MAX491ESD+

MAX491ESD+ from Analog Devices Inc./Maxim Integrated is an active full-duplex transceiver for RS-422, RS-485 serial interfaces. It integrates 1/1 driver/receiver channels, supports data rates up to 2.5Mbps, and operates from 4.75V ~ 5.25V.

Selection profile: Its full-duplex architecture uses separate transmit and receive signal paths; confirm the required four-wire topology during selection. The verified interface scope is RS-422, RS-485. The 2.5Mbps data-rate rating, 4.75V ~ 5.25V supply range, and -40°C ~ 85°C operating range distinguish this orderable part in the catalog.

Package and ordering: MAX491ESD+ is supplied in SOIC-14; the source package designation is 14-SOIC, with Tube packaging options listed for this orderable part. Confirm reel, tube, tray, or cut-tape requirements against the full manufacturer ordering code before purchase.

Use the linked datasheet to verify pinout, protection features, timing limits, termination requirements, and application-specific conditions. Availability, lead time, and order quantity require RFQ confirmation.