• 1000 V/µs Minimum
Common Mode Rejection
(CMR) at VCM = 50 V (HCPL261A Family) and 15 kV/µs
Minimum CMR at VCM =
1000 V (HCPL-261N Family)
• High Speed: 10 MBd Typical
• AC and DC Performance
Specified over Industrial
Temperature Range -40°C to
+85°C
• Available in 8 Pin DIP,
SOIC-8 Packages
• Safety Approval
UL Recognized per UL1577
2500 V rms for 1 minute and
5000 V rms for 1 minute
(Option 020)
CSA Approved
VDE 0884 Approved with
V
= 630 V peak for
IORM
HCPL-261A/261N
Option 060
• Computer-Peripheral
Interface
• Digital Isolation for A/D,
D/A Conversion
• Switching Power Supplies
• Instrumentation
Input/Output Isolation
• Ground Loop Elimination
• Pulse Transformer
Replacement
Description
The HCPL-261A family of optically
coupled gates shown on this data
sheet provide all the benefits of the
industry standard 6N137 family
with the added benefit of HCMOS
Functional Diagram
HCPL-261A/261N
HCPL-061A/061N
NC
ANODE
CATHODE
NC
1
2
3
4
SHIELDSHIELD
V
8
CC
V
7
E
V
6
O
GND
5
compatible input current. This
allows direct interface to all
common circuit topologies without
additional LED buffer or drive
components. The AlGaAs LED
used allows lower drive currents
and reduces degradation by using
the latest LED technology. On the
single channel parts, an enable
output allows the detector to be
strobed. The output of the detector
IC is an open collector schottkyclamped transistor. The internal
shield provides a minimum
common mode transient immunity
of 1000 V/µs for the HCPL-261A
family and 15000 V/µs for the
HCPL-261N family.
ANODE
CATHODE
CATHODE
ANODE
Applications
• Low Input Current (3.0 mA)
HCMOS Compatible Version
of 6N137 Optocoupler
• Isolated Line Receiver
• Simplex/Multiplex Data
Transmission
The connection of a 0.1 µF bypass capacitor between pins 5 and 8 is required.
TRUTH TABLE
(POSITIVE LOGIC)
ENABLE
LED
ON
OFF
ON
OFF
ON
OFF
H
H
L
L
NC
NC
OUTPUT
L
H
H
H
L
H
HCPL-263A/263N
HCPL-063A/063N
1
1
2
1
3
2
4
2
TRUTH TABLE
(POSITIVE LOGIC)
LED
ON
OFF
OUTPUT
L
H
V
8
CC
V
7
O1
V
6
O2
GND
5
CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to
prevent damage and/or degradation which may be induced by ESD.
1. Technical data are on separate HP publications.
2. 15 kV/µs with VCM = 1 kV can be achieved using HP application circuit.
3. Enable is available for single channel products only, except for HCPL-193X devices.
OPTOCOUPLERS
[1]
[1]
[1]
Ordering Information
Specify Part Number followed by Option Number (if desired).
Example:
HCPL-261A#XXX
020 = 5000 V rms/1 minute UL Rating Option*
060 = VDE 0884 V
300 = Gull Wing Surface Mount Option***
500 = Tape and Reel Packaging Option
Option data sheets available. Contact your Hewlett-Packard sales representative or authorized distributor for
information.
*For HCPL-261A/261N/263A/263N (8-pin DIP products) only.
**For HCPL-261A/261N only. Combination of Option 020 and Option 060 is not available.
***Gull wing surface mount option applies to through hole parts only.
Schematic
HCPL-261A/261N
I
F
2+
V
F
–
3
USE OF A 0.1 µF BYPASS CAPACITOR CONNECTED
BETWEEN PINS 5 AND 8 IS RECOMMENDED (SEE NOTE 16).
Isolation GroupIIIaIIIaMaterial Group (DIN VDE 0110, 1/89,
Table 1)
Option 300 – surface mount classification is Class A in accordance with CECC 00802.
VDE 0884 Insulation Related Characteristics
(HCPL-261A/261N Option 060 ONLY)
DescriptionSymbolCharacteristicUnits
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage ≤ 300 V rmsI-IV
for rated mains voltage ≤ 450 V rmsI-III
Climatic Classification55/85/21
Pollution Degree (DIN VDE 0110/1.89)2
Maximum Working Insulation VoltageV
IORM
630V
Input to Output Test Voltage, Method b*
V
x 1.875 = VPR, 100% Production Test with tm = 1 sec,V
IORM
PR
1181V
Partial Discharge < 5 pC
Input to Output Test Voltage, Method a*
V
x 1.5 = VPR, Type and sample test, tm = 60 sec,V
IORM
PR
945V
Partial Discharge < 5 pC
Highest Allowable Overvoltage*
(Transient Overvoltage, t
= 10 sec)V
ini
IOTM
6000V
Safety Limiting Values
(Maximum values allowed in the event of a failure,
also see Figure 18, Thermal Derating curve.)
Case TemperatureT
Input CurrentI
Output PowerP
Insulation Resistance at TS, VIO = 500 VR
*Refer to the front of the optocoupler section of the current catalog, under Product Safety Regulations section (VDE 0884), for a
detailed description.
Note: Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits in
application.
S
S,INPUT
S,OUTPUT
S
175°C
230mA
600mW
9
≥ 10
peak
peak
peak
peak
Ω
1-170
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