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DG9408/9409
New Product
Vishay Siliconix
Precision 8-Ch/Dual 4-Ch Low Voltage Analog Multiplexers
FEATURES
D 2.7-to 12-V Single Supply or "3- to "6-V Dual Supply Operation D Low On-Resistance--rON: 3.9 W Typ. D Fast Switching: tON -- 42 ns, tOFF -- 24 ns D Break-Before-Make Guaranteed D Low Leakage D TTL, CMOS, LV Logic (3 V) Compatible D 2000-V ESD Protection (HBM)
BENEFITS
D D D D High Accuracy Single and Dual Power Rail Capacity Wide Operating Voltage Range Simple Logic Interface
APPLICATIONS
D D D D D D D Data Acquisition Systems Battery Operated Equipment Portable Test Equipment Sample and Hold Circuits Communication Systems SDSL, DSLAM Audio and Video Signal Routing
DESCRIPTION
The DG9408/9409 uses BiCMOS wafer fabrication technology that allows the DG9408/9409 to operate on single and dual supplies. Single supply voltage ranges from 3- to 12-V while dual supply operation is recommended with "3 to "6 V. The DG9408 is an 8-channel single-ended analog multiplexer designed to connect one of eight inputs to a common output as determined by a 3-bit binary address (A0, A1, A2). The DG9409 is a dual 4-channel differential analog multiplexer designed to connect one of four differential inputs to a common dual output as determined by its 2-bit binary address (A0, A1). Break-before-make switching action to protect against momentary crosstalk between adjacent channels.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG9408
QFN16 S1 16 A2 15 V14 D 13 S1b 16
DG9409
QFN16 Db 15 V14 Da 13
S2 GND S3 S4
1 2 3 4
12 11 10 9
S5 S6 EN S7
S2b GND S3b S4b
1 2 3 4
12 11 10 9
S1a S2a EN S3a
Decoder/Driver
Decoder/Driver
5 A0
6 V+
7 A1
8 S8
5 A0
6 V+
7 A1
8 S4a
Top View
Top View
Document Number: 71870 S-21060--Rev. A, 05-Aug-02
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DG9408/9409
Vishay Siliconix
New Product
TRUTH TABLES AND ORDERING INFORMATION
TRUTH TABLE
A2
X 0 0 0 0 1 1 1 1
DG9408
EN
1 0 0 0 0 0 0 0 0
TRUTH TABLE
A1
X 0 0 1 1
DG9409
On Switch
None 1 2 3 4
A1
X 0 0 1 1 0 0 1 1
A0
X 0 1 0 1 0 1 0 1
On Switch
None 1 2 3 4 5 6 7 8
A0
X 0 1 0 1
EN
1 0 0 0 0
X = Don't Care
For low and high voltage levels for VAX and VEN consult "Digital Control" Parameters for Specific V+ operation. See Specifications Tables for: Single Supply 12 V Dual Supply V+ = 5 V, V- = -5 V Single Supply 5 V Single Supply 3 V
ORDERING INFORMATION
Temp Range
-40 to 85_C
DG9408
Part Number
DG9408DN
ORDERING INFORMATION
Temp Range
-40 to 85_C
DG9409
Part Number
DG9409DN
Package
16-Pin QFN (4x4 mm)
Package
16- Pin QFN (4x4 mm)
ABSOLUTE MAXIMUM RATINGS
Voltage Referenced to VV+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Digital Inputsa, VS, VD . . . . . . . . . . . . . . . . . . . . . . . (V-) -0.3 V to (V+) +0.3 V Current (Any Terminal Except S or D) . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA Continuous Current, S or D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA Peak Current, S or D (Pulsed at 1 ms, 10% Duty Cycle Max) . . . . . . . . . . . . . . . . . . . . . . . . . 200 mA Package Solder Reflow Conditionsd 16-Pin (4x4 mm) QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240_C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150_C Power Dissipation (Package)b, (TA = 70_C) 16-Pin (4x4 mm) QFNc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1880 mW Notes a. Signals on SX, DX or INX exceeding V+ or V- will be clamped by internal diodes. Limit forward diode current to maximum current ratings. b. All leads soldered or welded to PC board. c. Derate 23.5 mW/_C above 70_C. d. Manual soldering with soldering iron is not recommended for leadless components. The QFN is a leadless package. The end of the lead terminal is exposed copper (not plated) as a result of the singulation process in manufacturing. A solder fillet at the exposed copper lip cannot be guaranteed and is not required to ensure adequate bottom side solder interconnection.
