MAXIM MAX4575, MAX4576, MAX4577 User Manual

General Description
The MAX4575/MAX4576/MAX4577 are low-voltage, high electrostatic discharge (ESD)-protected, dual sin­gle-pole/single-throw (SPST) analog switches. The nor­mally closed (NO) and normally open (NC) pins are protected against ±15kV ESD without latchup or dam­age. Each switch can handle Rail-to-Rail®analog sig­nals. Off-leakage current is 0.5nA at +25°C. These analog switches are suitable for low-distortion audio applications and are the preferred solution over mechanical relays in automated test equipment or applications where current switching is required. They have low power requirements (0.5µW), require less board space, and are more reliable than mechanical relays. Each device is controlled by TTL/CMOS input voltage levels and is bilateral.
These switches feature guaranteed operation from a single supply of +2V to +12V, making them ideal for use in battery-powered applications. On-resistance is 70(max), matched between switches to 0.5(typ) and flat (2typ) over the specified signal range.
The MAX4575 has two NO switches, the MAX4576 has two NC switches, and the MAX4577 has one NO and one NC switch. These devices are available in 8-pin µMAX and SO packages.
Applications
Battery-Powered Systems
Audio and Video Signal Routing
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Communications Circuits
Relay Replacement
____________________________Features
ESD-Protected NO/NC Pins
±15kV (Human Body Model) ±15kV (IEC 1000-4-2 Air-Gap Discharge) ±8kV (IEC 1000-4-2 Contact Discharge)
Pin Compatible with MAX4541/MAX4542/MAX4543
Guaranteed On-Resistance
70(max) at +5V 150(max) at +3V
On-Resistance Flatness
2(typ) at +5V 6(typ) at +3V
On-Resistance Matching
0.5(typ) at +5V
0.6(typ) at +3V
Guaranteed 0.5nA Leakage Current at T
A
= +25°C
+2V to +12V Single-Supply Voltage
TTL/CMOS-Logic Compatible
Low Distortion: 0.015%
-3dB Bandwidth >300MHz
Rail-to-Rail Signal Range
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST,
CMOS Analog Switches
________________________________________________________________ Maxim Integrated Products 1
19-1762; Rev 0; 7/00
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Ordering Information
Pin Configurations/
Functional Diagrams/Truth Tables
Pin Configurations/Functional Diagrams/Truth Tables continued at end of data sheet.
PART TEMP. RANGE PIN-PACKAGE
MAX4575 EUA -40°C to +85°C 8 µMAX
MAX4575ESA -40°C to +85°C 8 SO
MAX4576 EUA -40°C to +85°C 8 µMAX
MAX4576ESA -40°C to +85°C 8 SO
MAX4577 EUA -40°C to +85°C 8 µMAX
MAX4577ESA -40°C to +85°C 8 SO
TOP VIEW
MAX4575
OFF
ON
8
V+
7
IN1
6
COM2
5
NO2
1
NO1
2
COM1
IN2
3
GND
4
SO/µMAX
MAX4575
LOGIC SWITCH
0 1
SWITCHES SHOWN FOR LOGIC "0" INPUT
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICSSINGLE +5V SUPPLY
(V+ = +4.5V to +5.5V, VIH= 2.4V, VIL= 0.8V, TA= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at V+ = +5V,
T
A
= +25°C.) (Note 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
V+ to GND ..............................................................-0.3V to +13V
IN_, COM_, NO_, NC_ to GND (Note 1).......-0.3V to (V+ + 0.3V)
Continuous Current (NO_, NC_, COM).............................±10mA
Peak Current (NO_, NC_, COM_; pulsed at 1ms 10% duty
cycle) ................................................................................±30mA
ESD Protection per Method IEC 1000-4-2 (NO_, NC_)
Air-Gap Discharge .........................................................±15kV
Contact Discharge ...........................................................±8kV
ESD Protection per Method 3015.7
NO_, NC_ ...........................................................................±15kV
