
5
OC
V
6
OD
CTRL
7
1
8
GND1*
Figure 7. ADuM1412 Pin Configuration
is high or disconnected and V
1
is high or disconnected and V
2
16
V
DD2
GND2*
15
V
14
OA
13
V
OB
V
12
IC
V
11
ID
CTRL
10
2
9
GND2*
IS RECOMMENDE D.
2
is off. VOC and VOD outputs are low when CTRL1 is low
DD2
is off. VOA and VOB outputs are low when CTRL2 is low
DD1
6580-006
and VOD
OC
is
1
is
2
and VOB
OA
is
2
Rev. I | Page 15 of 24
Page 16
ADuM1410/ADuM1411/ADuM1412 Data Sheet
Table 14. Truth Table (Positive Logic)
VIx
Input1
CTRL
Input
H X L or NC Powered Powered H Normal operation, data is high.
L X L or NC Powered Powered L Normal operation, data is low.
X H or NC H X Powered H
X L H X Powered L
X H or NC X Unpowered Powered H
X L X Unpowered Powered L
X X X Powered Unpowered Z
1
VIx and VOx refer to the input and output signals of a given channel (A, B, C, or D).
2
CTRLX refers to the default output control signal on the input side of a given channel (A, B, C, or D).
3
Available only on the ADuM1410.
4
V
refers to the power supply on the input side of a given channel (A, B, C, or D).
DDI
5
V
refers to the power supply on the output side of a given channel (A, B, C, or D).
DDO
V
X
DISABLE
2
State
V
DDI
3
State
4
V
DDO
State
5
V
Ox
Output
1
Description
Inputs disabled. Outputs are in the default state as determined
by CTRLX.
Inputs disabled. Outputs are in the default state as determined
by CTRL
.
X
Input unpowered. Outputs are in the default state as determined
by CTRL
Outputs return to input state within 1 µs of V
.
X
power restoration.
DDI
See the pin function descriptions (Tabl e 11, Table 12, and Tabl e 13)
for more details.
Input unpowered. Outputs are in the default state as determined
by CTRL
Outputs return to input state within 1 µs of V
.
X
power restoration.
DDI
See the pin function descriptions (Tabl e 11, Table 12, and Tabl e 13)
for more details.
Output unpowered. Output pins are in high impedance state.
Outputs return to input state within 1 µs of V
power restoration.
DDO
See the pin function descriptions (Tabl e 11, Table 12, and Tabl e 13)
for more details.
Rev. I | Page 16 of 24
Page 17
Data Sheet ADuM1410/ADuM1411/ADuM1412
TYPICAL PERFORMANCE CHARACTERISTICS
2.0
10
1.5
1.0
0.5
CURRENT/CHANNEL (mA)
0
0
268410
5V
3V
DATA RATE (Mb p s)
Figure 8. Typical Supply Current per Input Channel vs. Data Rate
for 5 V and 3 V Operation
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
CURRENT/CHANNEL (mA)
0.2
0.1
0
0
268410
5V
3V
DATA RATE (Mb p s)
Figure 9. Typical Supply Current per Output Channel vs. Data Rate
for 5 V and 3 V Operation (No Output Load)
8
6
4
CURRENT (mA)
2
0
0
06580-008
26841
Figure 11. Typical ADuM1410 V
5V
3V
DATA RATE (Mb p s)
Supply Current vs. Data Rate
DD1
0
06580-011
for 5 V and 3 V Operation
10
8
6
4
CURRENT (mA)
2
0
0
06580-009
26841
Figure 12. Typical ADuM1410 V
5V
3V
DATA RATE (Mb p s)
Supply Current vs. Data Rate
DD2
0
06580-012
for 5 V and 3 V Operation
1.4
1.2
1.0
0.8
0.6
0.4
CURRENT/CHANNEL (mA)
0.2
0
0
26841
5V
3V
0
DATA RATE (Mb p s)
Figure 10. Typical Supply Current per Output Channel vs. Data Rate
for 5 V and 3 V Operation (15 pF Output Load)
06580-010
Rev. I | Page 17 of 24
10
8
6
4
CURRENT (mA)
2
0
0
26841
DATA RATE (Mb p s)
Figure 13. Typical ADuM1411 V
for 5 V and 3 V Operation
5V
3V
Supply Current vs. Data Rate
DD1
0
06580-013
Page 18
ADuM1410/ADuM1411/ADuM1412 Data Sheet
10
10
8
6
4
CURRENT (mA)
2
0
0
Figure 14. Typical ADuM1411 V
8
6
4
5V
3V
26841
DATA RATE (Mb p s)
Supply Current vs. Data Rate
DD2
0
06580-014
