SBOS921F December   2018  – November 2023 TMP61

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 TMP61 R-T table
      2. 7.3.2 Linear Resistance Curve
      3. 7.3.3 Positive Temperature Coefficient (PTC)
      4. 7.3.4 Built-In Fail Safe
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Thermistor Biasing Circuits
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Thermal Protection With Comparator
          2. 8.2.1.2.2 Thermal Foldback
        3. 8.2.1.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 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 Glossary
    5. 9.5 Electrostatic Discharge Caution
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

1 Features

  • Silicon-based thermistor with a
    positive temperature coefficient (PTC)
  • Linear resistance change across temperature
  • 10-kΩ nominal resistance at 25°C (R25)
    • ±1% maximum (0°C to 70°C)
  • Wide operating temperature of –40°C to +150 °C
  • Consistent sensitivity across temperature
    • 6400 ppm/°C TCR (25°C)
    • 0.2% typical TCR tolerance across temperature range
  • Fast thermal response time of 0.6 s (DEC)
  • Long lifetime and robust performance
    • Built-in fail-safe in case of short-circuit failures
    • 0.5% typical long term sensor drift