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19-2522; Rev 0; 7/02
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers
General Description
The MAX4781/MAX4782/MAX4783 are high-speed, low-voltage, low on-resistance, CMOS analog multiplexers/switches configured as an 8-channel multiplexer (MAX4781), two 4-channel multiplexers (MAX4782), and three single-pole/double-throw (SPDT) switches (MAX4783). These devices operate with a +1.6V to +3.6V single supply. When powered from a +3V supply, MAX4781/ MAX4782/MAX4783 feature a 1 max on-resistance (RON), with 0.4 (max) RON matching between channels, and 0.2 (max) RON flatness. These devices handle Rail-to-Rail(R) analog signals and offer fast switching times of less than 25ns while consuming less than 3W of quiescent power. They are available in space-saving 16-pin QFN (4mm x 4mm) and TSSOP packages. o On-Resistance 1 (max) (+3V Supply) 2.5 (max) (+1.8V Supply) o On-Resistance Match Between Channels 0.4 (max) (+3V Supply) o On-Resistance Flatness 0.2 (max) (+3V Supply) o +1.6V to +3.6V Single-Supply Operation o High-Current Handling Capacity (150mA Continuous) o +1.8V CMOS-Logic Compatible (+3V Supply) o Fast Switching Times: tON = 25ns, tOFF = 15ns o Pin Compatible with Industry-Standard 74HC4051/74HC4052/74HC4053 and MAX4617/MAX4618/MAX4619 o Available in 4mm x 4mm 16-Pin QFN
Features
MAX4781/MAX4782/MAX4783
Applications
Battery-Operated Equipment Audio Signal Routing Low-Voltage Data-Acquisition Systems Communications Circuits
Ordering Information
PART MAX4781EUE MAX4781EGE MAX4782EUE MAX4782EGE MAX4783EUE MAX4783EGE TEMP RANGE -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 16 TSSOP 16 QFN (4mm x 4mm) 16 TSSOP 16 QFN (4mm x 4mm) 16 TSSOP 16 QFN (4mm x 4mm)
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Pin Configurations/Functional Diagrams
TOP VIEW X6 16 X4 15
MAX4781
VCC 14 X2 X4 13 X6 2 3 15 14 X2 X1 X0 X3 1 16 VCC
X
1
12
X1 X
X7
2
11
X0
X7 X5
4 5
13 12
X5
3
10
X3 ENABLE 6 7 8 LOGIC 11 10 9 A B C
ENABLE
4
LOGIC
9
A N.C.
5 N.C.
6 GND
7 C
8 B
GND
MAX4781
TSSOP
4mm 4mm QFN
Pin Configurations/Functional Diagrams continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products 1
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to GND VCC, A, B, C, and ENABLE ..................................-0.3V to +4V Voltage at Any Other Terminal (Note 1)...................................................-0.3V to (VCC + 0.3V) Continuous Current into A, B, C, ENABLE........................10mA Continuous Current into X, Y, Z, X_, Y_, Z_ ....................150mA Peak Current into X, Y, Z, X_, Y_, Z_ (pulsed at 1ms, 10% duty cycle)................................300mA Continuous Power Dissipation 16-Pin QFN (derate 18.5mW/C above +70C) .........1481mW 16-Pin TSSOP (derate 5.7mW/C above +70C) ........ 457mW Operating Temperature Range ..........................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C
Note 1: Signals on X, Y, Z, X_, Y_, and Z_ exceeding VCC or GND 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--Single +3V Supply
(VCC = +2.7V to +3.6V, GND = 0, VIH = 1.4V, VIL = 0.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
