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19-1762; Rev 0; 7/00
15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
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(R) analog signals. Off-leakage current is 0.5nA at +25C. 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 (0.5W), 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 (2 typ) 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 MAX and SO packages.
____________________________Features
o ESD-Protected NO/NC Pins 15kV (Human Body Model) 15kV (IEC 1000-4-2 Air-Gap Discharge) 8kV (IEC 1000-4-2 Contact Discharge) o Pin Compatible with MAX4541/MAX4542/MAX4543 o Guaranteed On-Resistance 70 (max) at +5V 150 (max) at +3V o On-Resistance Flatness 2 (typ) at +5V 6 (typ) at +3V o On-Resistance Matching 0.5 (typ) at +5V 0.6 (typ) at +3V o Guaranteed 0.5nA Leakage Current at TA = +25C o +2V to +12V Single-Supply Voltage o TTL/CMOS-Logic Compatible o Low Distortion: 0.015% o -3dB Bandwidth >300MHz o Rail-to-Rail Signal Range
Applications
Battery-Powered Systems Audio and Video Signal Routing Low-Voltage Data-Acquisition Systems Sample-and-Hold Circuits Communications Circuits Relay Replacement
Pin Configurations/ Functional Diagrams/Truth Tables
TOP VIEW MAX4575 NO1 1 COM1 2 IN2 3 GND 4 SO/MAX
MAX4575 LOGIC SWITCH 0 1 OFF ON 8 7 6 5
V+ IN1 COM2 NO2
Ordering Information
PART MAX4575 EUA MAX4575ESA MAX4576 EUA MAX4576ESA MAX4577 EUA MAX4577ESA TEMP. RANGE -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 8 MAX 8 SO 8 MAX 8 SO 8 MAX 8 SO
SWITCHES SHOWN FOR LOGIC "0" INPUT
Pin Configurations/Functional Diagrams/Truth Tables continued at end of data sheet. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
________________________________________________________________ Maxim Integrated Products
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
ABSOLUTE MAXIMUM RATINGS
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 (TA = +70C) 8-Pin MAX (derate 4.1mW/C above +70C) .............330mW 8-Pin SO (derate 8mW/C above +70C).....................640mW Operating Temperature Range MAX457_E_A ................................................-40C to +85C Storage Temperature Range .............................-65C to +150C Maximum Die Temperature..............................................+150C Lead Temperature (soldering, 10s) .................................+300C
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.
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.
ELECTRICAL CHARACTERISTICS--SINGLE +5V SUPPLY
(V+ = +4.5V to +5.5V, VIH = 2.4V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at V+ = +5V, TA = +25C.) (Note 2)
PARAMETER ANALOG SWITCH Input Voltage Range VCOM_, VNO_, VNC_ RON V+ = +4.5V, ICOM_ = 1mA, VNO_ or VNC_ = 3.5V V+ = +4.5V, ICOM_ = 1mA, VNO_ or VNC_ = 3.5V TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX 2 0.5 0 V+ V SYMBOL CONDITIONS MIN TYP MAX UNITS
45
70 75 2 3 4 5
On-Resistance
On-Resistance Match Between Channels (Note 3)
RON
On-Resistance Flatness (Note 4)
RFLAT(ON)
V+ = +4.5V, ICOM_ = 1mA, TA = +25C VNO_ or VNC_ = 1V, TA = TMIN to TMAX 2.25V, 3.5V V+ = 5.5V VCOM_ = 1V, 4.5V VNO_ or VNC_ = 4.5V, 1V V+ = 5.5V VCOM_ = 1V, 4.5V VNO_ or VNC_ = 4.5V, 1V V+ = 5.5V VCOM_ = 1V, 4.5V VNO_ or VNC_ = 1V, 4.5V or floating TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX -0.5 -5 -0.5 -5 -1 -10
Off-Leakage Current (NO_ or NC_) (Note 5)
0.01
0.5 nA 5
INO_, INC_
COM_ Off-Leakage Current (Note 5)
0.01
0.5 nA 5
ICOM_(OFF)
0.02
1 nA 10
