SLLS872J January   2008  – March 2023 SN65HVD1785 , SN65HVD1786 , SN65HVD1787 , SN65HVD1791 , SN65HVD1792 , SN65HVD1793

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Product Selection Guide
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings (1)
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Thermal Considerations
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Hot-Plugging
      2. 9.3.2 Receiver Failsafe
      3. 9.3.3 70-V Fault-Protection
      4. 9.3.4 Additional Options
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
        1. 10.2.1.1 Data Rate and Bus Length
        2. 10.2.1.2 Stub Length
        3. 10.2.1.3 Receiver Failsafe
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
    2. 13.2 Receiving Notification of Documentation Updates
    3. 13.3 Support Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

7.6 Thermal Considerations

PARAMETERTEST CONDITIONSVALUEUNIT
PDPower dissipation85, 91VCC = 5.5 V, TJ = 150°C, RL = 300 Ω, CL = 50 pF (driver),
CL = 15 pF (receiver) 5-V supply, unterminated(1)		290mW
85, 91VCC = 5.5 V, TJ = 150°C, RL = 100 Ω, CL = 50 pF (driver),
CL = 15 pF (receiver) 5-V supply, RS-422 load(1)		320
86
87
85, 91VCC = 5.5 V, TJ = 150°C, RL = 54 Ω, CL = 50 pF (driver),
CL = 15 pF (receiver) 5-V supply, RS-485 load(1)		400
86
87
TSDThermal-shutdown junction temperature170°C
(1) Driver and receiver enabled, 50% duty cycle square-wave signal at signaling rate: HVD1785, 1791 at 115 kbps, HVD1786 at 1 Mbps, HVD1787 at 10 Mbps)