V+, GND, IN_, COM_ ........................................................±2.5kV
Continuous Power Dissipation (T
A
= +70°C)
8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW
8-Pin SO (derate 8mW/°C above +70°C).....................640mW
Operating Temperature Range
MAX457_E_A ................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Maximum Die Temperature..............................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
)
)
Note 1: Signals on NO_, NC_, COM_, or IN_ exceeding V+ or GND are clamped by internal diodes. Limit forward current to maximum
current rating.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ANALOG SWITCH
,
V
COM_
,
Input Voltage Range
On-Resistance R
V
V
NO_
NC_
ON
V+ = +4.5V, I
COM_
V
NO_
= 1mA,
or V
NC_
= 3.5V
TA = +25°C4570
= T
T
A
MIN
to T
MAX
0V+V
75
On-Resistance Match Between Channels (Note 3)
On-Resistance Flatness (Note 4) R
Off-Leakage Current (NO_ or NC_) (Note 5)
COM_ Off-Leakage Current (Note 5)
COM_ On-Leakage Current (Note 5)
R
ON
FLAT(ON
, I
I
NO_
NC_
I
C OM _( OFF)
I
COM_(ON
V+ = +4.5V, I
= 1mA,
COM_
or V
V
NO_
V + = + 4.5V , I V
N O_
or V
NC_
N C _
C OM _
= 1V ,
2.25V , 3.5V
V + = 5.5V
_ = 1V , 4.5V
V
C OM
V
_ or V
N O
_ = 4.5V , 1V
N C
V + = 5.5V V
_ = 1V , 4.5V
C OM
_ or V
V
N O
_ = 4.5V , 1V
N C
V+ = 5.5V V
_ = 1V, 4.5V
COM
_ or VNC_ = 1V,
V
NO
4.5V or floating
= 3.5V
= 1m A,
TA = +25°C 0.5 2
= T
T
A
MIN
to T
MAX
TA = +25°C24
T
A
= T
MIN
to T
MAX
TA = +25°C -0.5 0.01 0.5
= T
M IN
to T
M AX
T
A
-5 5
TA = +25°C -0.5 0.01 0.5
= T
M IN
to T
M AX
T
A
-5 5
TA = +25°C -1 0.02 1
T
= T
M IN
to T
M AX
A
-10 10
3
5
nA
nA
nA
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST,
CMOS Analog Switches
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICSSINGLE +5V SUPPLY (continued)
(V+ = +4.5V to +5.5V, VIH= 2.4V, VIL= 0.8V, TA= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at V+ = +5V,
T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LOGIC INPUT
IN_ Input High V
IN_ Input Low V
Logic Input Leakage I
IH
IL
IN
VIN = 0 or V+ -1 1 µA
SWITCH DYNAMIC
V
Turn-On Time
Turn-Off Time
t
t
OFF
ON
Break-Before-Make (MAX4577 only)
On-Channel Bandwidth -3dB BW
Charge Injection Q V
NO_ or NC_ Off-Capacitance C
COM_ Off-Capacitance C
COM_ On-Capacitance C
Off-Isolation (Note 7) V
Crosstalk (Note 8) V
OFF
C OM ( OFF) VC OM
C OM ( ON )
ISO
CT
COM
R
= 300, CL = 35pF,
L
Figure 1
V
COM
= 300, CL = 35pF,
R
L
Figure 1
V
COM
= 300, CL = 35pF
R
L
S i g nal = 0d Bm , R Fi g ur e 2
GE N
VNO_ = VNC_ = GND, f = 1MHz, Figure 4
V
C OM
RL = 5 0Ω , C L = 5 p F , f = 1M H z , Fi g ur e 2 -75
RL = 5 0Ω , C L = 5 p F , f = 10 M H z, Fi g u r e 2 -45
RL = 5 0Ω , C L = 5 p F , f = 1M H z , Fi g ur e 6 -90
RL = 5 0Ω , C L = 5 p F , f = 10 M H z, Fi g u r e 6 -70
Total Harmonic Distortion THD RL = 6 00 Ω , f = 2 0H z to 20 kH z 0.015 %
ESD SCR Holding Current I
ESD SCR Holding Voltage V
H
H
POWER SUPPLY
Power-Supply Range V+ 2 12 V
Positive Supply Current I+
V+ = 5.5V,
= 0 or V+
V
IN
2.4 V
0.8 V
_ = 3V,
_ = 3V,
_ = 3V,
= R
I N
= 2V , C L = 1.0nF, R
TA = +25°C 90 150
= T
M IN
to T
M AX
T
A
180
TA = +25°C5080
T
= T
M IN
to T
M AX
A
100
TA = +25°C545
T
= T
A
= 50Ω , C L = 5p F,
OU T
GE N
to T
M IN
M AX
= 0, Fi g ur e 3 4 pC
4
300 MHz
20 pF
_ = GND, f = 1MHz, Figure 4 12 pF
_ = VNO_, VNC_ = GND, f = 1MHz,
20 pF
110 mA
3V
TA = +25°C1
T
= T
M IN
to T
M AX
A
10
ns
ns
ns
dB
dB
µA
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICSSINGLE +3V SUPPLY
(V+ = +2.7V to +3.6V, VIH= 2.0V, VIL= 0.6V, TA= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at TA= +25°C.) (Note 2)
)
,
,
Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value is a maximum, is used
in this data sheet.