CURRENT (mA)
2
0
Figure 15. Typical ADuM1412 V
for 5 V and 3 V Operation
5V
3V
0
26841
DATA RATE (Mb p s)
or V
DD1
Supply Current vs. Data Rate
DD2
0
06580-015
for 5 V and 3 V Operation
Rev. I | Page 18 of 24
Page 19
Data Sheet ADuM1410/ADuM1411/ADuM1412
V
APPLICATIONS INFORMATION
PC BOARD LAYOUT
The ADuM141x digital isolator requires no external interface
circuitry for the logic interfaces. Power supply bypassing is
strongly recommended at the input and output supply pins
(see Figure 16). Bypass capacitors are most conveniently connected between Pin 1 and Pin 2 for V
and Pin 16 for V
. The capacitor value should be between
DD2
, and between Pin 15
DD1
0.01 μF and 0.1 μF. The total lead length between both ends of
the capacitor and the input power supply pin should not exceed
20 mm. Bypassing between Pin 1 and Pin 8 and between Pin 9
and Pin 16 should also be considered unless both ground pins
on each package are connected together close to the package.
In applications involving high common-mode transients, it
is important to minimize board coupling across the isolation
barrier. Furthermore, users should design the board layout
so that any coupling that does occur equally affects all pins
on a given component side. Failure to ensure this can cause
voltage differentials between pins exceeding the absolute
maximum ratings of the device, thereby leading to latch-up
or permanent damage. See the AN-1109 Application Note for
board layout guidelines.
PROPAGATION DELAY-RELATED PARAMETERS
Propagation delay is a parameter that describes the time it takes
a logic signal to propagate through a component. The input-tooutput propagation delay time for a high-to-low transition may
differ from the propagation delay time of a low-to-high transition.
INPUT (
)
Ix
OUTPUT (V
t
PLH
)
Ox
t
PHL
Figure 17. Propagation Delay Parameters
Pulse width distortion is the maximum difference between
these two propagation delay values and an indication of how
accurately the timing of the input signal is preserved.
Channel-to-channel matching refers to the maximum amount
the propagation delay differs between channels within a single
ADuM141x component.
Propagation delay skew refers to the maximum amount the
propagation delay differs between multiple ADuM141x
components operating under the same conditions.
50%
50%
Rev. I | Page 19 of 24
06580-017
DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY
Positive and negative logic transitions at the isolator input
cause narrow (~1 ns) pulses to be sent to the decoder using the
transformer. The decoder is bistable and is, therefore, either set
or reset by the pulses, indicating input logic transitions. In the
absence of logic transitions at the input for more than ~1 μs, a
periodic set of refresh pulses indicative of the correct input state
is sent to ensure dc correctness at the output. If the decoder
receives no internal pulses of more than approximately 5 μs, the
input side is assumed to be unpowered or nonfunctional, in
which case the isolator output is forced to a default state (see
Table 14) by the watchdog timer circuit.
The magnetic field immunity of the ADuM141x is determined
by the changing magnetic field, which induces a voltage in the
transformer’s receiving coil large enough to either falsely set or
reset the decoder. The following analysis defines the conditions
under which this can occur. The 3 V operating condition of the
ADuM141x is examined because it represents the most susceptible mode of operation.
