DS3691MX Line Driver for RS-422 and RS-423 Interfaces

DS3691MX is used when a board must drive long interconnects that follow RS-422 or RS-423 electrical behavior. It provides four buffered outputs with tri-state control, so you can share wiring or disable outputs during system handoff and test. A mode control input allows configuration as two differential RS-422 drivers or four single-ended RS-423 drivers, which helps in mixed legacy designs and repair situations. DS3691MX is a practical fit for communication cards, terminal equipment, and industrial controllers where predictable line driving matters more than high integration. Keep the mode and enable controls well-defined to avoid contention and confirm the cable/termination scheme matches your topology. Request a quote for DS3691MX.