DESCRIPTION

The SP3493 and the 3494 devices are +3.3V, low power transceivers that meet the specifications of the RS-485 and RS-422 serial protocols. The SP3493 and the 3494 devices are pin-to-pin compatible with the Sipex SP3490 and the SP3481 devices, respectively, as well as other popular industry standards.

■ Operates From A Single +3.3V Supply

■ Interoperable With +5V Logic

■ +200mV Receiver Input Sensitivity

■ -7V to +12V Common-Mode Input

Voltage Range

■ Devices Allow Up To 32 Transceivers

On The Serial Bus

■ Driver/Receiver Enable Lines (SP3494)

■ 2nA Low-Power Shutdown Mode (SP3494)

■ Compatible With The MAX3488, LTC490

and 75179 Industry Standard Pinouts

(SP3493)

■ Compatible With The MAX3486 and 75176

Industry Standard Pinouts (SP3494)