The pulses at the transformer output have an amplitude greater
than 1.0 V. The decoder has a sensing threshold at about 0.5 V, thus
establishing a 0.5 V margin in which induced voltages can be
tolerated. The voltage induced across the receiving coil is given by
V = (−dβ/dt) ∑ π r
where:
β is magnetic flux density (gauss).
is the radius of the nth turn in the receiving coil (cm).
r
n
N is the number of turns in the receiving coil.
Given the geometry of the receiving coil in the ADuM141x and
an imposed requirement that the induced voltage be, at most,
50% of the 0.5 V margin at the decoder, a maximum allowable
magnetic field at a given frequency can be calculated. The result
is shown in Figure 18.
100
10
1
0.1
DENSITY (kgauss)
0.01
MAXIMUM ALLOWABLE MAGNETIC FL UX
0.001
1k10k10M
Figure 18. Maximum Allowable External Magnetic Flux Density
2
; n = 1, 2, … , N
n
MAGNETIC FIELD FREQUENCY (Hz)
1M
100M100k
06580-018
Page 20
ADuM1410/ADuM1411/ADuM1412 Data Sheet
For example, at a magnetic field frequency of 1 MHz, the
maximum allowable magnetic field of 0.2 kgauss induces a
voltage of 0.25 V at the receiving coil. This is about 50% of the
sensing threshold and does not cause a faulty output transition.
Similarly, if such an event occurred during a transmitted pulse
(and had the worst-case polarity), it would reduce the received
pulse from >1.0 V to 0.75 V, still well above the 0.5 V sensing
threshold of the decoder.
The preceding magnetic flux density values correspond to
specific current magnitudes at given distances from the
ADuM141x transformers. Figure 19 shows these allowable
current magnitudes as a function of frequency for selected
distances. As shown, the ADuM141x is extremely immune and
can be affected only by extremely large currents operated at
high frequency very close to the component. For the 1 MHz
example noted previously, a 0.5 kA current would have to be
placed 5 mm away from the ADuM141x to affect the operation
of the component.
1000
DISTANCE = 1m
100
10
DISTANCE = 100mm
1
DISTANCE = 5mm
0.1
MAXIMUM ALL OWABLE CURRENT ( kA)
0.01
1k10k100M100k1M10M
MAGNETIC FIELD FREQUENCY (Hz)
Figure 19. Maximum Allowable Current for Various
Current-to-ADuM141x Spacings
06580-019
Note that at combinations of strong magnetic field and high
frequency, any loops formed by printed circuit board traces can
induce error voltages sufficiently large enough to trigger the
thresholds of succeeding circuitry. Care should be taken in the
layout of such traces to avoid this possibility.
POWER CONSUMPTION
The supply current at a given channel of the ADuM141x
isolator is a function of the supply voltage, the data rate of the
channel, and the output load of the channel.
For each input channel, the supply current is given by
= I
I
DDI
DDI (Q)
I
DDI
= I
× (2f − fr) + I
DDI (D)
DDI (Q)
f ≤ 0.5 fr
f > 0.5 fr
For each output channel, the supply current is given by
I
I
DDO
DDO
= I
= (I
f ≤ 0.5 fr
DDO (Q)
+ (0.5 × 10−3) × CL × V
DDO (D)
) × (2f − fr) + I
DDO
DDO (Q)
f > 0.5 fr
where:
I
, I
DDI (D)
are the input and output dynamic supply currents
DDO (D)
per channel (mA/Mbps).
C
is the output load capacitance (pF).
L
V
is the output supply voltage (V).
DDO
f is the input logic signal frequency (MHz); it is half the input
data rate, expressed in units of Mbps.
f
is the input stage refresh rate (Mbps).
r
, I
I
DDI (Q)
are the specified input and output quiescent
DDO (Q)
supply currents (mA).
