SP3485EN-L Datasheet, PDF (1/9 Pages) Exar Corporation – +3.3V Low Power Half-Duplex RS-485 Transceiver with 10Mbps Data Rate

SP3485
+3.3V Low Power Half-Duplex RS-485
Transceiver with 10Mbps Data Rate
• RS-485 and RS-422 Transceiver
• Operates from a single +3.3V Supply
• Interoperable with +5.0V logic
• Driver/Receiver Enable
• -7V to +12V Common-Mode Input Voltage Range
• Allows up to 32 transceivers on the serial bus
• Compatibility with industry standard 75176 pinout
• Driver Output Short-Circuit Protection
DESCRIPTION
The SP3485 device is a +3.3V low power half-duplex transceiver that meets the specifica-
tions of the RS-485 and RS-422 serial protocols. This device is pin-to-pin compatible with
the Exar SP481, SP483 and SP485 devices as well as popular industry standards. The
SP3485 features the Exar BiCMOS process, allowing low power operation without sacrificing
performance. The SP3485 can meet the electrical specifications of the RS-485 and RS-422
serial protocols up to 10Mbps under load.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3485_100_061912