DG190AP/883 Vishay Intertechnology, DG190AP/883 Datasheet

DG190AP/883

Manufacturer Part Number

DG190AP/883

Description

High-speed Drivers with Dual SPDT JFET Switches

Manufacturer

Vishay Intertechnology

Datasheets

1.DG190AP883.pdf (9 pages)

2.DG190AP883.pdf (18 pages)

3.DG190AP883.pdf (9 pages)

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Bonase Electronics (HK) Co., Limited

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DG190AP/883

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DESCRIPTION

The

double-throw (SPDT) analog switches designed to provide

accurate switching of video and audio signals. This series is

ideally

on-resistance over the entire analog range.

The major difference in the devices is the on-resistance

(DG189—10 W , DG190—30 W , DG191—75 W). Reduced

errors are achieved through low leakage current (I

< 2 nA). Applications which benefit from the flat JFET

on-resistance include audio switching, video switching, and

data acquisition.

FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION

Document Number: 70034

S-51140—Rev. D, 20-Jun-05

FEATURES

D Constant On-Resistance Over

D Low Leakage

D Low Crosstalk

D Rad Hardness

Entire Analog Range

DG189/190/191

suited

High-Speed Drivers with Dual SPDT JFET Switches

for

applications

are

Dual-In-Line

Top View

precision

requiring

V−

V+

Logic

BENEFITS

D Low Distortion

D Eliminates Large Signal Errors

D High Precision

D High Bandwidth Capability

D Fault Protection

dual

single-pole,

TRUTH TABLE

constant

Logic “0” v 0 8 V

Logic “0” v 0.8 V

Logic “1” w 2 4 V

Logic “1” w 2.4 V

D(on)

OFF

, SW

To achieve fast and accurate switch performance, each device

comprises four n-channel JFET transistors and a TTL

compatible bipolar driver. The driver is designed to achieve

break-before-make

inadvertent shorting between channels and the crosstalk

which would result. 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.

Refer to JAN38510 Information, Military Section

OFF

V+

, SW

*Common to Substrate and Case

APPLICATIONS

D Audio Switching

D Video Switching

D Sample/Hold

D Guidance and Control Systems

D Aerospace

Flat Package

Top View

switching

DG189/190/191

Vishay Siliconix

action,

V−*

eliminating

www.vishay.com

the

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