To calculate the total V
DD1
and V
supply current, the supply
DD2
currents for each input and output channel corresponding to
V
DD1
and V
are calculated and totaled. Figure 8 and Figure 9
DD2
show per-channel supply currents as a function of data rate for
an unloaded output condition. Figure 10 shows the per-channel
supply current as a function of data rate for a 15 pF output
condition. Figure 11 through Figure 15 show the total V
V
supply current as a function of data rate for ADuM1410/
DD2
DD1
and
ADuM1411/ADuM1412 channel configurations.
INSULATION LIFETIME
All insulation structures eventually break down when subjected
to voltage stress over a sufficiently long period. The rate of
insulation degradation is dependent on the characteristics of the
voltage waveform applied across the insulation. In addition to
the testing performed by the regulatory agencies, Analog
Devices carries out an extensive set of evaluations to determine
the lifetime of the insulation structure within the ADuM141x.
Rev. I | Page 20 of 24
Page 21
Data Sheet ADuM1410/ADuM1411/ADuM1412
Analog Devices performs accelerated life testing using voltage
levels higher than the rated continuous working voltage.
Acceleration factors for several operating conditions are
determined. These factors allow calculation of the time to
failure at the actual working voltage. The values shown in
Tabl e 10 summarize the peak voltage for 50 years of service life
for a bipolar ac operating condition and the maximum
CSA/VDE approved working voltages. In many cases, the
approved working voltage is higher than 50-year service life
voltage. Operation at these high working voltages can lead to
shortened insulation life in some cases.
The insulation lifetime of the ADuM141x depends on the
voltage waveform type imposed across the isolation barrier. The
iCoupler insulation structure degrades at different rates
depending on whether the waveform is bipolar ac, unipolar ac,
or dc. Figure 20, Figure 21, and Figure 22 illustrate these
different isolation voltage waveforms.
Bipolar ac voltage is the most stringent environment. The goal
of a 50-year operating lifetime under the ac bipolar condition
determines the Analog Devices recommended maximum
working voltage.
In the case of unipolar ac or dc voltage, the stress on the
insulation is significantly lower. This allows operation at higher
working voltages while still achieving a 50-year service life. The
working voltages listed in Table 1 0 can be applied while
maintaining the 50-year minimum lifetime provided the voltage
conforms to either the unipolar ac or dc voltage case. Any crossinsulation voltage waveform that does not conform to Figure 21
or Figure 22 should be treated as a bipolar ac waveform, and its
peak voltage should be limited to the 50-year lifetime voltage
value listed in Table 1 0.
Note that the voltage presented in Figure 21 is shown as
sinusoidal for illustration purposes only. It is meant to represent
any voltage waveform varying between 0 V and some limiting
value. The limiting value can be positive or negative, but the
voltage cannot cross 0 V.
RATED PEAK VOL TAGE
0V
Figure 20. Bipolar AC Waveform
06580-020
RATED PEAK VOL TAGE
0V
Figure 21. Unipolar AC Waveform
06580-021
RATED PEAK VOL TAGE
0V
Figure 22. DC Waveform
06580-022
Rev. I | Page 21 of 24
Page 22
ADuM1410/ADuM1411/ADuM1412 Data Sheet
C
OUTLINE DIMENSIONS
10.50 (0.4134)
10.10 (0.3976)
BSC
9
7.60 (0.2992)
7.40 (0.2913)
8
10.65 (0.4193)
10.00 (0.3937)
2.65 (0.1043)
2.35 (0.0925)
SEATING
PLANE
8°
0°
0.33 (0.0130)
0.20 (0.0079)
0
0
.
7
.
2
(
5
0
(
0
5
.
0
2
9
5
)
.
0
0
9
8
)
1.27 (0.0500)
0.40 (0.0157)
45°
03-27-2007-B
0.30 (0.0118)
0.10 (0.0039)
OPLANARITY
0.10
16
1
1.27 (0.0500)
0.51 (0.0201)
0.31 (0.0122)
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLYAND ARE NOT APPROPRIATE FOR USE IN DESIGN.
COMPLIANT TO JEDEC STANDARDS MS-013-AA
Figure 23. 16-Lead Standard Small Outline Package [SOIC_W]