COM_ On-Leakage Current (Note 5)
ICOM_(ON)
2
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
ELECTRICAL CHARACTERISTICS--SINGLE +5V SUPPLY (continued)
(V+ = +4.5V to +5.5V, VIH = 2.4V, VIL = 0.8V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at V+ = +5V, TA = +25C.) (Note 2)
PARAMETER LOGIC INPUT IN_ Input High IN_ Input Low Logic Input Leakage SWITCH DYNAMIC Turn-On Time VCOM_ = 3V, RL = 300, CL = 35pF, Figure 1 VCOM_ = 3V, RL = 300, CL = 35pF, Figure 1 VCOM_ = 3V, RL = 300, CL = 35pF BW Q COFF CCOM(OFF) CCOM(ON) VISO VCT THD IH VH V+ I+ V+ = 5.5V, VIN = 0 or V+ TA = +25C TA = TMIN to TMAX 2 TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX 5 4 300 4 20 12 20 -75 -45 -90 -70 0.015 110 3 12 1 10 MHz pC pF pF pF dB dB % mA V V A 45 ns 50 90 150 ns 180 80 ns 100 VIH VIL IIN VIN = 0 or V+ -1 2.4 0.8 1 V V A SYMBOL CONDITIONS MIN TYP MAX UNITS
tON
Turn-Off Time
tOFF
Break-Before-Make (MAX4577 only) On-Channel Bandwidth -3dB Charge Injection NO_ or NC_ Off-Capacitance COM_ Off-Capacitance COM_ On-Capacitance Off-Isolation (Note 7) Crosstalk (Note 8) Total Harmonic Distortion ESD SCR Holding Current ESD SCR Holding Voltage POWER SUPPLY Power-Supply Range Positive Supply Current
Signal = 0dBm, RIN = ROUT = 50, CL = 5pF, Figure 2 VGEN = 2V, CL = 1.0nF, RGEN = 0, Figure 3 VNO_ = VNC_ = GND, f = 1MHz, Figure 4 VCOM_ = GND, f = 1MHz, Figure 4 VCOM_ = VNO_, VNC_ = GND, f = 1MHz, RL = 50, C L = 5pF, f = 1MHz, Fig ur e 2 RL = 50, C L = 5pF, f = 10MH z, Figu re 2 RL = 50, C L = 5pF, f = 1MHz, Fig ur e 6 RL = 50, C L = 5pF, f = 10MH z, Figu re 6 RL = 600, f = 20H z to 20kHz
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
ELECTRICAL CHARACTERISTICS--SINGLE +3V SUPPLY
(V+ = +2.7V to +3.6V, VIH = 2.0V, VIL = 0.6V, TA = TMIN to TMAX, unless otherwise specified. Typical values are at TA = +25C.) (Note 2)
PARAMETER ANALOG SWITCH Input Voltage Range VCOM_, VNO_, VNC_ RON V+ = 2.7V; ICOM_ = 1mA; VNO_ or VNC_ = 1.5V V+ = 2.7V; ICOM_ = 1mA; VNO_ or VNC_ = 1.5V V+ = 2.7V; ICOM_ = 1mA; VNO_ or VNC_ = 0.5V, 1.5V, 2.2V TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX 6 0.6 0 V+ V SYMBOL CONDITIONS MIN TYP MAX UNITS
70
120 150 3 4 12 15
On-Resistance On-Resistance Match Between Channels (Notes 3, 8) On-Resistance Flatness (Notes 4, 8) LOGIC INPUT IN_ Input High IN_ Input Low
RON
RFLAT(ON)
VIH VIL VIN = 0 or V+ VCOM_ = 1.5V, RL = 300, CL = 35pF, Figure 1 VCOM_ = 1.5V, RL = 300, CL = 35pF, Figure 1 VCOM_ = 1.5V, RL = 300, CL = 35pF Q IH VH V+ I+ V+ = 3.6V, VIN = 0 or V+ TA = +25C TA = TMIN to TMAX
2.0 0.6 -1 1
V V A
Logic Input Leakage Current IIN SWITCH DYNAMIC CHARACTERISTICS Turn-On Time tON
TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX 5 4
150
250 ns 300
60
100 ns 150 ns
Turn-Off Time Break-Before-Make (MAX4577 only) Charge Injection ESD SCR Holding Current ESD SCR Holding Voltage POWER SUPPLY Power-Supply Range Positive Supply Current
tOFF
VGEN = 1.5V, CL = 1.0nF, RGEN = 0, Figure 3
5 110 3 2 12 1 10
pC mA V V A
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: RON = RON(MAX) - RON(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 TA(MAX), and guaranteed by correlation at +25C. Note 6: Off-Isolation = 20log10(VCOM / VNO), VCOM = output, VNO = input to off switch. Note 7: Between any two switches. Note 8: Guaranteed by design. 4 _______________________________________________________________________________________
15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
Typical Operating Characteristics
(V+ = 5V, TA = +25C, unless otherwise specified.)
