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Documents SN65HVD1785, SN65HVD1786, SN65HVD1787
SN65HVD1791, SN65HVD1792, SN65HVD1793
SLLS872I – JANUARY 2008 – REVISED AUGUST 2015 SN65HVD17xx Fault-Protected RS-485 Transceivers With Extended Common-Mode Range
1 Features 3 Description These devices are designed to survive overvoltage
faults such as direct shorts to power supplies, miswiring 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. 1 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 …
