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SN65HVD1787 Datasheet RS-485 Transceiver

Manufacturer: Texas Instruments

Download the SN65HVD1787 datasheet PDF. This datasheet also includes the SN65HVD1785 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (SN65HVD1785-etcTI.pdf) that lists specifications for multiple related part numbers.

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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