Note 3: ∆R
ON
= R
ON(MAX)
- R
ON(MIN)
.
Note 4: Flatness is defined as the difference between the maximum and the minimum values of on-resistance as measured over
the specified analog signal ranges.
Note 5: Leakage parameters are 100% tested at T
A(MAX
), and guaranteed by correlation at +25°C.
Note 6: Off-Isolation = 20log
10(VCOM
/ VNO), V
COM
= output, VNO= input to off switch.
Note 7: Between any two switches. Note 8: Guaranteed by design.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ANALOG SWITCH
,
V
COM_
Input Voltage Range
V
V
NO_
NC_
,
0V+V
On-Resistance R
On-Resistance Match Between Channels (Notes 3, 8)
On-Resistance Flatness (Notes 4, 8)
R
R
FLAT(ON
ON
ON
V+ = 2.7V;
= 1mA;
I
COM_
V
or V
N O_
V + = 2.7V ; I V
or V
N O_
V + = 2.7V ; I
or V
V
N O_
1.5V , 2.2V
N C _
C OM _
N C _
C OM _
N C _
= 1.5V
= 1m A;
= 1.5V
= 1m A;
= 0.5V ,
TA = +25°C 70 120
= T
MIN
to T
MAX
T
A
TA = +25°C 0.6 3
T
= T
MIN
to T
MAX
A
TA = +25°C612
T
= T
MIN
to T
MAX
A
LOGIC INPUT
IN_ Input High V
IN_ Input Low V
Logic Input Leakage Current I
IH
IL
IN
VIN = 0 or V+ -1 1 µA
2.0 V
SWITCH DYNAMIC CHARACTERISTICS
V
_ = 1.5V,
Turn-On Time t
ON
COM
L = 300
R
CL = 35pF
Figure 1
Turn-Off Time t
OFF
V
_ = 1.5V,
COM
= 300, CL = 35pF,
R
L
Figure 1
Break-Before-Make (MAX4577 only)
Charge Injection Q
ESD SCR Holding Current I
ESD SCR Holding Voltage V
V
_ = 1.5V,
COM
R
= 300, CL = 35pF
L
V
= 1.5V, CL = 1.0nF, R
GEN
Figure 3
H
H
TA = +25°C 150 250
= T
MIN
to T
MAX
T
A
TA = +25°C 60 100
= T
MIN
to T
MAX
T
A
TA = +25°C5
T
= T
A
GEN
MIN
= 0,
to T
MAX
4
5pC
110 mA
3V
POWER SUPPLY
Power-Supply Range V+ 2 12 V
Positive Supply Current I+
V+ = 3.6V,
= 0 or V+
V
IN
TA = +25°C1
T
= T
MIN
to T
MAX
A
150
4
15
0.6 V
300
150
10
ns
ns
ns
µA
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST,
CMOS Analog Switches
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(V+ = 5V, TA = +25°C, unless otherwise specified.)
