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SP1491E Datasheet Full Duplex RS-485 Transceivers

Manufacturer: Exar (now MaxLinear)

Download the SP1491E datasheet PDF. This datasheet also includes the SP1490E variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SP1490E-Exar.pdf) that lists specifications for multiple related part numbers.

General Description

The SP1490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 20Mbps.

The SP1491E is identical to the SP1490E with the addition of driver and receiver tristate enable lines.

Both products

Overview

SP1490E/SP1491E Full Duplex RS-485 Transceivers.

Key Features

  • +5V Only.
  • Low Power BiCMOS.
  • Driver/Receiver Enable (SP1491E).
  • RS-485 and RS-422 Drivers/Receivers.
  • Pin Compatible with SN75179 (SP1490E).
  • Pin Compatible with SN75180 (SP1491E).
  • Improved ESD Specifications ±15kV Human Body Model ±15kV IEC61000-4-2 Air Discharge VCC 1 RO 2 DI 3 GND 4 SP1490E 88 PPiinn-nnSSOOIICC 8A 7B 6Z 5Y.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
Sipex Logo SP1491E Full Duplex RS-485 Transceivers Sipex

More Datasheets from Exar (now MaxLinear)

Part Number Description
SP1490E Full Duplex RS-485 Transceivers
SP1481E Enhanced Low Power Half-Duplex RS-485 Transceivers
SP1485E Enhanced Low Power Half-Duplex RS-485 Transceivers
SP1486E 20Mbps PROFIBUS RS485/RS422 Transceivers