DG183 TEMICs, DG183 Datasheet

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DG183

Manufacturer Part Number
DG183
Description
High-Speed Drivers with Dual DPST JFET Switches
Manufacturer
TEMICs
Datasheet

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Description
The DG183/184/185 are precision dual double-pole,
single-throw (DPST) analog switches designed to provide
accurate switching of video and audio signals. This series
is ideally suited for applications requiring a constant
on-resistance over the entire analog range.
The major difference in the devices is the on-resistance
(DG183—10
errors are achieved through low leakage current (I
< 2 nA). Applications which benefit from the flat JFET
Functional Block Diagram and Pin Configuration
Updates to this data sheet may be obtained via facsimile by calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70032.
High-Speed Drivers with Dual DPST JFET Switches
Siliconix
S-52895—Rev. D, 16-Jun-97
Features
Constant On-Resistance Over
Entire Analog Range
Low Leakage
Low Crosstalk
Break-Before-Make Switching
Rad Hardness
NC
NC
D
D
D
D
S
S
1
3
3
4
4
2
, DG184—30
Dual-In-Line
, DG185—75
S
IN
V–
V
V
V+
IN
S
1
2
R
L
1
2
Benefits
Low Distortion
Eliminates Large Signal Errors
High Precision
Improved Channel Isolation
Eliminates Inadvertent Shorting
Between Channels
Fault Protection
Logic
0
1
Reduced
Logic “0”
Logic 0
Logic “1”
Logic “1”
Truth Table
D(on)
IN
V+
V
D
D
S
S
L
4
4
2
2
2
0.8 V
0.8 V
2.0 V
2 0 V
on-resistance include audio switching, video switching, and
data acquisition.
To achieve fast and accurate switch performance, each
device comprises four n-channel JFET transistors and a
TTL compatible bipolar driver. In the on state, each switch
conducts current equally well in either direction. In the off
condition, the switches will block up to 20 V peak-to-peak,
with feedthrough of less than –60 dB at 10 MHz.
Switch
OFF
ON
DG183/184/185
Package
Applications
Flat
Audio Switching
Precision Switching
Video Switching
Video Routing
Sample/Hold
Aerospace
S
D
D
S
IN
V–*
V
3
1
3
1
R
1
1

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DG183 Summary of contents

Page 1

... Low Leakage Low Crosstalk Break-Before-Make Switching Rad Hardness Description The DG183/184/185 are precision dual double-pole, single-throw (DPST) analog switches designed to provide accurate switching of video and audio signals. This series is ideally suited for applications requiring a constant on-resistance over the entire analog range. ...

Page 2

... V– Current ( DG183 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Schematic Diagram (Typical Channel Package Part Number DG183BP 16-Pin Sidebraze 16-Pin Sidebraze ...

Page 3

... Specifications for DG183 Unless Otherwise Specified V– = – Parameter Symbol R Analog Switch e Analog Signal Range V ANALOG Drain-Source r I DS(on) S On-Resistance V– = –20 V Source Off I I S(off) S(off) Leakage Current ...

Page 4

... DG183/184/185 a Specifications for DG184 Unless Otherwise Specified V– = – Parameter Symbol R Analog Switch e Analog Signal Range V ANALOG Drain-Source r I DS(on) S On-Resistance V– = –20 V Source Off I I S(off) S(off Leakage Current ...

Page 5

... The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. e. Guaranteed by design, not subject to production test input voltage to perform proper function. IN Siliconix S-52895—Rev. D, 16-Jun-97 DG183/184/185 Test Conditions ...

Page 6

... Temperature ( C) r vs. Temperature DS(on) 100 DG185 DG184 10 DG183 V = –7 – –50 – Temperature ( C) Leakage vs. Temperature (DG183) 100 V– = – S(off D(on) 0 Temperature ( 100 ...

Page 7

... V– = –15 V D(off (DG183 S(off) C D(on) C D(off) – – Drain or Source Voltage (V) S Off Isolation vs. Frequency DG184/185 DG183 = 220 mV RMS – Frequency (Hz) 7 ...

Page 8

... S L DS(on) a Application Hints V+ V– Positive Supply Negative Voltage Supply Voltage Switch (V) ( –15 DG183 10 –20 DG184 – –15 DG185 10 –20 12 –12 Notes: a. Application Hints are for DESIGN AID ONLY, not guaranteed and not subject to production testing. b. Electrical Parameter Chart based ...

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