0
40
20
80
60
100
120
160
140
180
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
ON-RESISTANCE vs. V
COM
AND
SUPPLY VOLTAGE
MAX4575-01
V
COM
(V)
R
ON
()
V+ = 1.8V
V+ = 2.5V
V+ = 3.3V
V+ = 5V
0
10
30
20
40
50
60
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
ON-RESISTANCE vs. V
COM
AND TEMPERATURE
MAX4575-02
V
COM
(V)
R
ON
()
TA = +85°C
TA = +25°C
TA = -40°C
1
-40 85603510-15
ON/OFF-LEAKAGE CURRENT
vs. TEMPERATURE
1000
10
100
MAX4575-03
TEMPERATURE (°C)
LEAKAGE CURRENT (pA)
ON
OFF
0
2
6
4
8
10
12
-40 -15 10 35 60 85
SUPPLY CURRENT
vs. V
CC
AND TEMPERATURE
MAX4575-04
TEMPERATURE (°C)
SUPPLY CURRENT (nA)
V+ = 5V
0
10
50
40
20
30
70
60
90
80
100
-40 -15 10 35 60 85
TURN-ON/TURN-OFF TIME
vs. TEMPERATURE
MAX4575-05
TEMPERATURE (°C)
t
ON
/t
OFF
(ns)
t
ON
t
OFF
V+ = 5V V
COM
= 3V
0
40
20
80
60
120
100
140
TURN-ON/TURN-OFF TIME
vs. SUPPLY VOLTAGE
MAX4575-06
SUPPLY VOLTAGE (V)
t
ON
/t
OFF
(ns)
036912
t
ON
t
OFF
0
40
20
80
60
120
100
140
TURN-ON/TURN-OFF TIME
vs. V
COM
(V+ = 3V)
MAX4575-07
V
COM
(V)
t
ON
/t
OFF
(ns)
0 0.5 1.0 1.5 2.0 2.5 3.0
V+ = 3V
t
ON
t
OFF
0
20
10
40
30
50
60
80
70
90
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
TURN-ON/TURN-OFF
vs. V
COM
(V+ = 5V)
MAX4575-08
V
COM
(V)
t
ON
/t
OFF
(ns)
t
ON
t
OFF
V+ = 5V
-10
-5
5
0
10
15
20
01 2345
CHARGE INJECTION vs. V
COM
MAX4575-09
V
COM
(V)
CHARGE INJECTION (pC)
V+ = 3V
V+ = 5V
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V+ = 5V, TA = +25°C, unless otherwise specified.)
20
-120
0.01 0.1 1 10 100 1000
FREQUENCY RESPONSE
-100
MAX4575-10
FREQUENCY (MHz)
LOSS (dB)
-60
-40
-80
-20
0
ON-LOSS
OFF-LOSS
CROSSTALK
0.016
0.014
0.012
0.010
0.008
0.006
0.004
0.002
0
10 1k 10k100 100k
TOTAL HARMONIC DISTORTION
+ NOISE vs. FREQUENCY
MAX4575-11
FREQUENCY (Hz)
THD + N (%)
V+ = 5V 600 IN AND OUT
Pin Description
PIN
MAX4575 MAX4576 MAX4577
1 1 NO1 Analog Switch 1Normally Open
1 NC1 Analog Switch 1Normally Closed
2 2 2 COM1 Analog Switch 1—Common
3 3 3 IN2 Digital Control Input 2
4 4 4 GND Ground
5 ——NO2 Analog Switch 2—Normally Open
5 5 NC2 Analog Switch 2Normally Closed
6 6 6 COM2 Analog Switch 2—Common
7 7 7 IN1 Digital Control Input 1
8 8 8 V+ Positive Supply Voltage Input
NAME FUNCTION
Detailed Description
The MAX4575/MAX4576/MAX4577 are dual SPST CMOS analog switches with circuitry providing ±15kV ESD protection on the NO and NC pins. The CMOS switch construction provides rail-to-rail signal handling while consuming virtually no power. Each of the two
switches is independently controlled by a TTL/CMOS­level-compatible digital input.
Applications Information
Do not exceed the absolute maximum ratings because stresses beyond the listed ratings may cause perma­nent damage to the device.
Proper power-supply sequencing is recommended for all CMOS devices. Always sequence V+ on first, fol­lowed by the logic inputs, NO/NC, or COM.
