text.skipToContent text.skipToNavigation


30-V Fault-Protected RS-485 Transceiver


Package | PIN: P | 8
Temp: S (-40 to 105)
Carrier: Partial Tube
Qty Price
1-9 $4.68
10-24 $4.21
25-99 $3.93
100-249 $3.53
250-499 $3.29
500-749 $2.87
750-999 $2.48
1000+ $2.43


  • Bus-Pin Fault Protection to:
    • > ±70 V (SN65HVD1780,SN65HVD1781)
    • > ±30 V (SN65HVD1782)
  • Operation With 3.3-V to 5-V Supply Range
  • ±16-kV HBM Protection on Bus Pins
  • Reduced Unit Load for Up to 320 Nodes
  • Failsafe Receiver for Open-Circuit, Short-Circuit, and Idle-Bus Conditions
  • Low Power Consumption
    • Low Standby Supply Current,1 µA Maximum
    • ICC 4-mA Quiescent Current DuringOperation
  • Pin-Compatible With Industry-Standard SN75176
  • Signaling Rates of 115 kbps, 1 Mbps, and up to 10 Mbps
  • Create a Custom Design using the SN65HVD178x with the WEBENCH® Power Designer

All trademarks are the property of their respective owners.

Texas Instruments  SN65HVD1782P

The SN65HVD178x devices are designed to survive overvoltage faults such as direct shortsto power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications.The devices are also robust to ESD events with high levels of protection to the human-body-modelspecification.

The SN65HVD178x devices combine a differential driver and a differential receiver, whichoperate from a single power supply. In the SN65HVD1782, the driver differential outputs and thereceiver differential inputs are connected internally to form a bus port suitable for half-duplex(two-wire bus) communication. This port features a wide common-mode voltage range, making thedevices suitable for multipoint applications over long cable runs. These devices are characterizedfrom –40°C to 125°C. These devices are pin-compatible with the industry-standard SN75176transceiver,making them drop-in upgrades in most systems.

These devices are fully compliant with ANSI TIA/EIA 485-A with a 5-V supply and canoperate with a 3.3-V supply with reduced driver output voltage for low-power applications. Forapplications where operation is required over an extended common-mode voltage range, see theSN65HVD1785 (SLLS872) data sheet.