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DS3695A - Multipoint RS485/RS422 Transceivers

Description

The DS3695A and DS3696A are high speed differential TRI-STATE ® bus/line transceivers designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to

7V), for multipoint data transmission.

In addition they are compatible with requirements of RS-422.

Features

  • n Meets EIA standard RS485 for multipoint bus transmission and is compatible with RS-422 n 10 ns driver propagation delays (typical) n Single +5V supply n.
  • 7V to +12V bus common mode range permits ± 7V ground difference between devices on the bus n Thermal shutdown protection n High impedance to bus with driver in TRI-STATE or with power off, over the entire common mode range allows the unused devices on the bus to be powered down n Combined impedance of a driver output and receiver inpu.

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Datasheet preview – DS3695A

Datasheet Details

Part number DS3695A
Manufacturer National Semiconductor
File Size 108.65 KB
Description Multipoint RS485/RS422 Transceivers
Datasheet download datasheet DS3695A Datasheet
Additional preview pages of the DS3695A datasheet.

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Full PDF Text Transcription

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DS3695A/DS3695AT/DS3696A Multipoint RS485/RS422 Transceivers February 1996 DS3695A/DS3695AT/DS3696A Multipoint RS485/RS422 Transceivers General Description The DS3695A and DS3696A are high speed differential TRI-STATE ® bus/line transceivers designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to −7V), for multipoint data transmission. In addition they are compatible with requirements of RS-422. The driver and receiver outputs feature TRI-STATE capability. The driver outputs remain in TRI-STATE over the entire common mode range of +12V to −7V. Bus faults that cause excessive power dissipation within the device trigger a thermal shutdown circuit, which forces the driver outputs into the high impedance state.
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