Operating Considerations for
High-Voltage Supply
The MAX4575/MAX4576/MAX4577 are capable of +12V single-supply operation with some precautions. The absolute maximum rating for V+ is +13V (refer­enced to GND). When operating near this region, bypass V+ with a minimum 0.1µF capacitor to ground as close to the IC as possible.
±15kV ESD Protection
The MAX4575/MAX4576/MAX4577 are ±15kV ESD pro­tected (according to IEC 1000-4-2) at the NC/NO termi­nals. To accomplish this, bidirectional SCRs are included on-chip between these terminals. When the voltages at these terminals go Beyond-the-Rail, the corresponding SCRs turns on in a few nanoseconds
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST,
CMOS Analog Switches
_______________________________________________________________________________________ 7
Figure 1. Switching Time
Figure 2. Off-Isolation/On-Channel Bandwidth
Beyond-the-Rail is a trademark of Maxim Integrated Products.
MAX4575 MAX4576 MAX4577
SWITCH
V
COM
INPUT
LOGIC INPUT
C
V RL + R
COM
IN
GND
INCLUDES FIXTURE AND STRAY CAPACITANCE.
L
= V
OUT
COM (
R
L
V+
tR < 20ns t
< 20ns
F
t
OFF
0.9 x V
OUT
R
L
300
SWITCH OUTPUT
C
L
35pF
V+
LOGIC
V
OUT
INPUT
SWITCH
OUTPUT
0
0
50%
V
OUT
0.9 x V
0UT
t
ON
V+
NO_/NC_
)
ON
MAX4575 MAX4576 MAX4577
IN
V
OR
IL
V
IH
SIGNAL GENERATOR 0dBm
ANALYZER
V+
10nF
V+
COM
NO_/NC_
R
L
GND
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
8 _______________________________________________________________________________________
and bypass the surge safely to ground. This method is superior to using diode clamps to the supplies because, unless the supplies are very carefully decou­pled through low-ESR capacitors, the ESD current through the diode clamp could cause a significant spike in the supplies. This may damage or compromise the reliability of any other chip powered by those same supplies.
There are diodes from NC/NO to the supplies in addi­tion to the SCRs. There is a resistance in series with each of these diodes to limit the current into the sup­plies during an ESD strike. The diodes protect these
terminals from overvoltages that are not a result of ESD strikes. These diodes also protect the device from improper power-supply sequencing.
Once the SCR turns on because of an ESD strike, it continues to be on until the current through it falls below its holding current. The holding current is typi­cally 110mA in the positive direction (current flowing into the NC/NO terminal) at room temperature (see SCR Holding Current vs. Temperature in the Typical Operating Characteristics). Design the system so that any sources connected to NC/NO are current limited to a value below the holding current to ensure the SCR
Figure 5. Crosstalk
Figure 4. Channel Off/On-Capacitance
Figure 3. Charge Injection
MAX4575 MAX4576 MAX4577
V
GEN
R
GEN
COM
GND
IN
V
V+
V+
NO_/NC_
IN
V
OUT
V
OUT
C
L
IN
MAX4575
IN
MAX4576 MAX4577
VIL OR
V
SIGNAL GENERATOR 0dBm
IH
ANALYZER
V+
10nF
V+
COM
CAPACITANCE
METER
f = 1MHz
NO_/NC_
GND
OFF
0 OR 2.4V
R
V
OUT
Q = (∆V
10nF
ON
OUT
)(CL)
V+
OFF
MAX4575 MAX4576 MAX4577
V+
COM1
IN1
NO2/NC2
GND
L
NO1/NC1
IN2
COM2
50
0 OR
2.4V
NC
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST,
CMOS Analog Switches
turns off when the ESD event is finished and normal operation may be resumed. Also, keep in mind that the holding current varies significantly with temperature. The worst case is at +85°C when the holding currents drop to 70mA. Since this is a typical number to guaran­tee turn-off of the SCRs under all conditions, the sources connected to these terminals should be current limited to not more than half this value. When the SCR is latched, the voltage across it is about 3V, depending on the polarity of the pin current. The supply voltages do not affect the holding current appreciably. The sources connected to the COM side of the switches do not need to be current limited since the switches turn off internally when the corresponding SCR(s) latches.
