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SP490 Datasheet Full Duplex RS-485 Transceivers

Manufacturer: Exar (now MaxLinear)

General Description

The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps.

The SP491 is identical to the SP490 with the addition of driver and receiver tri-state enable lines.

Both products

Overview

SP490/491 Full Duplex RS-485 Transceivers.

Key Features

  • +5V Only.
  • Low Power BiCMOS.
  • Driver/Receiver Enable (SP491).
  • RS-485 and RS-422 Drivers/Receivers.
  • Pin Compatible with LTC490 and SN75179 (SP490).
  • Pin Compatible with LTC491 and SN75180 (SP491) Now Available in Lead Free Packaging.