Texas Instruments SN65HVD1781AQDRQ1 automotive RS-422/RS-485 transceiver, half-duplex 1/1 driver/receiver, 1 Mbps data rate, 3.15V-5.5V supply, -40°C to 125°C, 8-SOIC package, AEC-Q100 qualified.
| Parameter | Value |
|---|---|
| Type | Transceiver |
| Mounting | Surface Mount |
| Supply voltage | 3.15V ~ 5.5V |
| Protocol | RS422, RS485 |
| Operating temperature | -40°C ~ 125°C |
| Grade | Automotive |
| Duplex | Half |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Data rate | 1Mbps |
| Qualification | AEC-Q100 |
| Case | 8-SOIC (0.154\", 3.90mm Width) |
| Receiver hysteresis | 50 mV |
| Number of drivers (Receivers) | 1/1 |
The Texas Instruments SN65HVD1781AQDRQ1 is an automotive-grade half-duplex transceiver supporting the RS-422 and RS-485 protocols, with a single driver and single receiver integrated in an 8-SOIC package.
The half-duplex architecture with one driver and one receiver is the standard pinout for an RS-485 node transceiver.
The base product number is 65HVD1781, covering the family variants.
Yes.
The base product number is 65HVD1781. Within the same family, the non-automotive variant (SN65HVD1781D) is a functional equivalent but lacks AEC-Q100 qualification. For a pin-compatible automotive-grade alternative, the SN65HVD1782AQDRQ1 offers a different receiver hysteresis level; verify the system's noise margin before substituting.