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

Download the SP3490 datasheet PDF (SP3491 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for +3.3v low power full-duplex rs-485 transceivers.

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.

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Full PDF Text Transcription

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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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