ON-RESISTANCE vs. VCOM AND SUPPLY VOLTAGE
MAX4575-01
MAX4575/MAX4576/MAX4577
ON-RESISTANCE vs. VCOM AND TEMPERATURE
MAX4575-02
ON/OFF-LEAKAGE CURRENT vs. TEMPERATURE
MAX4575-03
180 160 140 120 RON () 100 80 60 40 20 0 V+ = 2.5V V+ = 3.3V V+ = 5V V+ = 1.8V
60 50 40 RON () 30 TA = +85C 20 10 0 TA = -40C
1000
LEAKAGE CURRENT (pA)
100 ON 10 OFF
TA = +25C
1 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VCOM (V) -40 -15 10 35 60 85 TEMPERATURE (C)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VCOM (V)
SUPPLY CURRENT vs. VCC AND TEMPERATURE
MAX4575-04
TURN-ON/TURN-OFF TIME vs. TEMPERATURE
MAX4575-05
TURN-ON/TURN-OFF TIME vs. SUPPLY VOLTAGE
MAX4575-06
12 10 SUPPLY CURRENT (nA) 8
V+ = 5V
100 90 80 70 tON/tOFF (ns)
V+ = 5V VCOM = 3V
140 120 100 tON/tOFF (ns) tON 80 60 40 20 0 tOFF
tON
60 50 40 30 20 10 tOFF
6 4 2 0 -40 -15 10 35 60 85 TEMPERATURE (C)
0 -40 -15 10 35 60 85 TEMPERATURE (C)
0
3
6 9 SUPPLY VOLTAGE (V)
12
TURN-ON/TURN-OFF TIME vs. VCOM (V+ = 3V)
MAX4575-07
TURN-ON/TURN-OFF vs. VCOM (V+ = 5V)
MAX4575-08
CHARGE INJECTION vs. VCOM
MAX4575-09
140 120 100 tON/tOFF (ns)
V+ = 3V tON
90 80 70 60 tON/tOFF (ns)
V+ = 5V tON
20 15 CHARGE INJECTION (pC) 10 V+ = 3V 5 0 -5 V+ = 5V -10
80 60 40 20 0 0 0.5 1.0
tOFF
50 40 30 20 10 0
tOFF
1.5 2.0 VCOM (V)
2.5
3.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
1
2 VCOM (V)
3
4
5
VCOM (V)
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
Typical Operating Characteristics (continued)
(V+ = 5V, TA = +25C, unless otherwise specified.)
FREQUENCY RESPONSE
MAX4575-10
TOTAL HARMONIC DISTORTION + NOISE vs. FREQUENCY
0.014 0.012
MAX4575-11
20 0 -20 LOSS (dB) -40 -60 -80 CROSSTALK -100 -120 0.01 0.1 1 10 100
0.016
ON-LOSS OFF-LOSS THD + N (%)
0.010 0.008 0.006 0.004 0.002 0 V+ = 5V 600 IN AND OUT 10 100 1k FREQUENCY (Hz) 10k 100k
1000
FREQUENCY (MHz)
Pin Description
PIN NAME MAX4575 1 -- 2 3 4 5 -- 6 7 8 MAX4576 -- 1 2 3 4 -- 5 6 7 8 MAX4577 1 -- 2 3 4 -- 5 6 7 8 NO1 NC1 COM1 IN2 GND NO2 NC2 COM2 IN1 V+ Analog Switch 1--Normally Open Analog Switch 1--Normally Closed Analog Switch 1--Common Digital Control Input 2 Ground Analog Switch 2--Normally Open Analog Switch 2--Normally Closed Analog Switch 2--Common Digital Control Input 1 Positive Supply Voltage Input FUNCTION
6
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
MAX4575 MAX4576 MAX4577
V+ V+ SWITCH INPUT V COM COM NO_/NC_ RL 300 GND SWITCH OUTPUT 0 t ON SWITCH OUTPUT VOUT CL 35pF LOGIC INPUT V+ 0 t R < 20ns t F < 20ns
50%
IN LOGIC INPUT
t OFF VOUT 0.9 x VOUT
0.9 x V0UT
CL INCLUDES FIXTURE AND STRAY CAPACITANCE. RL VOUT = VCOM RL + RON
(
)
Figure 1. Switching Time
switches is independently controlled by a TTL/CMOSlevel-compatible digital input.
