SLLSFT6 April   2026 THVD9491-SP

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 ESD Ratings [IEC]
    4. 5.4 Recommended Operating Conditions
    5. 5.5 Thermal Information
    6. 5.6 Power Dissipation
    7. 5.7 Electrical Characteristics
    8. 5.8 Switching Characteristics: 20Mbps
    9. 5.9 Switching Characteristics: 50Mbps
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Bus Fault Protection
      2. 7.3.2 Integrated IEC ESD and EFT Protection
      3. 7.3.3 Driver Overvoltage and Overcurrent Protection
      4. 7.3.4 Enhanced Receiver Noise Immunity
      5. 7.3.5 Receiver Fail-Safe Operation
      6. 7.3.6 Low-Power Shutdown Mode
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Typical Application
      1. 8.1.1 Design Requirements
      2. 8.1.2 Detailed Design Procedure
      3. 8.1.3 Application Curve
    2. 8.2 Power Supply Recommendations
    3. 8.3 Layout
      1. 8.3.1 Layout Guidelines
      2. 8.3.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1.     PACKAGE OPTION ADDENDUM
    2. 11.1 Tape and Reel Information
    3. 11.2 Mechanical Data

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Data Sheet

THVD9491-SP Radiation-Hardened ±40V Fault-Protected 3V to 5.5V RS-485 Transceiver with Flexible I/O Supply and IEC ESD