PARAMETER ANALOG SWITCH Analog Signal Range On-Resistance (Note 4) On-Resistance Match Between Channels (Notes 4, 5) On-Resistance Flatness (Note 6) X_, Y_, Z_ Off-Leakage Current X, Y, Z Off-Leakage Current VX, VY, VZ, VX_, VY_, VZ_ RON VCC = +2.7V; IX_, IY_, IZ_ = 100mA; VX, VY, VZ = 1.7V VCC = +2.7V; IX_, IY_, IZ_ = 100mA; VX, VY, VZ = 1.7V VCC = +2.7V; IX_, IY_, IZ_ = 100mA; VX, VY, VZ = 0, 0.7V, 1.7V VCC = +3.6V; V X_, VY_, VZ_ = 3.3V, 0.3V; VX, VY, VZ = 0.3V, 3.3V VCC = +3.6V; VX_, VY_, VZ_ = 3.3V, 0.3V; VX, VY, VZ = 0.3V, 3.3V +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX -2 -5 -2 -25 -2 -25 0.002 0.002 0.002 0.1 0.3 0 0.7 VCC 1 1.2 0.4 0.6 0.2 0.2 +2 nA +5 +2 nA +25 +2 nA +25 V SYMBOL CONDITIONS TA MIN TYP MAX UNITS
RON
RFLAT(ON) IX_(OFF) IY_(OFF) IZ_(OFF) IX(OFF) IY(OFF) IZ(OFF) IX(ON) IY(ON) IZ(ON)
X, Y, Z On-Leakage Current
VCC = +3.6V +25C VX, VY, VZ = 0.3V, 3.3V; VX_, VY_; TMIN to TMAX VZ = 0.3V, 3.3V or floating
2
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers
ELECTRICAL CHARACTERISTICS--Single +3V Supply (continued)
(VCC = +2.7V to +3.6V, GND = 0, VIH = 1.4V, VIL = 0.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS VX_, VY_, VZ_ = 1.5V; RL = 50; CL = 35pF; Figure 1 VX_, VY_, VZ_ = 1.5V; RL = 50; CL = 35pF; Figure 1 VX_, VY_, VZ_ = 1.5V; RL = 50; CL = 35pF; Figure 2 VX_, VY_, VZ_ = 1.5V; RL = 50; CL = 35pF; Figure 3 VGEN = 0, RGEN = 0, CL = 1nF, Figure 4 f = 1MHz, Figure 6 MAX4781 f = 1MHz, Figure 6 MAX4782 MAX4783 MAX4781 f = 1MHz, Figure 6 RL = 50, CL = 35pF, Figure 5 RL = 50, CL = 35pF, Figure 5 MAX4782 MAX4783 f = 10MHz f = 1MHz f = 10MHz f = 1MHz +25C +25C TA +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C 2 -110 18 11 4 MIN TYP 11 MAX 25 27 15 20 25 27 UNITS
MAX4781/MAX4782/MAX4783
SWITCH DYNAMIC CHARACTERISTICS Turn-On Time Turn-Off Time Address Transition Time Break-Before-Make Time (Note 7) Charge Injection tON tOFF tTRANS tBBM Q CX_(OFF), CY_(OFF), CZ_(OFF) CX(OFF), CY(OFF), CZ(OFF) CX(ON) CY(ON) CZ(ON) VISO VCT THD VIH VIL IIN_ VA, VB, VC = V EN A B L E = 0 or 3.6V ns ns ns ns pC
Input Off-Capacitance
+25C
38 310 158 75 380 224 140 -75 -90 -65 -80 0.045 1.4 0.5 -1 0.0005 +1
pF
Output Off-Capacitance
pF
Output On-Capacitance
pF
Off-Isolation (Note 8) Channel-to-Channel Crosstalk (Note 9) Total Harmonic Distortion DIGITAL I/O Input Logic High Input Logic Low Input Leakage Current POWER SUPPLY Power-Supply Range Positive Supply Current
dB dB % V V A
f = 20Hz to 20kHz, 0.5VP-P, RL = 32 TMIN to TMAX TMIN to TMAX TMIN to TMAX
VCC ICC VCC = 3.6V; VA, VB, VC; V EN A B L E = 3.6V or 0
+1.6
+3.6 1
V A
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3
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
ELECTRICAL CHARACTERISTICS--Single +1.8V Supply
(VCC = +1.8V, GND = 0, VIH = 1V, VIL = 0.4V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Notes 2, 3)
PARAMETER ANALOG SWITCH Analog Signal Range VX_, VY_ , VZ_, VX, VY, VZ RON RON VCC = 1.8V; IX_, IY_, IZ_ = 10mA; +25C VX, VY, VZ = 1.0V TMIN to TMAX VCC = 1.8V; IX_, IY_, IZ_ = 10mA; +25C VX, VY, VZ = 1.0V TMIN to TMAX VX_, VY_, VZ_ = 1.0V; RL = 50; CL = 35pF; Figure 1 VX_, VY_, VZ_ = 1.0V; RL = 50; CL = 35pF; Figure 1 VX_, VY_, VZ_ = 1.0V; RL = 50; CL = 35pF; Figure 2 VX_, VY_, VZ_ = 1V; RL = 50; CL = 35pF; Figure 3 VGEN = 0, RGEN = 0, CL = 1nF, Figure 4 +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C TMIN to TMAX +25C 1 -40 26 17 8 0 1.6 0.3 VCC 2.5 3.5 0.4 0.6 17 30 32 20 22 30 32 V SYMBOL CONDITIONS TA MIN TYP MAX UNITS
