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SP491E - Enhanced Full Duplex RS-485 Transceivers

This page provides the datasheet information for the SP491E, a member of the SP490E Enhanced Full Duplex RS-485 Transceivers family.

Datasheet Summary

Description

The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 10Mbps.

The SP491E is identical to the SP490E with the addition of driver and receiver tri-state enable lines.

Both products feature ±200mV receiver input sensitivity, over wide common mode range.

Features

  • +5V Only.
  • Low Power BiCMOS.
  • Driver/Receiver Enable (SP491E).
  • RS-485 and RS-422 Drivers/Receivers.
  • Pin Compatible with LTC490 and SN75179 (SP490E).
  • Pin Compatible with LTC491 and SN75180 (SP491E).
  • Improved ESD Specifications: ±15kV Human Body Model ±15kV IEC61000-4-2 Air Discharge Now Available in Lead Free Packaging.

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Datasheet preview – SP491E

Datasheet Details

Part number SP491E
Manufacturer Exar
File Size 678.62 KB
Description Enhanced Full Duplex RS-485 Transceivers
Datasheet download datasheet SP491E Datasheet
Additional preview pages of the SP491E datasheet.

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Full PDF Text Transcription

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SP490E/491E Enhanced Full Duplex RS-485 Transceivers FEATURES • +5V Only • Low Power BiCMOS • Driver/Receiver Enable (SP491E) • RS-485 and RS-422 Drivers/Receivers • Pin Compatible with LTC490 and SN75179 (SP490E) • Pin Compatible with LTC491 and SN75180 (SP491E) • Improved ESD Specifications: ±15kV Human Body Model ±15kV IEC61000-4-2 Air Discharge Now Available in Lead Free Packaging DESCRIPTION The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 10Mbps. The SP491E is identical to the SP490E with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range.
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