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SP485 Datasheet Low Power Half-Duplex RS-485 Transceivers

Manufacturer: Exar (now MaxLinear)

Download the SP485 datasheet PDF. This datasheet also includes the SP483 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SP483-Exar.pdf) that lists specifications for multiple related part numbers.

General Description

The SP483 and SP485 are a family of half-duplex transceivers that meet the specifications of RS-485 and RS-422.

Their BiCMOS design allows low power operation without sacrificing performance.

The SP485 meets the requirements of RS-485 and RS-422 up to 5Mbps.

Overview

SP483 / SP485 Low Power Half-Duplex RS-485 Transceivers.

Key Features

  • +5V Only.
  • Low Power BiCMOS.
  • Driver / Receiver Enable.
  • Slew Rate Limited Driver for Low EMI (SP483).
  • Low Power Shutdown mode (SP483).
  • RS-485 and RS-422 Drivers/Receivers.