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19-0391; Rev 0; 5/95
Low-Voltage, Quad, SPDT, CMOS Analog Switch
_______________General Description
The MAX394 is a precision, low-voltage, quad, singlepole/double-throw (SPDT) analog switch. The four independent switches operate with bipolar supplies ranging from 2.7V to 8V, or with a single supply of +2.7V to +15V. The MAX394 offers low on-resistance (less than 35), guaranteed to match within 2 between channels and to remain flat over the analog signal range (4 max). It also offers break-before-make switching (10ns typical), with turn-off times less than 75ns and turn-on times less than 130ns. The MAX394 is ideal for portable operation since quiescent current runs less than 1A with all inputs high or low. This monolithic, quad switch is fabricated with Maxim's low voltage silicon-gate process. Design improvements guarantee extremely low charge injection (10pC), low power consumption (10W), and electrostatic discharge (ESD) greater than 2000V. Logic inputs are TTL and CMOS compatible and guaranteed over a +0.8V to +2.4V range for supply voltages up to +8V. When supplies exceed +8V, the inputs are typically +0.8V to +4V. Logic inputs and switched analog signals can range anywhere between the supply voltages without damage.
____________________________Features
o Low On-Resistance, < 17 Typical (35 max) o Guaranteed Matched On-Resistance Between Channels, < 2 o Guaranteed Flat On-Resistance over Analog Signal Range, 4 Max o Guaranteed Charge Injection < 10pC o Guaranteed Off-Channel Leakage < 2.5nA at +85C o ESD Guaranteed > 2000V per Method 3015.7 o Single-Supply Operation (+2.7V to +15V) Bipolar-Supply Operation (2.7V to 8V) o TTL/CMOS-Logic Compatibility o Rail-to-Rail Analog Signal Handling Capability o Pin Compatible with MAX333, MAX333A
MAX394
______________Ordering Information
PART MAX394CPP MAX394CWP MAX394C/D MAX394EPP MAX394EWP MAX394MJP TEMP. RANGE 0C to +70C 0C to +70C 0C to +70C -40C to +85C -40C to +85C -55C to +125C PIN-PACKAGE 20 Plastic DIP 20 Wide SO Dice* 20 Plastic DIP 20 Wide SO 20 CERDIP**
________________________Applications
Test Equipment Communications Systems PBX, PABX Heads-Up Displays Portable Instruments Audio Signal Routing Set-Top Boxes
* Contact factory for dice specifications. ** Contact factory for availability.
__________Typical Operating Circuit
INPUTS OUTPUTS V1 - V2
__________________Pin Configuration
TOP VIEW
IN1 1 NO1 2 COM1 3 NC1 4 V- 5 GND 6 NC2 7 COM2 8 NO2 9 IN2 10 20 IN4 19 NO4 18 COM4 17 NC4 16 V+
V1
V2
OSC IN
MAX394
15 N.C. 14 NC3 13 COM3 12 NO3 11 IN3 V4 FLYING CAPACITOR LEVEL TRANSLATOR (2-CHANNEL) V3 V3 - V4
DIP/SO
SWITCHES ARE SHOWN WITH LOGIC "0" INPUT N.C. = NOT INTERNALLY CONNECTED
________________________________________________________________ Maxim Integrated Products
1
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Low-Voltage, Quad, SPDT, CMOS Analog Switch MAX394
ABSOLUTE MAXIMUM RATINGS