On-Resistance (Note 4) On-Resistance Match Between Channels (Notes 4, 5)

SWITCH DYNAMIC CHARACTERISTICS Turn-On Time Turn-Off Time Address Transition Time Break-Before-Make Time (Note 7) Charge Injection DIGITAL I/O Input Logic High Input Logic Low Input Leakage Current POWER SUPPLY Power-Supply Range Positive Supply Current VCC ICC VCC = 3.6V; VA, VB, VC, V EN A B L E = 0 or 3.6V 1.6 3.6 1 V A VIH VIL IIN_ TMIN to TMAX TMIN to TMAX VA, VB, VC = V EN A B L E = 0 or 3.6V TMIN to TMAX -1 0.000 1 0.4 +1 V V A tON tOFF tTRANS tBBM Q ns ns ns ns pC
Note 2: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. Note 3: Devices are tested at maximum hot temperature and are guaranteed by design and correlation at TA = +25C and -40C specifications. Note 4: RON and RON matching specifications for QFN-packaged parts are guaranteed by design. Note 5: RON = RON(MAX) - RON(MIN). Note 6: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the specified analog signal ranges. Note 7: Guaranteed by design; not production tested. Note 8: Off-isolation = 20log10(VCOM_ / VNO), VCOM_ = output, VNO = input to off switch. Note 9: Between any two channels.
4
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Typical Operating Characteristics
(GND = 0, TA = +25C, unless otherwise noted.)
ON-RESISTANCE vs. VX, VY, VZ
MAX4781 toc01
ON-RESISTANCE vs. VX, VY, VZ, AND TEMPERATURE
MAX4781 toc02
LEAKAGE CURRENT vs. TEMPERATURE
VCC = 3.6V
MAX4781toc03
2.0 1.8 1.6 RON () VCC = 1.8V
1.0 0.9 0.8 0.7 RON () TA = +85C
1000
ON IX, IY, IZ (pA) 100 OFF
1.4 1.2 1.0 0.8 0.6
VCC = 2.0V VCC = 2.5V VCC = 2.7V VCC = 3.0V
0.6 0.5 0.4 0.3 0.2 TA = +25C TA = -40C
10
VCC = 3.3V 0.4 0
VCC = 3.6V
0.1 0 0
VCC = 3.0V 1 0.5 1.0 1.5 2.0 2.5 3.0 -40 -15 10 35 60 85 VX, VY, VZ (V) TEMPERATURE (C)
0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 VX, VY, VZ (V)
CHARGE INJECTION vs. VX, VY, VZ
MAX4781 toc04
SUPPLY CURRENT vs. TEMPERATURE
MAX4781 toc05
LOGIC THRESHOLD vs. SUPPLY VOLTAGE
MAX4781 toc06
60 40 CHARGE INJECTION (pC) 20 0 VCC = 1.8V
1000
1.2 1.1 LOGIC THRESHOLD (V) 1.0 RISING 0.9 0.8 0.7 0.6 0.5
100
TA = +85C
-20 -40 -60 -80 -100 -120 0 0.5 1.0 1.5 2.0 2.5 3.0 VX, VY, VZ (V) VCC = 3.0V
ICC (nA)
10 TA = +25C 1
FALLING
0.1 0.01 1.6 2.0 2.4
TA = -40C
2.8
3.2
3.6
1.6
2.1
2.6
3.1
3.6
VCC (V)
SUPPLY VOLTAGE (V)
TURN-ON/TURN-OFF TIME vs. SUPPLY VOLTAGE
MAX4781 toc07
TURN-ON/TURN-OFF TIME vs. TEMPERATURE
MAX4781 toc08
25
14 12 10 tON
20
TIME (ns)
tON
TIME (ns)
15
8 6 tOFF 4 2
10 tOFF 5
0 1.6 2.0 2.4 2.8 3.2 3.6 SUPPLY VOLTAGE (V)
0 -40 -15 10 35 TEMPERATURE (C)
VCC = 3.0V 60 85
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Typical Operating Characteristics (continued)
(GND = 0, TA = +25C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION vs. FREQUENCY
MAX4781 toc09
FREQUENCY RESPONSE
0.08 0.07 0.06 THD (%) 0.05 0.04 0.03 OFF-ISOLATION -110 100 1k 10k 100k 1M 10M 100M FREQUENCY (Hz) 0.02 10 10 -10 RESPONSE (dB) -30 -50 CROSSTALK -70 -90 ON-RESPONSE VCC = 3V
VCC = 3V 100 1k FREQUENCY (Hz) 10k 100k
MAX4781 Pin Description