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Document Number: 71870 S-21060--Rev. A, 05-Aug-02
DG9408/9409
New Product
Vishay Siliconix
SPECIFICATIONS (SINGLE SUPPLY 12 V)
Test Conditions Unless Otherwise Specified Parameter Analog Switch
Analog Signal Rangee On-Resistance rON Match Between Channelsg On-Resistance Flatnessi VANALOG rON DrON rON Flatness IS(off) Switch Off Leakage Current ID(off) Channel On Leakage Current ID(on) VEN = 0 V, VS = VD = 1 V or 11 V VEN = 2.4 V, VD = 11 V or 1 V, VS = 1 V or 11 V V+ = 10.8 V, VD = 2 V or 9 V, IS = 50 mA V+ = 10.8 V, VD = 2 V or 9 V, IS = 50 mA Sequence Each Switch On Full Room Full Room Room Room Full Room Full Room Full -2 -15 -2 -15 -2 -15 0 4 12 7 7.5 3.6 8 2 15 2 15 2 15 nA W V
Limits
-40 to 85_C
Symbol
V+ = 12 V, "10%, V- = 0 V VA, VEN = 0.8 V or 2.4 Vf
Tempb Minc
Typd
Maxc
Unit
Digital Control
Logic High Input Voltage Logic Low Input Voltage Input Current VINH VINL IIN VAX = VEN = 2.4 V or 0.8 V Full Full Full -1 2.4 V 0.8 1 mA
Dynamic Characteristics
Transition Time tTRANS tBBM tON(EN) tOFF(EN) Q OIRR XTALK CS(off) VS1 = 8 V, VS8 = 0 V, (DG9408) VS1b = 8 V, VS4b = 0 V, (DG9409) See Figure 2 VS(all) = VDA = 5 V See Figure 4 VAX = 0 V, VS1 = 5 V (DG9408) VAX = 0 V, VS1b = 5 V (DG9409) See Figure 3 CL = 1 nF, VGEN = 0 V, RGEN = 0 W f = 100 kHz, RL = 1 kW W DG9408 Source Off Capacitancee f = 1 MHz, VS = 0 V, VEN = 2.4 V DG9409 DG9408 Drain Off Capacitancee CD(off) f = 1 MHz, VD = 0 V, VEN = 2.4 V DG9409 DG9408 Drain On Capacitancee CD(on) f = 1 MHz, VD = 0 V, VEN = 0 V DG9409 Room Full Room Full Room Full Room Full Room Room Room Room Room Room Room Room Room 2 42 71 75
Break-Before-Make Time Enable Turn-On Time Enable Turn-Off Time Charge Injectione Off Isolatione, h Crosstalke
24 ns 42 24 29 -80 -85 21 23 211 112 238 137 pF dB 70 75 44 46 pC
Power Supplies
Power Supply Current I+ VEN = VA = 0 V or V+ Room 1.0 mA
Document Number: 71870 S-21060--Rev. A, 05-Aug-02
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DG9408/9409
Vishay Siliconix
New Product
SPECIFICATIONS (DUAL SUPPLY V+ = 5 V, V- = -5 V)
Test Conditions Unless Otherwise Specified Parameter Analog Switch
Analog Signal Rangee On-Resistance rON Match Between Channelsg On-Resistance Flatnessi VANALOG rON DrON rON Flatness IS(off) Switch Off Leakage Current a ID(off) Channel On Leakage Current a ID(on) V+ = 5.5 V, V- = -5.5 V VEN = 2.4 V, VD = "4.5 V, VS = #4.5 V V+ = 5.5 V, V- = -5.5 V VEN = 0 V, VD = "4.5 V, VS = #4.5 V V+ = 4.5 V, V- = -4.5 V, VD = "3.5 V, IS = 50 mA V+ = 4.5 V, V- = -4.5 V, VD = "3.5 V, IS = 50 mA Sequence Each Switch On Full Room Full Room Room Room Full Room Full Room Full -2 -15 -2 -15 -2 -15 -5 5 5 8 8.5 3.6 8.2 2 15 2 15 2 15 nA W V
Limits
-40 to 85_C
Symbol
