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SN65HVD21A - RS-485 Transceiver

General Description

The SN65HVD21A offers performance far exceeding typical RS

485 devices.

485 A standard, the device operates over an extended range of common-mode voltage, and has

Key Features

  • 1.
  • Common-Mode Voltage Range (.
  • 20 V to 25 V) More Than Doubles TIA/EIA-485 Requirement.
  • Reduced Unit-Load for up to 256 Nodes.
  • Bus I/O Protection to Over 16-kV HBM.
  • Failsafe Receiver for Open-Circuit, Short-Circuit and Idle-Bus Conditions.
  • Low Standby Supply Current 1-µA Max.
  • More Than 100 mV Receiver Hysteresis.

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Other Datasheets by Texas Instruments

Part Number Description
SN65HVD21 Extended Common-Mode RS-485 Transceivers
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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
www.ti.com SN65HVD21A SLLSE36 – DECEMBER 2010 6 Mbps, Extended Common-Mode RS-485 Transceiver Check for Samples: SN65HVD21A FEATURES 1 • Common-Mode Voltage Range (–20 V to 25 V) More Than Doubles TIA/EIA-485 Requirement • Reduced Unit-Load for up to 256 Nodes • Bus I/O Protection to Over 16-kV HBM • Failsafe Receiver for Open-Circuit, Short-Circuit and Idle-Bus Conditions • Low Standby Supply Current 1-µA Max • More Than 100 mV Receiver Hysteresis APPLICATIONS • Long Cable Solutions – Factory Automation – Security Networks – Building HVAC • Severe Electrical Environments – Electrical Power Inverters – Industrial Drives – Avionics DESCRIPTION The SN65HVD21A offers performance far exceeding typical RS−485 devices.