PIN TSSOP 3 6 7 8 9 10 11 13, 14, 15, 12, 1, 5, 2, 4 16 QFN 1 4 5 6 7 8 9 11, 12, 13, 10, 15, 3, 16, 2 14 NAME X ENABLE N.C. GND C B A X0-X7 VCC Analog Switch Output Digital Enable Input. Normally connect to GND. Drive to logic high to set all switches off. No Connection. Not internally connected. Ground Digital Address C Input Digital Address B Input Digital Address A Input Analog Switch Inputs X0-X7 Positive Analog and Digital Supply Voltage Input FUNCTION
6
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MAX4781 toc10
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers
MAX4782 Pin Description
PIN TSSOP 1, 5, 2, 4 3 6 7 8 9 10 12, 14, 15, 11 13 16 QFN 15, 3, 16, 2 1 4 5 6 7 8 10, 12, 13, 9 11 14 NAME Y0-Y3 Y ENABLE N.C. GND B A X0-X3 X VCC Analog Switch Y Inputs Y0-Y3 Analog Switch Y Output Digital Enable Input. Normally connect to GND. Drive to logic high to set all switches off. No Connection. Not internally connected. Ground Digital Address B Input Digital Address A Input Analog Switch X Inputs X0-X3 Analog Switch X Output Positive Analog and Digital Supply Voltage Input FUNCTION
MAX4781/MAX4782/MAX4783
MAX4783 Pin Description
PIN TSSOP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 QFN 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NAME Y1 Y0 Z1 Z Z0 ENABLE N.C. GND C B A X0 X1 X Y VCC FUNCTION Analog Switch Y Normally Open Input Analog Switch Y Normally Closed Input Analog Switch Z Normally Open Input Analog Switch Z Output Analog Switch Z Normally Closed Input Digital Enable Input. Normally connect to GND. Drive to logic high to set all switches off. No Connection. Not internally connected. Ground Digital Address C Input Digital Address B Input Digital Address A Input Analog Switch X Normally Closed Input Analog Switch X Normally Open Input Analog Switch X Output Analog Switch Y Output Positive Analog and Digital Supply Voltage Input
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7
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Applications Information
Power-Supply Considerations
Overview The MAX4781/MAX4782/MAX4783 construction is typical of most CMOS analog switches. There are two supply inputs: VCC and GND. VCC and GND drive the internal CMOS switches and set the limits of the analog voltage on any switch. Internal reverse ESD-protection diodes are connected between each analog signal input and both VCC and GND. If any analog signal exceeds VCC or GND, one of these diodes conducts. During normal operation, these and other reverse-biased ESD diodes leak, forming the only current drawn from VCC or GND. Virtually all the analog leakage current comes from the ESD diodes. Although the ESD diodes on a given signal input are identical and therefore fairly well balanced, they are reverse-biased differently. Each diode is biased by either VCC or GND and the analog signal. Their leakages vary as the signal varies. The difference in the two diodes' leakages to VCC and GND constitutes the analog-signal-path leakage current. All analog leakage current flows between each input and one of the supply terminals, not to the other switch terminal. Both sides of a given switch can show leakage currents of either the same or opposite polarity. VCC and GND power the internal logic and set the input logic limits. Logic inputs have ESD-protection diodes to ground. Power Supply The MAX4781/MAX4782/MAX4783 operate from a single supply between +1.6V and +3.6V. Switch on-resistance increases as the supply voltage is lowered.