V+ = 5 V, V- = -5 V "10% VA, VEN = 0.8 V or 2.0 Vf
Tempb Minc
Typd
Maxc
Unit
Digital Control
Logic High Input Voltage Logic Low Input Voltage Input Currenta VINH VINL IIN VAX = VEN = 2.0 V or 0.8 V Full Full Full -1 2.0 V 0.8 1 mA
Dynamic Characteristics
Transition Timee Break-Before-Make Timee Enable Turn-On Enable Turn-Off Timee Timee tTRANS tBBM tON(EN) tOFF(EN) CS(off) VS1 = 3.5 V, VS8 = -3.5 V, (DG9408) VS1b = 3.5 V, VS4b = -3.5 V, (DG9409) See Figure 2 VS(all) = VDA = 3.5 V See Figure 4 VAX = 0 V, VS1 = 3.5 V (DG9408) VAX = 0 V, VS1b = 3.5 V (DG9409) See Figure 3 DG9408 Source Off Capacitancee f = 1 MHz, VS = 0 V, VEN = 2.0 V DG9409 DG9408 Drain Off Capacitancee CD(off) f = 1 MHz, VD = 0 V, VEN =2. 0 V DG9409 DG9408 Drain On Capacitancee CD(on) f = 1 MHz, VD = 0 V, VEN = 0 V DG9409 Room Full Room Full Room Full Room Full Room Room Room Room Room Room 1 68 89 94
16 ns 68 58 23 23 223 113 246 137 pF 88 94 78 81
Power Supplies
I+ Power Supply Current IVEN = VA = 0 V or V+ Room Room -1.0 1.0 mA m
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Document Number: 71870 S-21060--Rev. A, 05-Aug-02
DG9408/9409
New Product
Vishay Siliconix
SPECIFICATIONS (SINGLE SUPPLY 5 V)
Test Conditions Unless Otherwise Specified Parameter Analog Switch
Analog Signal Rangee On-Resistance rON Match Between Channelsg On-Resistance Flatnessi VANALOG rON DrON rON Flatness IS(off) Switch Off Leakage Current a ID(off) Channel On Leakage Currenta ID(on) V+ = 5.5 V VS = 1 V or 4 V, VD = 4 V or 1 V V+ = 5.5 V VD = VS = 1 V or 4 V, Sequence Each Switch On V+ = 4.5 V, VD = 1 V or 3.5 V, IS = 50 mA V+ = 4.5 V, VD or VS = 1 V or 3.5 V, IS = 50 mA Full Room Full Room Room Room Full Room Full Room Full -2 -15 -2 -15 -2 -15 0 7 5 10.5 11 3.6 9 2 15 2 15 2 15 nA W V
Limits
-40 to 85_C
Symbol
V+ = 5 V, "10%, V- = 0 V VA, VEN = 0.8 V or 2.0 Vf
Tempb Minc
Typd
Maxc
Unit
Digital Control
Logic High Input Voltage Logic Low Input Voltage Input Currenta VINH VINL IIN VAX = VEN = 2.0 V or 0.8 V Full V+ = 5 V Full Full -1 0.8 1 mA 2.0 V
Dynamic Characteristics
Transition Timee Break-Before-Make Timee Enable Turn-On Enable Turn-Off Timee Timee tTRANS tOPEN tON(EN) tOFF(EN) Q OIRR XTALK CS(off) VS1 = 3.5 V, VS8 = 0 V, (DG9408) VS1b = 3.5 V, VS4b = 0 V, (DG9409) See Figure 2 VS(all) = VDA = 3.5 V See Figure 4 VAX = 0 V, VS1 = 3.5 V (DG9408) VAX = 0 V, VS1b = 3.5 V (DG9409) See Figure 3 CL = 1 nF, RGEN = 0 W, VGEN = 0 V RL = 1 kW, f = 100 kHz W DG9408 Source Off Capacitancee f = 1 MHz, VS = 0 V, VEN = 0 V DG9409 DG9408 Drain Off Capacitancee CD(off) f = 1 MHz, VD = 0 V, VEN = 2.0 V DG9409 DG9408 Drain On Capacitancee CD(on) f = 1 MHz, VD = 0 V, VEN = 0 V DG9409 Room Full Room Full Room Full Room Full Room Room Room Room Room Room Room Room Room 2 73 94 104