Voltage Referenced to GND V+ .......................................................................-0.3V to +17V V- ........................................................................+0.3V to -17V V+ to V-...............................................................-0.3V to +17V COM_, NO_, NC_, IN_ (Note 1) ..................(V- - 2V) to (V+ + 2V) or 30mA, whichever occurs first Continuous Current, Any Pin...............................................30mA Peak Current, Any Pin (pulsed at 1ms, 10% duty cycle max) ..........................100mA Continuous Power Dissipation (TA = +70C) Plastic DIP (derate 10.53mW/C above+70C) ...........842mW Narrow SO (derate 8.70mW/C above +70C) ............696mW CERDIP (derate 10.00mW/C above +70C) ...............800mW Operating Temperature Ranges MAX394C_ P .......................................................0C to +70C MAX394E_ P ....................................................-40C to +85C MAX394MJP ..................................................-55C to +125C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10sec) .............................+300C
Note 1: Signals on NC, NO, COM, or IN exceeding V+ or V- are clamped by internal diodes. Limit forward diode 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--Dual Supplies
(V+ = 5V 10%, V- = -5V 10%, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SWITCH Analog Signal Range VCOM, VNO, VNC (Note 3) V+ = 4.5V, V- = -4.5V, VNC or VNO = 3.5V, ICOM = 10mA, VINH = 2.4V, VINL = 0.8V VNC or VNO = 3V, ICOM = 10mA, V+ = 5V, V- = -5V TA = +25C C, E M V20 20 V+ 35 30 45 0.5 2 4 4 6 -0.2 -0.1 -2.5 -20 -0.4 -0.2 -5.0 -20 -0.04 -0.04 -0.01 -0.01 0.2 0.1 2.5 20 0.4 0.2 5.0 20 nA nA V SYMBOL CONDITIONS TEMP. RANGE MIN TYP (Note 2) MAX UNITS
On-Resistance
RON
TA = TMIN C, E, M to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C C, E, M C, E, M C, E, M C, E, M C, E M
On-Resistance Match Between Channels (Note 4)
RON
On-Resistance Flatness (Note 4)
VNC or VNO = 3V, 0V, RFLAT(ON) -3V; ICOM = 10mA, V+ = 5V; V- = -5V INC(OFF)
or INO(OFF)
NC or NO Off Leakage Current (Note 5)
VCOM = 4.5V, VNC or VNO = 4.5V, V+ = 5.5V,V- = -5.5V
TA = TMIN C, E to TMAX M TA = +25C C, E M
COM Leakage Current (Note 5)
ICOM(ON)
VCOM = 4.5V, VNC or VNO = 4.5V, V+ = 5.5V, V- = -5.5V
TA = TMIN C, E to TMAX M
2
_______________________________________________________________________________________
Low-Voltage, Quad, SPDT, CMOS Analog Switch
ELECTRICAL CHARACTERISTICS--Dual Supplies (continued)
(V+ = 5V 10%, V- = -5V 10%, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER DIGITAL LOGIC INPUT Input Current with Input Voltage High Input Current with Input Voltage Low Logic High Input Voltage Logic Low Input Voltage DYNAMIC Turn-On Time Turn-Off Time Break-Before-Make Time Delay (Note 3) Charge Injection (Note 3) Off Isolation (Note 6) Crosstalk (Note 7) Off Capacitance COM Off Capacitance tON tOFF tD VCTE VISO VCT COFF VCOM = 3V, Figure 2 VCOM = 3V, Figure 2 Figure 5 CL = 1.0nF, VGEN = 0V, RGEN = 0, Figure 6 RL = 50, CL = 5pF, f = 1MHz, Figure 3 RL = 50, CL = 5pF, f = 1MHz, Figure 8 f = 1MHz, Figure 3 TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = +25C TA = +25C TA = +25C TA = +25C TA = +25C TA = +25C 2 10 5 66 88 12 12 39 10 57 82 130 175 75 100 ns ns ns pC dBm dBm pF pF pF IINH IINL VA_H VA_L VIN = 2.4V, all others = 0.8V VIN = 0.8V, all others = 2.4V TA = TMIN to TMAX TA = TMIN to TMAX -1.0 -1.0 2.4 0.8 0.005 0.005 1.0 1.0 A A V V SYMBOL CONDITIONS MIN TYP (Note 2) MAX UNITS
MAX394
CCOM(OFF) f = 1MHz, Figure 3