High-Frequency Performance
In 50 systems, signal response is reasonably flat up to 50MHz (see the Typical Operating Characteristics). Above 20MHz, the on-response has several minor peaks that are highly layout dependent. In the off state, the switch acts like a capacitor and passes higher frequencies with less attenuation. At 10MHz, off-isolation is approximately -50dB in 50 systems, becoming worse (approximately 20dB per decade) as frequency increases. Higher circuit impedance also degrades offisolation. Adjacent channel attenuation is approximately 3dB above that of a bare IC socket and is entirely because of capacitive coupling.
Pin Nomenclature
The MAX4781/MAX4782/MAX4783 are pin compatible with the industry-standard 74HC4051/74HC4052/ 74HC4053 and the MAX4617/MAX4618/MAX4619. In single-supply applications, they function identically and have identical logic diagrams, although these parts differ electrically. The pin designations and logic diagrams in this data sheet conform to the original 1972 specifications published by RCA for the CD4051/ CD4052/CD4053. These designations differ from the standard Maxim switch and mux designations found on other Maxim data sheets such as the MAX4051/ MAX4052/MAX4053. Designers who are more comfortable with Maxim's standard designations are advised that the pin designations and logic diagrams on the MAX4051/MAX4052/MAX4053 data sheet can be applied to the MAX4781/MAX4782/MAX4783.
8
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Table 1. Truth Table/Switch Programming
ENABLE INPUT H L SELECT INPUT C* L B L A L MAX4781 All switches open X-X0 ON SWITCHES MAX4782 All switches open X-X0 Y-Y0 MAX4783 All switches open X-X0 Y-Y0 Z-Z0 X-X1 Y-Y0 Z-Z0 X-X0 Y-Y1 Z-Z0 X-X1 Y-Y1 Z-Z0 X-X0 Y-Y0 Z-Z1 X-X1 Y-Y0 Z-Z1 X-X0 Y-Y1 Z-Z1 X-X1 Y-Y1 Z-Z1
L
L
L
H
X-X1
X-X1 Y-Y1
L
L
H
L
X-X2
X-X2 Y-Y2
L
L
H
H
X-X3
X-X3 Y-Y3
L
H
L
L
X-X4
X-X0 Y-Y0
L
H
L
H
X-X5
X-X1 Y-Y1
L
H
H
L
X-X6
X-X2 Y-Y2
L
H
H
H
X-X7
X-X3 Y-Y3
= Don't care. *Not present on MAX4782. Note: Input and output pins are identical and interchangeable. Either can be considered an input or output. Signals pass equally well in either direction.
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9
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Test Circuits/Timing Diagrams
VCC VCC VENABLE X0 X1-X7 VCC
VCC 50% 0 VX0
A B C VENABLE
90%
MAX4781
ENABLE GND 50 X 35pF 0 tOFF VOUT VOUT
90%
tON
VCC VCC VENABLE X0, Y0 VCC VCC 0 VX0, VY0 50%
A B
X1, X2, X3, Y1, Y2, Y3
90%
MAX4782
VENABLE ENABLE GND 50 X, Y 35pF VOUT VOUT 0 tOFF
90%
tON
VCC VCC VENABLE X1, Y1, Z1 X0, Y0, Z0 VCC VCC 50% 0 VX0, VY0, VZ0 VOUT 35pF 50 VOUT VX1, VY1, VZ1
A B C
90% 90%
VENABLE
MAX4783
ENABLE GND X, Y, Z
tOFF
tON
TEST EACH SECTION INDIVIDUALLY.
Figure 1. Enable Switching Times
10
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers
Test Circuits/Timing Diagrams (continued)
VCC VA, VB, VC A B C VCC VA, VB, VC X0 VCC tR < 5ns tF < 5ns 50%
MAX4781/MAX4782/MAX4783
VCC 0 VX0
MAX4781 X1-X7
X GND 50 35pF VOUT VOUT
90% ENABLE
VX7 tTRANS
10% tTRANS
VCC V A, V B VCC VA, VB X0, Y0 VCC VCC 0 VX0, VY0 50%
A B
X1, X2, Y1, Y2, X3, Y3
90%
MAX4782
ENABLE GND 50 X, Y 35pF VOUT VOUT VX3, VY3 tTRANS 10% tTRANS
VCC VA, VB, VC VCC A B C X1, Y1, Z1 VA, VB, VC VCC 0 VX0, VY0, VZ0 VOUT 35pF 50 VOUT VX1, VY1, VZ1 tTRANS 10% 50%
MAX4783
X0, Y0, Z0 VCC X, Y, Z GND
90%
ENABLE
tTRANS
TEST EACH SECTION INDIVIDUALLY.