29 ns 74 38 20 -81 -85 22 24 223 113 244 143 pF dB 94 104 57 61 pC
Charge Injectione Off Isolatione, h
Crosstalke
Power Supplies
Power Supply Current I+ VEN = VA = 0 V or V+ Room 1.0 mA
Document Number: 71870 S-21060--Rev. A, 05-Aug-02
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DG9408/9409
Vishay Siliconix
SPECIFICATIONS (SINGLE SUPPLY 3 V)
Test Conditions Unless Otherwise Specified Parameter Analog Switch
Analog Signal Rangee On-Resistance rON Match Between Channelsg On-Resistance Flatnessi VANALOG rON DrON rON Flatness IS(off) Switch Off Leakage Current a ID(off) Channel On Leakage Currenta ID(on) V+ = 3.3 V VS = 2 or 1 V, VD = 1 or 2 V V+ = 3.3 V VD = VS = 1 or 2 V, Sequence Each Switch On V+ = "2.7 V, VD = 0.5 V or 2.2 V, IS = 5 mA V+ = 2.7 V, VD = 0.5 or 2.2 V, IS = 5 mA Full Room Full Room Room Room Full Room Full Room Full -2 -15 -2 -15 -2 -15 0 12 3 25.5 26.5 3.6 13 2 15 2 15 2 15 nA W V
New Product
Limits
-40 to 85_C
Symbol
V+ = 3 V, "10%, V- = 0 V VEN = 0.4 V or 1.8 Vf
Tempb Minc
Typd
Maxc
Unit
Digital Control
Logic High Input Voltage Logic Low Input Voltage Input Current a VINH VINL IIN VAX = VEN = 1.8 V or 0.4 V Full Full Full -1 1.8 0.4 1 V mA
Dynamic Characteristics
Transition Time tTRANS tBBM tON(EN) tOFF(EN) Q OIRR XTALK CS(off) VS1 = 1.5 V, VS8 = 0 V, (DG9408) VS1b = 1.5 V, VS4b = 0 V, (DG9409) See Figure 2 VS(all) = VDA = 1.5 V See Figure 4 VAX = 0 V, VS1 = 1.5 V (DG9408) VAX = 0 V, VS1b = 1.5 V (DG9409) See Figure 3 CL = 1 nF, RGEN = 0 W, VGEN = 0 V f = 100 kHz, RL = 1 kW W DG9408 Source Off Capacitancee f = 1 MHz, VS = 0 V, VEN = 1.8 V DG9409 DG9408 Drain Off Capacitancee CD(off) f = 1 MHz, VD = 0 V, VEN = 1.8 V DG9409 DG9408 Drain On Capacitancee CD(on) f = 1 MHz, VD = 0 V, VEN = 0 V DG9409 Room Full Room Full Room Full Room Full Room Room Room Room Room Room Room Room Room 2 140 165 182
Break-Before-Make Time Enable Turn-On Time Enable Turn-Off Time Charge Injectione Off Isolatione, h Crosstalke
63 ns 140 76 7 -81 -85 23 25 230 120 256 147 pF dB 162 178 97 104 pC
Power Supplies
Power Supply Current I+ VEN = VA = 0 V or V+ Room 1.0 mA
Notes a. Leakage parameters are guaranteed by worst case test condition and not subject to production test. b. Room = 25_C, Full = as determined by the operating temperature suffix. c. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. d. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. e. Guaranteed by design, not subject to production test. f. VIN = input voltage to perform proper function. g. DrDON = rDON Max - rDON Min. h. Worst case isolation occurs on Channel 4 do to proximity to the drain pin. i. rDON flatness is measured as the difference between the minimum and maximum measured values across a defined Analog signal.