Channel On Capacitance CCOM(ON) f = 1MHz, Figure 4 SUPPLY Power-Supply Range Positive Supply Current I+
2.4 All channels on or off, V+ = 5.5V, V- = -5.5V, VIN = 0V or V+ All channels on or off, V+ = 5.5V, V- = -5.5V, VIN = 0V or V+ -1.0 0.06
8 1.0
V A
Negative Supply Current
I-
-1.0
-0.01
1.0
A
_______________________________________________________________________________________
3
Low-Voltage, Quad, SPDT, CMOS Analog Switch MAX394
ELECTRICAL CHARACTERISTICS--Single +5V Supply
(V+ = 5V 10%, V- = 0V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SWITCH Analog Signal Range VCOM, VNO, VNC (Note 3) C, E M C, E, M 0.5 0V 25 V+ 65 60 75 2 C, E, M 4 6 C, E, M C, E M C, E M C, E M C, E M -0.2 -0.1 -2.5 -20 -0.4 -0.2 -5.0 -20 -0.04 -0.04 -0.01 -0.01 8 0.2 0.1 2.5 20 0.4 0.2 5.0 20 nA nA V SYMBOL CONDITIONS TEMP. RANGE MIN TYP (Note 2) MAX UNITS
On-Resistance
RON
V+ = 5.0V, V- = 0V, VNC or VNO = 3.5V, ICOM = 1.0mA, VINH = 2.4V, VINL = 0.8V VNC or VNO = 3V, ICOM = 1.0mA, V+ = 5V
TA = +25C TA = TMIN to TMAX
On-Resistance Match Between Channels (Note 4)
TA = +25C C, E, M TA = TMIN to TMAX
RON
On-Resistance Flatness (Note 4)
VNC or VNO = 3V, 2V, RFLAT(ON) 1V; ICOM = 1.0mA; V+ = 5V; V- = 0V
TA = +25C C, E, M TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX
NC or NO Off Leakage Current (Note 8)
INC(OFF)
or INO(OFF)
VCOM = 0V, VNC or VNO = 4.5V, V+ = 5.5V, V- = 0V
COM Leakage Current (Note 8) DIGITAL LOGIC INPUT Input Current with Input Voltage High Input Current with Input Voltage Low
ICOM(ON)
VCOM = 4.5V, VNC or VNO = 4.5V, V+ = 5.5V, V- = 0V
IINH IINL
VIN = 2.4V, all others = 0.8V VIN = 0.8V, all others = 2.4V
-1.0 -1.0
0.005 0.005
1.0 1.0
A A
4
_______________________________________________________________________________________
Low-Voltage, Quad, SPDT, CMOS Analog Switch
ELECTRICAL CHARACTERISTICS--Single +5V Supply (continued)
(V+ = +5V 10%, V- = 0V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER DYNAMIC Turn-On Time (Note 3) Turn-Off Time (Note 3) Break-Before-Make Time Delay (Note 3) Charge Injection (Note 3) SUPPLY Power-Supply Range Positive Supply Current Negative Supply Current V+ I+ IAll channels on or off, VIN = 0V or V+, V+ = 5.5V, V- = 0V All channels on or off, VIN = 0V or V+, V+ = 5.5V, V- = 0V 2.4 -1.0 -1.0 0.01 -0.01 16 1.0 1.0 V A A tON tOFF tD VCTE CL = 1.0nF, VGEN = 0V, RGEN = 0 VCOM = 3V, Figure 2 VCOM = 3V, Figure 2 TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = +25C 5 20 3 5 60 160 250 300 125 175 ns ns ns pC SYMBOL CONDITIONS MIN TYP (Note 2) MAX UNITS
MAX394
ELECTRICAL CHARACTERISTICS--Single +3.3V Supply
(V+ = 3.0V to 3.6V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER SWITCH Analog Signal Range VCOM, VNO, VNC (Note 3) C, E M C, E, M C, E M C, E M C, E M C, E M -0.2 -0.1 -2.5 -5.0 -0.4 -0.2 -5.0 -20.0 -0.04 -0.04 -0.01 -0.01 0 75 V+ 185 175 250 0.2 0.1 2.5 5.0 0.4 0.2 5.0 20.0 nA nA V SYMBOL CONDITIONS TEMP. RANGE MIN TYP (Note 2) MAX UNITS
On-Resistance
RON
V+ = 3V, V- = 0V, VNC or VNO = 1.5V, ICOM = 1.0mA, VINH = 2.4V, VINL = 0.8V VCOM = 0V, VNC or VNO = 3V, V+ = 3.6V, V- = 0V
TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX TA = +25C TA = TMIN to TMAX
NC or NO Off Leakage Current (Note 8)
INC(OFF)
or INO(OFF)
COM Leakage Current (Note 8)
ICOM(ON)
VCOM = 3V, VNC or VNO = 3V, V+ = 3.6V, V- = 0V