V+
10nF SIGNAL GENERATOR 0dBm
MAX4575 MAX4576 MAX4577
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.
COM
V+ VIL OR VIH
IN ANALYZER RL NO_/NC_ GND
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 0.1F capacitor to ground as close to the IC as possible.
Figure 2. Off-Isolation/On-Channel Bandwidth
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
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-RailTM, the corresponding SCRs turns on in a few nanoseconds
Beyond-the-Rail is a trademark of Maxim Integrated Products.
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
MAX4575 MAX4576 MAX4577
RGEN COM V+ V+ VOUT NO_/NC_ CL GND IN ON Q = (V OUT )(C L ) VOUT
VOUT
V GEN
IN VIN
OFF
OFF
Figure 3. Charge Injection
10nF
V+
MAX4575 MAX4576 MAX4577
SIGNAL GENERATOR 0dBm
10nF
V+
MAX4575 MAX4576 MAX4577
NO1/NC1 IN2 50
V+ COM
V+ COM1 IN1
IN CAPACITANCE METER NO_/NC_ f = 1MHz GND
VIL OR VIH
0 OR 2.4V
0 OR 2.4V NC
ANALYZER RL
NO2/NC2 GND
COM2
Figure 4. Channel Off/On-Capacitance
Figure 5. Crosstalk
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
8
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
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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 +85C 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 0.1F 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 specified 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.
MAX4575/MAX4576/MAX4577
Chip Information
TRANSISTOR COUNT: 78 PROCESS: CMOS
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
RC 1M CHARGE-CURRENT LIMIT RESISTOR HIGHVOLTAGE DC SOURCE RD 1500 DISCHARGE RESISTANCE DEVICE UNDER TEST IP 100% 90% AMPERES Cs 100pF STORAGE CAPACITOR 36.8% 10% 0 0 tRL TIME tDL CURRENT WAVEFORM Ir PEAK-TO-PEAK RINGING (NOT DRAWN TO SCALE)
Figure 6. Human Body ESD Test Model
Figure 7. Human Body Model Current Waveform
RC 50M to 100M CHARGE-CURRENT LIMIT RESISTOR HIGHVOLTAGE DC SOURCE
RD 330 DISCHARGE RESISTANCE DEVICE UNDER TEST
I 100% 90% I PEAK
Cs 150pF
STORAGE CAPACITOR
10% t r = 0.7ns to 1ns 30ns 60ns t
Figure 8. IEC 1000-4-2 ESD Test Model
Figure 9. IEC 1000-4-2 ESD Generator Current Waveform
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches
Pin Configurations/Functional Diagrams/Truth Tables (continued)
TOP VIEW
MAX4575/MAX4576/MAX4577
MAX4576 NC1 1 COM1 2 IN2 3 GND 4 SO/MAX
MAX4576 LOGIC SWITCH 0 1 ON OFF LOGIC 0 1 8 7 6 5
MAX4577 V+ IN1 COM2 NC2 NO1 1 COM1 2 IN2 3 GND 4 SO/MAX
MAX4577 SWITCH 1 OFF ON SWITCH 2 ON OFF 8 7 6 5
V+ IN1 COM2 NC2
SWITCHES SHOWN FOR LOGIC "0" INPUT
Package Information
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15kV ESD-Protected, Low-Voltage, Dual, SPST, CMOS Analog Switches MAX4575/MAX4576/MAX4577
Package Information (continued)
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 (c) 2000 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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