SLLSF79B April   2021  – September 2021 THVD1439 , THVD1439V , THVD1449 , THVD1449V

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings, IEC
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Power Dissipation
    7. 6.7  Electrical Characteristics
    8. 6.8  Switching Characteristics (THVD1439, THVD1439V)
    9. 6.9  Switching Characteristics (THVD1449, THVD1449V)
    10. 6.10 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Electrostatic Discharge (ESD) Protection
      2. 8.3.2 Electrical Fast Transient (EFT) Protection
      3. 8.3.3 Surge Protection
      4. 8.3.4 Enhanced Receiver Noise Immunity
      5. 8.3.5 Failsafe Receiver
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Data Rate and Bus Length
        2. 9.2.1.2 Stub Length
        3. 9.2.1.3 Bus Loading
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7 Parameter Measurement Information

GUID-4C5988C7-A2A4-468B-B518-E9B0AC70885F-low.gif Figure 7-1 Measurement of Driver Differential Output Voltage With Common-Mode Load
GUID-260EA9E7-F7EB-42AB-8A63-4957E305D674-low.gif Figure 7-2 Measurement of Driver Differential and Common-Mode Output With RS-485 Load
GUID-340F0467-1DE9-4770-8C42-660F61C0AABA-low.gif Figure 7-3 Measurement of Driver Differential Output Rise and Fall Times and Propagation Delays
GUID-14446CE5-7E7A-4CB7-84B3-8741D01BD5E1-low.gif Figure 7-4 Measurement of Driver Enable and Disable Times With Active High Output and Pull-Down Load
GUID-92033946-3A47-4304-BEB9-FDD903557282-low.gif Figure 7-5 Measurement of Driver Enable and Disable Times With Active Low Output and Pull-up Load
GUID-D2A3F2FB-58F9-490A-8D6A-8A77EA00C2A6-low.gif Figure 7-6 Measurement of Receiver Output Rise and Fall Times and Propagation Delays
GUID-9051E126-29DB-406E-9AD3-03DB5A38F6FA-low.gif Figure 7-7 Measurement of Receiver Enable/Disable Times With Driver Enabled
GUID-FFE718C0-0F89-49B0-95E1-6A76DE18D706-low.gif Figure 7-8 Measurement of Receiver Enable Times With Driver Disabled
GUID-50C0B9B4-7200-494A-8986-927D0CC7AEDF-low.gif Figure 7-9 Fail-Safe Delay Measurements