RS422/RS485 transceiver for industrial bus lines
The Texas Instruments SN65HVD62RGTR is a half-duplex RS422/RS485 transceiver integrating one driver and one receiver in a 16-VQFN (3x3 mm) package. The base product number is 65HVD62.
Supply range and bus compatibility
For a 3.3V rail, the driver output differential voltage still meets the RS485 minimum of 1.5V across the common-mode range — no headroom surprise. The half-duplex bus wiring uses a single twisted pair; the driver and receiver share the same differential lines, so the firmware must manage the driver enable to avoid contention.
The pad also provides a low-inductance ground return for the bus pins, which helps with EMI on longer cable runs.
ROHS3 compliant.