|Package | PIN:||D | 14|
|Temp:||S (-40 to 105)|
- Bus-Pin Fault Protection to:
- > ±70 V (HVD1785, 86, 91, 92)
- > ±30 V (HVD1787, 93)
- Common-Mode Voltage Range (20 V to 25 V)
More Than Doubles TIA/EIA 485 Requirement
- Bus I/O Protection
- ±16 kV JEDEC HBM Protection
- Reduced Unit Load for Up to 256 Nodes
- Failsafe Receiver for Open-Circuit, Short-Circuit
and Idle-Bus Conditions
- Low Power Consumption
- Low Standby Supply Current, 1 µA Typical
- ICC 5 mA Quiescent During Operation
- Power-Up, Power-Down Glitch-Free Operation
- Designed for RS-485 and RS-422 Networks
All other trademarks are the property of their respective owners
Texas Instruments SN65HVD1791D
These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. They are also robust to ESD events, with high levels of protection to human-body model specifications.
These devices combine a differential driver and a differential receiver, which operate from a single power supply. In the HVD1785, HVD1786, and HVD1787, the driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. In the 'HVD1793, the driver differential outputs and the receiver differential inputs are separate pins, to form a bus port suitable for full-duplex (four-wire bus) communication. These ports feature a wide common-mode voltage range, making the devices suitable for multipoint applications over long cable runs. These devices are characterized from 40°C to 105°C.
For similar features with 3.3-V supply operation, see the SN65HVD1781 (SLLS877).