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SN65HVD1785 Datasheet RS-485 Transceiver

Manufacturer: Texas Instruments

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General 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.

These devices combine a differential driver and a differential receiver, which operate from a single power supply.

Overview

SN65HVD1785, SN65HVD1786, SN65HVD1787 SN65HVD1791, SN65HVD1792, SN65HVD1793 SLLS872J – JANUARY 2008 – REVISED MARCH 2023 SN65HVD17xx Fault-Protected RS-485 Transceivers With Extended Common-Mode Range.

Key Features

  • 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.

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