Figure 2. Address Transition Times
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11
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Test Circuits/Timing Diagrams (continued)
VCC VA, VB, VC A B C VCC VA, VB X0-X7 VCC A B VCC VCC X0-X3, Y0-Y3
VCC
MAX4781
ENABLE GND 50 X 35pF VOUT ENABLE
MAX4782
X, Y GND 50 35pF VOUT
VCC VA, VB, VC A B C VCC X0, X1, Y0, Y1, Z0, Z1 VCC VA, VB, VC 0 VX, VY, VZ 90% X, Y, Z GND 50 35pF VOUT VOUT 0 TEST EACH SECTION INDIVIDUALLY. tBBM V+ 50% tR < 5ns tF < 5ns
MAX4783
ENABLE
Figure 3. Break-Before-Make Interval
VCC VCC A CHANNEL SELECT B C VENABLE X_, Y_, Z_ VCC VENABLE 0
MAX4781 MAX4782 MAX4783
X, Y, Z GND VOUT CL 1000pF
VOUT
VOUT
ENABLE
VOUT IS THE MEASURED VOLTAGE DUE TO CHARGETRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF. TEST EACH SECTION INDIVIDUALLY. Q = VOUT CL
Figure 4. Charge Injection
12
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers
Test Circuits/Timing Diagrams (continued)
VCC 10nF NETWORK ANALYZER 50 50
MAX4781/MAX4782/MAX4783
A CHANNEL SELECT B C
VCC
VIN X_, Y_, Z_
OFF-ISOLATION = 20log
VOUT VIN VOUT VIN VOUT VIN
MAX4781 MAX4782 MAX4783
X, Y, Z GND
ON-LOSS = 20log VOUT MEAS. REF. CROSSTALK = 20log 50 50
ENABLE
NOTES: MEASUREMENTS ARE STANDARDIZED AGAINST SHORT AT SOCKET TERMINALS. OFF-ISOLATION IS MEASURED BETWEEN COM AND "OFF" NO TERMINAL ON EACH SWITCH. ON-LOSS IS MEASURED BETWEEN COM AND "ON" NO TERMINAL ON EACH SWITCH. CROSSTALK IS MEASURED BETWEEN ADJACENT CHANNELS WITH ONE CHANNEL ON AND THE OTHER OFF. SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
Figure 5. Off-Isolation, On-Loss, and Crosstalk
VCC
A CHANNEL SELECT B C
VCC
X_, Y_, Z_
ENABLE
MAX4781 MAX4782 MAX4783
GND
X, Y, Z
1MHz CAPACITANCE ANALYZER
Figure 6. Capacitance
Chip Information
TRANSISTOR COUNT: 659 PROCESS: CMOS
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13
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Pin Configurations/Functional Diagrams (continued)
MAX4782 TOP VIEW Y2 16 Y0 15 VCC 14 X2 Y0 13 Y2 Y 1 12 X1 Y Y3 2 11 X Y3 Y1 Y1 3 10 X0 ENABLE ENABLE 4 LOGIC 9 X3 N.C. 7 B 8 A TSSOP GND 7 8 MAX4782 N.C. GND 4mm 4mm QFN LOGIC 10 9 A B 6 11 X3 3 14 X1 2 15 X2 1 16 VCC
4 5
13 12
X X0
5
6
MAX4783 TOP VIEW Y0 16 Y1 15 Vcc 14 Y Y1 13 Y0 Z1 1 12 X Z1 Z 2 11 X1 Z Z0 ENABLE ENABLE 4 9 A N.C. 5 N.C. 6 GND 7 8 B TSSOP GND 7 8 10 9 B C 3 14 X 2 15 1 MAX4783 16 VCC Y
4 5
13 12
X1 X0 A
Z0
3
10
X0
6
11
C 4mm 4mm QFN
14
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High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
TSSOP,NO PADS.EPS
MAX4781/MAX4782/MAX4783
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15
High-Speed, Low-Voltage, 1 CMOS Analog Switches/Multiplexers MAX4781/MAX4782/MAX4783
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
12,16,20, 24L QFN.EPS
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.
16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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