_______________________________________________________________________________________
5
Low-Voltage, Quad, SPDT, CMOS Analog Switch MAX394
ELECTRICAL CHARACTERISTICS--Single +3.3V Supply (continued)
(V+ = 3.0V to 3.6V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.) PARAMETER DIGITAL LOGIC INPUT Input Current with Input Voltage High Input Current with Input Voltage Low DYNAMIC Turn-On Time (Note 3) Turn-Off Time (Note 3) Break-Before-Make Delay (Note 3) Charge Injection (Note 3) SUPPLY Power-Supply Range Positive Supply Current V+ I+ All channels on or off, VIN = 0V or V+, V+ = 3.6V, V- = 0V All channels on or off, VIN = 0V or V+, V+ = 3.6V, V- = 0V 2.7 -1.0 0.01 16 1.0 V A tON tOFF tD VCTE VCOM = 1.5V, Figure 2 VCOM = 1.5V, Figure 2 Figure 5 CL = 1.0nF, VGEN = 0V, RGEN = 0, Figure 6 TA = +25C TA = +25C TA = +25C TA = +25C 5 20 1 5 400 150 ns ns ns pC IINH IINL VIN = 2.4V, all others = 0.8V VIN = 0.8V, all others = 2.4V -1.0 -1.0 0.005 0.005 1.0 1.0 A A SYMBOL CONDITIONS MIN TYP (Note 2) MAX UNITS
Negative Supply Current
I-
-1.0
-0.01
1.0
A
Note 2: Note 3: Note 4:
Note 5: Note 6: Note 7: Note 8:
The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in this data sheet. Guaranteed by design. RON = RON(max) - RON(min). On-resistance match between channels and flatness are guaranteed only with specified voltages. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the specified analog signal range. Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at room temperature. See Figure 6. Off isolation = 20log10 VCOM/VNC or VNO, VCOM = output, VNC or NO = input to off switch. Between any two switches. See Figure 3. Leakage testing at single supply is guaranteed by testing with dual supplies.
6
_______________________________________________________________________________________
Low-Voltage, Quad, SPDT, CMOS Analog Switch
__________________________________________Typical Operating Characteristics
(TA = +25C, unless otherwise noted.)
MAX394
ON-RESISTANCE vs. VCOM (DUAL SUPPLIES)
MAX394-01
ON-RESISTANCE vs. VCOM (SINGLE SUPPLY)
MAX394-02
ON-RESISTANCE vs. VCOM OVER TEMPERATURE (DUAL SUPPLIES)
V+ = +5V V- = -5V
MAX394-03
35 30 25 RON () 20 15 10 5 0 -8 -6 -4 -2 0 VCOM (V) 2 4 6 8 V+ = 5V, V- = -5V V+ = 8V, V- = -8V V+ = 3V, V- = -3V
100 90 80 70 RON () 60 50 40 30 20 10 0 1 2 3 VCOM (V) 4 5 6 V+ = 5V, V- = 0V V+ = 3V, V- = 0V
50
40
RON ()
30 +125C 20 +85C
+25C
10 0 -5 -4 -3 -2 -1 0 1 2 3 4 5 VCOM (V)
ON-RESISTANCE vs. VCOM OVER TEMPERATURE (SINGLE SUPPLY)
MAX394-04
OFF LEAKAGE CURRENT vs. TEMPERATURE
MAX394-05
ON LEAKAGE CURRENT vs. TEMPERATURE
V+ = 5.5V V- = -5.5V VCOM = 4.5V ICOM(ON) 1 0.1 0.01 0.001 0.0001 INC (OFF) or INO(ON)
MAX394-06
50 V+ = 5V V- = 0V 40 +125C +85C +25C
1000 100 OFF LEAKAGE (pA) 10 1 0.1 0.01 INC(OFF) or INO(OFF) ICOM(OFF) V+ = 5.5V V- = -5.5V VNC or VNO = 4.5V
1000 100 OFF LEAKAGE (pA) 10
RON ()
30
20
10 0.001 0 0 1 2 3 VCOM (V) 4 5 6 0.0001 -75 -50 -25 0 25 50 75 100 125 TEMPERATURE (C)
-75 -50 -25
0
25
50
75 100 125
TEMPERATURE (C)
_______________________________________________________________________________________
7
Low-Voltage, Quad, SPDT, CMOS Analog Switch MAX394
____________________________Typical Operating Characteristics (continued)
(TA = +25C, unless otherwise noted).
CHARGE INJECTION vs. VCOM
MAX394-07
SUPPLY CURRENT vs. TEMPERATURE
V+ = 5.5V V- = -5.5V
MAX394-08
50 40 30 20 Q (pC) 10 0 -10 -20 -30 -40 -50 -5 -4 -3 -2 -1 0 1 2 3 4 5 VCOM (V) V+ = 5V, V- = -5V V+ = 5V, V- = 0V V+ = 3V, V- = 0V
100 10 SUPPLY CURRENT (A) 1 0.1 0.01 0.001 0.0001 0.00001 -75 -50 -25 0 25 50 I+ or I-
75 100 125
TEMPERATURE (C)
OFF-ISOLATION vs. FREQUENCY
CIRCUIT OF FIGURE 7 VIN = 0dBm
MAX394-09
0 -20
VISO (dBm)
-40
-60
-80
-100 0.1k 1k 10k 100k FREQUENCY (Hz) 1M 10M 100M
CROSSTALK vs. FREQUENCY
CIRCUIT OF FIGURE 8 VIN = 0dBm, RL = 50
MAX394-10
0 -20
VCT (dBm)
-40
-60
-80
-100 0.1k 1k 10k 100k FREQUENCY (Hz) 1M 10M 100M
8
_______________________________________________________________________________________
Low-Voltage, Quad, SPDT, CMOS Analog Switch
_____________________Pin Description
PIN 1, 10, 11, 20 2, 9, 12, 19 3, 8, 13, 18 4, 7,14, 17 5 6 15 16 NAME IN1-IN4 NO1-NO4 COM1-COM4 NC1-NC4 VGND N.C. V+ FUNCTION Logic-Level Inputs
V+ +5V D1
MAX394
Normally Open Switches
MAX394
Common Switch Poles Normally Closed Switches Negative Power Supply Ground Not Internally Connected Positive Power Supply
-5V VD2 * INTERNAL PROTECTION DIODES COM
* *
*
NO or NC
*
__________Applications Information
Operation with Supply Voltages Other than 5V
The MAX394 switch operates with 2.7V to 8V bipolar supplies and a +2.7V to +15V single supply. In either case, analog signals ranging from V+ to V- can be switched. The Typical Operating Characteristics graphs show the typical on-resistance variation with analog signal and supply voltage. The usual on-resistance temperature coefficient is 0.5%/C (typ).
Figure 1. Overvoltage Protection Using Blocking Diodes
Power-Supply Sequencing and Overvoltage Protection
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 apply V+, followed by V- (when using split supplies) before applying analog signals or logic inputs, especially if the analog or logic signals are not currentlimited. If this sequencing is not possible and if the analog or logic inputs are not current-limited to less than
30mA, add a single diode (D1) for single-supply operation (Figure 1). If using dual supplies or if the analog signal can dip below ground in single-supply operation, add two small signal diodes (D1, D2), as shown in Figure 1. Adding protection diodes reduces the analog signal range to a diode drop above V- for D2. Leakage is not affected by adding the diodes. On-resistance increases by a small amount at low supply voltages. Maximum supply voltage (V- to V+) must not exceed 17V. Adding diodes D1 and D2 also protects against some overvoltage situations. With the circuit of Figure 1, if the supply voltage is below the absolute maximum rating and if a fault voltage up to the absolute maximum rating is applied to an analog signal pin, no damage will result. For example, with 5V supplies, analog signals up to 8.5V will not damage the circuit of Figure 1. If only a single fault signal is present, the fault voltage can go to +12V or -12V without damage.
_______________________________________________________________________________________
9
Low-Voltage, Quad, SPDT, CMOS Analog Switch MAX394
______________________________________________Test Circuits/Timing Diagrams
3V V IN 0V t ON t OFF +10V V COM 0V -10V t OFF t ON t OPEN 50% 50% t OPEN 50% 50% LOGIC INPUT +10V -10V IN_ V+ GND t R < 20ns t F < 20ns 50% 50% NC_ COM_ NO_ 300 SWITCH OUTPUT
MAX394
V-
+15V
-15V
(REPEAT TEST FOR IN2, IN3, AND IN4.)
