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SP490 Datasheet Full-Duplex RS-485 Transceivers

Manufacturer: 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 / SP491 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) Ordering Information - Back Page Block Diagrams VCC 1 R2 R D3 GND 4 D SP490 8A 7B 6Z 5Y NC 1 R2 REB DE 3 4 D5 6 GND GND 7 R D SP491 14 13 VCC NC 12 A 11 B 10 Z 9Y 8 NC.