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Texas Instruments THVD15xx RS-485/RS-422 Transceivers

01/26/2019

Texas Instruments THVD15xx RS-485/RS-422 Transceivers are noise-immune and are designed to operate in rugged industrial environments. The bus pins of these devices are robust to high levels of IEC electrical fast transients (EFT) and IEC electrostatic discharge (ESD) events, eliminating the need for additional system-level protection components. Each of the THVD15xx devices operates from a single 5V supply. These devices feature an extended common-mode voltage range which makes them suitable for multi-point applications over long cable runs.

Features

  • Meets or Exceeds the Requirements of the TIA/EIA-485A Standard

  • 4.5V to 5.5V Supply Voltage

  • Integrated Bus I/O Protection

    • ±30kV HBM ESD

    • ±18kV IEC 61000-4-2 ESD Contact Discharge

    • ±25kV IEC 61000-4-2 ESD Air-Gap Discharge

    • ±4kV IEC 61000-4-4 Electrical Fast Transient

  • Extended Operational Common-mode: ±15V

  • Low EMI 500kbps and 50Mbps Data Rates

  • Extended Temperature Range: -40°C to 125°C

  • Large Receiver Hysteresis for Noise Rejection

  • Low Power Consumption

    • Low Standby Supply Current: < 1µA

    • Current During Operation: < 1mA

  • Glitch-Free Power-Up/Down for Hot Plug-in Capability


  • Open, Short, and Idle Bus Failsafe

  • 1/8 Unit Load Options (Up to 256 Bus Nodes)

  • Small-Size VSSOP Packages Save Board Space or SOIC for Drop-in Compatibility


Applications

  • Motor Drives

  • Factory Automation and Control

  • Grid Infrastructure

  • Building Automation

  • HVAC Systems

  • Video Surveillance

  • Process Analytics

  • Telecom Infrastructure

Functional Block Diagram
Functional Block Diagram


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