CMOS Analog Switches "15-V Input Range rDS(on): Single Supply Ope

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CMOS Analog Switches "15-V Input Range rDS(on): Single Supply Ope

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DG381A/384A/387A/390A
CMOS Analog Switches
"15-V Input Range rDS(on): Single Supply Operation Function Compatible with JFET DG180 Family
Benefits
Full Rail-to-Rail Analog Signal Range Minimizes Signal Error Power Dissipation
Applications
Level Switching Circuits Programmable Gain Amplifiers Portable Battery Powered Sytems
Description
DG381A-DG390A series monolithic CMOS analog switches designed applications instrumentation, communications, process control. This series suited applications requiring fast switching nearly flat on-resistance over entire voltage range. Designed Siliconix' PLUS-40 CMOS process, these devices achieve power consumption (3.5 typical) excellent on/off switch performance. These switches ideal battery powered applications, without sacrificing switching speed. Break-before-make switching action guaranteed, epitaxial layer prevents latchup. Single supply operation allowed connecting rail Each switch conducts equally well both directions when blocks supply voltage when off. These switches CMOS quasi logic compatible.
Functional Block Diagram Configuration
DG381A
Dual-In-Line
Truth Table Logic
Logic Logic
Switch
View Updates this data sheet obtained facsimile calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70048.
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Functional Block Diagram Configuration (Cont'd)
DG384A
Dual-In-Line View
Truth Table Logic
Logic Logic
Switch
DG387A
Dual-In-Line
DG387A
Metal View
View
(Substrate Case)
Truth Table Logic
Logic Logic
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Functional Block Diagram Configuration (Cont'd)
DG390A
Dual-In-Line View
Truth Table Logic
SW1,
Logic Logic
SW3,
Ordering Information
Temp Range DG381A
70_C 125_C
Package
Part Number
14-Pin Plastic 14-Pin CerDIP
DG381ACJ DG381AAK/883
DG384A
70_C 125_C 16-Pin Plastic 16-Pin CerDIP DG384ACJ DG384AAK/883
DG387A
70_C 125_C 14-Pin Plastic 14-Pin CerDIP 10-Pin Metal DG387ACJ DG387AAK/883 DG387AAA/883
DG390A
70_C 85_C 125_C 16-Pin CerDIP 16-Pin Plastic DG390ACJ DG390ABK DG390AAK DG390AAK/883
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Absolute Maximum Ratings
Voltages Referenced Digital Inputsa, (V-) (V+) whichever occurs first Current, Terminal Except Continuous Current, (Pulsed duty cycle max) Storage Temperature (AAA, AAK, Suffix) 150_C (ACJ Suffix) 125_C Power Dissipationb 14-Pin Plastic DIPd 14-Pin CerDIPc 10-Pin Metal Cane Notes: Signals exceeding will clamped internal diodes. Limit forward diode current maximum current ratings. leads welded soldered Board. Derate mW/_C above 75_C Derate mW/_C above 25_C Derate mW/_C above 75_C
Schematic Diagram (Typical Channel)
Level Shift/ Drive
Figure
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Specificationsa
Test Conditions Unless Otherwise Specified Parameter Analog Switch
Analog Signal Rangee Drain-Source On-Resistance Source Leakage Current Drain Leakage Current Drain Leakage Current VANALOG rDS(on) IS(off) ID(off) ID(on) Full Room Full Room Room Room "0.1 "0.1 "0.1 -100 -100 -100 -100 -100 -100
Suffix Suffix
125_C 70_C 85_C
Symbol
Tempb
Typc
Mind Maxd Mind Maxd Unit
Digital Control
Input Current with Input Voltage High Input Current with Input Voltage IINH IINL Room Full Room Full Room Full -0.001 0.001 -0.001
Dynamic Characteristics
Turn-On Time Turn-Off Time Break-Before-Make Time Charge Injection Source-Off Capacitance Drain-Off Capacitance Channel-On Capacitance Input Capacitance Off-Isolation Crosstalk (Channel-to-Channel) tOFF tOPEN CS(off) CD(off) CD(on) OIRR XTALK MHz; Figure Figure 0.01 Rgen Vgen Room Room Room Room Room Room Room Room Room Room Room
Vrms,
Power Supplies
Positive Supply Current Negative Supply Current Positive Supply Current Negative Supply Current (All Inputs) (One Input) Others (All Room Full Room Full Room Full Room Full 0.23 -100 -100 -100 -100
-0.001 0.001 -0.001
Notes: Refer PROCESS OPTION FLOWCHART. Room 25_C, Full determined operating temperature suffix. Typical values DESIGN ONLY, guaranteed subject production testing. algebraic convention whereby most negative value minimum most positive maximum, used this data sheet. Guaranteed design, subject production test. input voltage perform proper function.
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Typical Characteristics
rDS(on) Drain-Source On-Resistance 25°C ±7.5 rDS(on) Drain-Source On-Resistance
rDS(on) Power Supply
rDS(on) Temperature
125_C 25_C -55_C
Drain Voltage
Drain Voltage
Charge Injection Analog Voltage (VS)
(ns)
Switching Time Break-Before-Make Time Positive Supply Voltage
25_C VINH VINL tOFF
(pC)
tOPEN DG301/303 Only
Source Voltage
Positive Supply Voltage
Input Switching Threshold Positive Supply Voltage
-15V 25_C
Supply Current Temperature
(One Input) (All Other
Positive Supply Voltage
-100
Temperature (°C)
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Typical Characteristic (Cont'd)
Isolation Crosstalk Frequency
Supply Curents Switching Frequency
Crosstalk Isolation (mA)
(dB)
Frequency (Hz)
Frequency (Hz)
Leakage Temperature
(ns) ID(on)
Switching Time Power Supply Voltage
Current
tOFF
ID(off) IS(off)
Temperature (_C)
Positive Negative Supplies
Switching Time Temperature
(ns) tOFF rDS(on) Drain-Source On-Resistance
rDS(on) Analog Positive Supply Voltage
25_C
Temperature (_C)
Positive Negative Supplies
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Test Circuits
Logic Switch (includes fixture stray capacitance) rDS(on) Switch Output tOFF Logic Input VINH
Figure Switching Time
Logic Input Switch Output
Logic Switch VINH
Switch Output
tBBM
(includes fixture stray capacitance)
Figure Break-Before-Make SPDT (DG301A, DG303A)
Figure Charge Injection
Siliconix S-52880-Rev. 28-Apr-97
DG381A/384A/387A/390A
Applications
DG381A series analog switches will switch positive analog signals while using single positive supply. This allows their applications where only supply available. trade-offs performance given while using single supplies are: increased rDS(on), slower switching speed. Typical curves designing with single supplies supplied (see Typical Characteristics). analog voltage should above below supply voltages which single operation integrator Figure controls discharge rate capacitor that pulsed continuous current ratings exceeded. During reset closed open. Opening with also open will hold integrator output present value.
Reset Start/Stop
DG381A
Figure Integrator with Reset Start/Stop
Siliconix S-52880-Rev. 28-Apr-97

CMOS Analog Switches "15-V Input Range rDS(on): Single Supply Ope

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