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Document Number: 71870 S-21060--Rev. A, 05-Aug-02
DG9408/9409
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
1
Vishay Siliconix
rON vs. VCOM and Single Supply Voltage
16 T = 25_C 14 r ON - On-Resistance ( W ) V+ = 3.0 V IS = 5 mA r ON - On-Resistance ( W ) 12 10 8 6 4 2 0 0 3 6 9 12 VCOM -- Analog Voltage (V) V+ = 12.0 V IS = 50 mA 14 12 10 8 6 4 2 0 0 16
rON vs. Analog Voltage and Temperature
A = 85_C B = 25_C C = -40_C
V+ = 3.0 V IS = 5 mA A B C V+ = 5.0 V IS = 50 mA A B C
V+ = 5.0 V IS = 50 mA
V+ = 12.0 V IS = 50 mA A B C
2
4
6
8
10
12
VCOM -- Analog Voltage (V)
12
rON vs. Analog Voltage and Temperature
V" = "5 V IS = 50 mA A = 85_C B = 25_C C = -40_C I+ - Supply Current (pA)
Supply Current vs. Temperature
10000 VAX, VEN = 0 V 1000
10 r ON - On-Resistance ( W )
8
6 A 4 B C
100
V+ = 12 V V- = 0 V V+ = 5 V V- = -5 V
10
2
0 -5 -3 -1 1 3 5 VCOM -- Analog Voltage (V)
1 -60
-40
-20
0
20
40
60
80
100
Temperature (_C)
Leakage Current vs. Analog Voltage
100 INO(off)/INC(off) 0 Leakage Current (pA) Leakage Current (pA) 20
Leakage Current vs. Analog Voltage
INO(off)/INC(off) 0 -20 -40 -60 -80 ICOM(off)
-100 ICOM(off) ICOM(on) -300 V+ = 12 V V- = 0 V
-200
ICOM(on)
-400
-100 -120
V+ = 5 V V- = -5 V
-500 0 2 4 6 8 10 12
-5
-3
-1
1
3
5
VCOM, VNO, VNC - Analog Voltage Document Number: 71870 S-21060--Rev. A, 05-Aug-02
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DG9408/9409
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Switching Time vs. Temperature and Single Supply Voltage
160 140 120 Transistion Time (ns) 100 80 60 tON V+ = 12 V 40 20 tOFF V+ = 12 V 0 -60 -40 -20 0 20 40 60 80 100 0 -60 -40 -20 0 20 40 60 80 100 tOFF V+ = 5 V 30 tOFF V+ = 3 V tON V+ = 5 V 120 tTRANS- V+ = 5 V tTRANS+ V+ = 5 V 60 tTRANS- V+ = 12 V tTRANS+ V+ = 12 V tON V+ = 3 V 150 tTRANS+ V+ = 3 V 180 tTRANS- V+ = 3 V
Transition Time vs. Temperature and Single Supply Voltage
90
Temperature (_C)
Temperature (_C)
Leakage Current vs. Temperature
10000 V+ = 5 V V- = -5 V 1000 Leakage Current (pA) INO(off), INC(off) V T - Switching Threshold (V) 3.0
Switching Threshold vs. Supply Voltage
2.5
2.0
100
1.5
ICOM(on) 10 ICOM(off) 1 -60 -40 -20 0 20 40 60 80 100
1.0
0.5
0.0 2 4 6 8 10 12 14 Temperature (_C) V+ - Supply Voltage (V)
Insertion Loss, Off Isolation and Crosstalk vs. Frequency (DG9408)
10 0 Insertion Loss Loss, OIRR, XTALK (dB) Loss, OIRR, XTALK (dB) -10 -20 -30 -40 -50 -60 -70 -80 -90 100 K 1M 10 M Frequency (Hz) 100 M 1G Crosstalk V+ = 12 V V- = 0 V RL = 50 W OIRR -10 -20 -30 -40 -50 -60 -70 -80 -90 10 0
Insertion Loss, Off Isolation and Crosstalk vs. Frequency (DG9404)
Insertion Loss
OIRR
Crosstalk V+ = 12 V V- = 0 V RL = 50 W 1M 10 M Frequency (Hz) Document Number: 71870 S-21060--Rev. A, 05-Aug-02 100 M 1G
100 K
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DG9408/9409
New Product
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
1
Supply Current vs. Input Switching Frequency
100 m 10 m I+ - Supply Current (A) 1m 100 m 10 m 1m 100 n 10 n 1n 10 100 1K 10 K 100 K 1M 10 M V+ = 5 V V- = -5 V
Input Switching Frequency (Hz)
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
V+
D A0 V+ AX Level Shift Decode/ Drive V-
S1 V+ EN GND VSn
FIGURE 1.
