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SP3490 - +3.3V Low Power Full-Duplex RS-485 Transceivers

Download the SP3490 datasheet PDF. This datasheet also covers the SP3491 variant, as both devices belong to the same +3.3v low power full-duplex rs-485 transceivers family and are provided as variant models within a single manufacturer datasheet.

Description

The SP3490 and SP3491 devices are +3.3V low power full-duplex transceivers that meet the specifications of the RS-485 and RS-422 serial protocols.

These devices are pin-to-pin compatible with the Exar SP490 and SP491 devices as well as popular industry standards.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SP3491-Exar.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
SP3490 3.3V Low Power Full-Duplex RS-485 Transceivers MaxLinear
SP3490 +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Sipex
SP3491 3.3V Low Power Full-Duplex RS-485 Transceivers MaxLinear
SP3491 +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Sipex
SP3493 +3.3V Low Power RS-485/RS-422 Transceivers Sipex

Other Datasheets by Exar (now MaxLinear)

Part Number Description
SP3491 +3.3V Low Power Full-Duplex RS-485 Transceivers
SP3494 +3.3V Low Power RS-485/RS-422 Transceiver
SP34063A 1.5A Buck/Boost/Inverting DC-DC Regulator
SP3483 +3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver
SP3485 +3.3V Low Power Half-Duplex RS-485 Transceiver

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.

View original datasheet text
SP3490/SP3491 +3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate • Full-Duplex RS-485 and RS-422 Transceivers • Operates from a single +3.3V Supply • Interoperable with +5.0V logic • Driver/Receiver Tri-state Enable Lines (SP3491) • -7V to +12V Common-Mode Input Voltage Range • +/-200mV Receiver Input Sensitivity • Allows up to 32 transceivers on the serial bus • Compatability with LTC490 and SN75179 (SP3490) • Compatability with LTC491 and SN75180 (SP3491) VCC 1 R2 8A R 7B D3 D 6Z 5Y GND 4 SP3490 DESCRIPTION The SP3490 and SP3491 devices are +3.3V low power full-duplex transceivers that meet the specifications of the RS-485 and RS-422 serial protocols.
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