Figure 2. Switching-Time Test Circuit
C +5V C +5V
CAPACITANCE METER
V+ COM
V+
MAX394
IN NC or NO GND VC 0V or 2.4V CAPACITANCE METER
COM
MAX394
IN 0V or 2.4V
NC or NO GND VC
-5V
-5V
Figure 3. Channel Off Capacitance
Figure 4. Channel On Capacitance
+5V
LOGIC INPUT
+3V 50% 0V VCOM VO1 0.9VO LOGIC INPUT V COM COM_ NC IN_ V+ NO VO2 RL2 VRL1 VO1 CL1
MAX394
CL2
0V SWITCH OUTPUT VCOM VO2 SWITCH OUTPUT 0V tD tD 0.9VO
GND
-5V CL INCLUDES FIXTURE AND STRAY CAPACITANCE. LOGIC 0 INPUT.
R L = 1k C L = 35pF
Figure 5. Break-Before-Make Delay
10 ______________________________________________________________________________________
Low-Voltage, Quad, SPDT, CMOS Analog Switch
_________________________________Test Circuits/Timing Diagrams (continued)
+5V V+ R GEN
MAX394
MAX394
COM_ NC OR NO CL 10nF VO VO IN_ ON
VO
V GEN
GND
IN_
V-
OFF
ON
-5V Q = (V O )(C L )
Figure 6. Charge Injection
C SIGNAL GENERATOR
+5V
COM_
V+
MAX394
IN_ ANALYZER CH A CH B NC_ OR NO_ RL 50 GND VC
0V, 2.4V
FREQUENCY TESTED 1 MHz
SIGNAL GENERATOR AUTOMATIC SYNTHESIZER
ANALYZER TRACKING SPECTRUM ANALYZER
VISO = 20LOG -5V C = 5pF
VCOM VNC OR VNO
Figure 7. Off Isolation
C +5V
MAX394
SIGNAL GENERATOR COM V+ NC OR NO 0V or 2.4V ANALYZER CH A CH B RL -5V VCT = 20LOG VCOM VNC OR VNO IN IN2 COM VC 0V or 2.4V FREQUENCY TESTED 1MHz SIGNAL GENERATOR AUTOMATIC SYNTHESIZER ANALYZER TRACKING SPECTRUM ANALYZER 50
NC or NO GND
Figure 8. Crosstalk Test Circuit
______________________________________________________________________________________ 11
Low-Voltage, Quad, SPDT, CMOS Analog Switch MAX394
___________________Chip Topography
NO1 IN1 IN4 NO4
COM1 NC1 VGND NC2 COM2
COM4
NC4
0.128" V+ (3.25mm) NC3 COM3
NO2
IN2
IN3 0.100" (2.54mm)
NO3
SUBSTRATE IS CONNECTED TO V+ TRANSISTOR COUNT: 137
________________________________________________________Package Information
E D A3 A A2 E1
DIM A A1 A2 A3 B B1 C D1 E E1 e eA eB L INCHES MAX MIN 0.200 - - 0.015 0.175 0.125 0.080 0.055 0.022 0.016 0.065 0.045 0.012 0.008 0.080 0.005 0.325 0.300 0.310 0.240 - 0.100 - 0.300 0.400 - 0.150 0.115 INCHES MIN MAX 0.348 0.390 0.735 0.765 0.745 0.765 0.885 0.915 1.015 1.045 1.14 1.265 MILLIMETERS MIN MAX - 5.08 0.38 - 3.18 4.45 1.40 2.03 0.41 0.56 1.14 1.65 0.20 0.30 0.13 2.03 7.62 8.26 6.10 7.87 2.54 - 7.62 - - 10.16 2.92 3.81 MILLIMETERS MIN MAX 8.84 9.91 18.67 19.43 18.92 19.43 22.48 23.24 25.78 26.54 28.96 32.13
21-0043A
L A1 e B D1
0 - 15 C B1 eA eB
Plastic DIP PLASTIC DUAL-IN-LINE PACKAGE (0.300 in.)
PKG. DIM PINS P P P P P N D D D D D D 8 14 16 18 20 24
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) 1995 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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