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SP3490 Dataheets PDF



Part Number SP3490
Manufacturers Exar
Logo Exar
Description +3.3V Low Power Full-Duplex RS-485 Transceivers
Datasheet SP3490 DatasheetSP3490 Datasheet (PDF)

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 .

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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 GND 4 D 6Z 5Y 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. These devices are pin-to-pin compatible with the Exar SP490 and SP491 devices as well as popular industry standards. The SP3490 and SP3491 feature Exar's BiCMOS process, allowing low power operation without sacrificing performance. The SP3490 and SP3491 meet the electrical specifications of.


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