Document Number: 71870 S-21060--Rev. A, 05-Aug-02
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DG9408/9409
Vishay Siliconix
TEST CIRCUITS
V+
New Product
V+ A2 A1 50 W A0 S1 S2 - S7 VS1 Logic Input VS8 VO 300 W VV+ VS8 V+ A1 A0 50 W EN GND V300 W V35 pF S1b S1a - S4a, Da VS1b tTRANS S1 ON S8 ON (DG9408) or S4 ON (DG9409) 35 pF VS1 Switch Output VO 50% 90% 90% VAX 3V 50% 0V tr <5 ns tf <5 ns
DG9408
EN GND V-
S8 D
DG9409 S4b
Db
VS4b VO Return to Specifications: Single Supply 12 V Dual Supply V+ = 5 V, V- = -5 V Single Supply 5 V Single Supply 3 V
tTRANS
V+
FIGURE 2. Transition Time
V+ EN A0 A1 A2 GND 50 W VV+ Switch Output V+ EN A0 A1 GND 50 W VS1b S1a - S4a, Da S2b - S4b VS1 VO 90% VO VS1 S2 - S8 VS1
DG9408
D 300 W VO 35 pF Logic Input 3V 50% 0V tOFF(EN) 0V tON(EN) 90% tr <5 ns tf <5 ns
Return to Specifications: Single Supply 12 V VO 35 pF Dual Supply V+ = 5 V, V- = -5 V Single Supply 5 V Single Supply 3 V
DG9409
Db V300 W
FIGURE 3. Enable Switching Time
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Document Number: 71870 S-21060--Rev. A, 05-Aug-02
DG9408/9409
New Product
TEST CIRCUITS
Vishay Siliconix
V+ EN All S and Da A0 A1 A2 GND 50 W VS1
Logic Input
3V 50% 0V
tr <5 ns tf <5 ns
DG9408 DG9409
Db, D V300 W Switch Output 35 pF VO 0V tOPEN VO VS 90%
V-
Return to Specifications:
FIGURE 4. Break-Before-Make Interval
Single Supply 12 V Dual Supply V+ = 5 V, V- = -5 V Single Supply 5 V Single Supply 3 V
V+
Rg SX EN Vg Channel Select A0 A1 A2 GND
V+ Logic Input D VO CL 1 nF VSwitch Output
3V OFF 0V ON OFF
DVO DVO is the measured voltage due to charge transfer error Q, when the channel turns off. Q = CL x DVO
V-
FIGURE 5. Charge Injection
V+
V+
VIN Rg = 50 W
SX S8 A0 A1 A2 GND
V+
EN VIN RIN 50 W Rg = 50 W VRL 50 W
S1 SX S8 A0 A1 A2 GND
V+
D
VOUT
D RL 50 W
VOUT
EN
V-
VOff Isolation = 20 log VOUT VIN
VCrosstalk = 20 log
VOUT VIN
FIGURE 6. Off Isolation
FIGURE 7. Crosstalk
Document Number: 71870 S-21060--Rev. A, 05-Aug-02
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DG9408/9409
Vishay Siliconix
TEST CIRCUITS
V+ V+
New Product
VIN Rg = 50 W
S1
V+ A2
V+
S1 Meter S8 HP4192A Impedance Analyzer or Equivalent f = 1 MHz
A0 A1 A2 GND EN V-
D
VOUT RL 50 W
Channel Select
A1 A0
D GND EN V-
VInsertion Loss = 20 log
VOUT VIN
V-
FIGURE 8. Insertion Loss
FIGURE 9. Source Drain Capacitance
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Document Number: 71870 S-21060--Rev. A, 05-Aug-02

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