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SN65HVD1785 - RS-485 Transceiver

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.

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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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SN65HVD1785, SN65HVD1786, SN65HVD1787 SN65HVD1791, SN65HVD1792, SN65HVD1793 SLLS872J – JANUARY 2008 – REVISED MARCH 2023 SN65HVD17xx Fault-Protected RS-485 Transceivers With Extended Common-Mode Range 1 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 – ICC 5 mA Quiescent During Operation • Power-Up, Power-Down Glitch-Free Operation 2 Applications • Designed for RS-485 and RS-422 Networks 3 Description These devices are desi
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