Even though most of the ESD current flows to GND through the SCRs, a small portion of it goes into V+. Therefore, it is a good idea to bypass the V+ with 0.1µF capacitors directly to the ground plane.
ESD protection can be tested in various ways. Trans­mitter outputs and receiver inputs are characterized for protection to the following:
±15kV using the Human Body Model
±8kV using the Contact Discharge method speci-
fied in IEC 1000-4-2 (formerly IEC 801-2)
±15kV using the Air-Gap Discharge method speci­fied in IEC 1000-4-2 (formerly IEC 801-2).
ESD Test Conditions
Contact Maxim Integrated Products for a reliability report that documents test setup, methodology, and results.
Human Body Model
Figure 6 shows the Human Body Model and Figure 7 shows the waveform it generates when discharged into a low impedance. This model consists of a 100pF capacitor charged to the ESD voltage of interest, which can be discharged into the test device through a 1.5k resistor.
IEC 1000-4-2
The IEC 1000-4-2 standard covers ESD testing and per­formance of finished equipment; it does not specifically refer to integrated circuits. The MAX4575/MAX4576/ MAX4577 enable the design of equipment that meets Level 4 (the highest level) of IEC 1000-4-2, without addi­tional ESD protection components.
The major difference between tests done using the Human Body Model and IEC 1000-4-2 is higher peak current in IEC 1000-4-2. Because series resistance is lower in the IEC 1000-4-2 ESD test model (Figure 8), the ESD withstand voltage measured to this standard is generally lower than that measured using the Human Body Model. Figure 9 shows the current waveform for the ±8kV IEC 1000-4-2 Level 4 ESD Contact Discharge test.
The Air-Gap test involves approaching the device with a charged probe. The Contact Discharge method con­nects the probe to the device before the probe is ener­gized.
Chip Information
TRANSISTOR COUNT: 78
PROCESS: CMOS
_______________________________________________________________________________________ 9
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
10 ______________________________________________________________________________________
Figure 6. Human Body ESD Test Model
Figure 7. Human Body Model Current Waveform
Figure 9. IEC 1000-4-2 ESD Generator Current Waveform
Figure 8. IEC 1000-4-2 ESD Test Model
R
C
1M
CHARGE-CURRENT
LIMIT RESISTOR
HIGH-
VOLTAGE
DC
SOURCE
C
s
100pF
R
C
50M to 100M
CHARGE-CURRENT
LIMIT RESISTOR
HIGH-
VOLTAGE
DC
SOURCE
C
150pF
s
R
D
1500
DISCHARGE RESISTANCE
STORAGE CAPACITOR
R
D
330
DISCHARGE
RESISTANCE
STORAGE CAPACITOR
DEVICE UNDER
TEST
DEVICE UNDER
TEST
IP 100%
AMPERES
36.8%
PEAK
I
tr = 0.7ns to 1ns
90%
10%
0
100%
90%
10%
PEAK-TO-PEAK RINGING
I
r
(NOT DRAWN TO SCALE)
0
t
RL
I
TIME
CURRENT WAVEFORM
30ns
t
DL
60ns
t
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST,
CMOS Analog Switches
______________________________________________________________________________________ 11
Pin Configurations/Functional Diagrams/Truth Tables (continued)
Package Information
TOP VIEW
MAX4577
1
2
3
4
µMAX
SO/
MAX4577
0 1
OFF
ON
8
V+
7
IN1
6
COM2
5
NC2
SWITCH 2
ON OFF
NC1
COM1
IN2
GND
MAX4576
1
2
3
4
SO/µMAX
MAX4576
LOGIC SWITCH
0 1
8
V+
7
IN1
6
COM2
5
NC2
ON
OFF
SWITCHES SHOWN FOR LOGIC "0" INPUT
NO1
COM1
IN2
GND
LOGIC SWITCH 1
8LUMAXD.EPS
MAX4575/MAX4576/MAX4577
±15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2000 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
Package Information (continued)
SOICN.EPS
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