DS7820J National Semiconductor, DS7820J Datasheet

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DS7820J

Manufacturer Part Number
DS7820J
Description
Dual Line Receiver
Manufacturer
National Semiconductor
Datasheet

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© 1999 National Semiconductor Corporation
DS7820
Dual Line Receiver
General Description
The DS7820, specified from −55˚C to +125˚C, is a digital line
receiver with two completely independent units fabricated on
a single silicon chip. Intended for use with digital systems
connected by twisted pair lines, they have a differential input
designed to reject large common mode signals while re-
sponding to small differential signals. The output is directly
compatible with TTL or LS integrated circuits.
The response time can be controlled with an external capaci-
tor to eliminate noise spikes, and the output state is deter-
mined for open inputs. Termination resistors for the twisted
pair line are also included in the circuit. The DS7820 is speci-
Connection Diagram
For Complete Military 883 Specifications, See RETS Data Sheet.
DS005796
See NS Package Number J14A
Order Number: DS7820J/883
Dual-In-Line Package
Top View
fied, worst case, over the full operating temperature range,
for
input voltage range.
Features
n Operation from a single +5V logic supply
n Input voltage range of
n Each channel can be strobed independently
n High input resistance
n Fan out of two with TTL integrated circuits
n Strobe low forces output to “1” state
±
10-percent supply voltage variations and over the entire
±
DS005796-2
15V
September 1999
www.national.com

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DS7820J Summary of contents

Page 1

... Input voltage range of n Each channel can be strobed independently n High input resistance n Fan out of two with TTL integrated circuits n Strobe low forces output to “1” state Dual-In-Line Package DS005796-2 Top View Order Number: DS7820J/883 See NS Package Number J14A September 1999 15V www.national.com ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Input Voltage Differential Input Voltage Strobe Voltage Output Sink Current Electrical Characteristics Symbol Parameter V Input Threshold Voltage TH V High Output Level ...

Page 3

Typical Performance Characteristics Supply Voltage Sensitivity DS005796-16 Response Time DS005796-19 Positive Supply Current DS005796-22 (Note 4) Common Mode Rejection DS005796-17 Output Voltage Levels DS005796-20 Internal Power Dissipation 3 Transfer Function DS005796-18 Termination Resistance DS005796-21 DS005796-23 www.national.com ...

Page 4

Typical Application Schematic Diagram www.national.com 4 DS005796-3 DS005796-1 ...

Page 5

... National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. Ceramic Dual-In-Line Package (J) Order Number DS7820J/883 NS Package Number J14A 2. A critical component is any component of a life ...

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