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SP491 - Full Duplex RS-485 Transceivers

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

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Datasheet Details

Part number SP491
Manufacturer Sipex
File Size 83.62 KB
Description Full Duplex RS-485 Transceivers
Datasheet download datasheet SP491 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® SP490/SP491 Full Duplex RS-485 Transceivers +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) ■ ■ ■ ■ ■ 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 feature ±200mV receiver input sensitivity, over wide common mode range. The SP490 is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges.