SNIS245B September   2025  – July 2026 ISOTMP35R-Q1

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  Insulation Specification
    6. 6.6  Power Ratings
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics
    10. 6.10 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Functional Description
      1. 7.3.1 Integrated Isolation Barrier
      2. 7.3.2 Output Stage and Signal Behavior
        1. 7.3.2.1 Transfer Function
        2. 7.3.2.2 Driving Capacitive Loads
        3. 7.3.2.3 Common Mode Transient Immunity (CMTI)
      3. 7.3.3 Thermal Response
        1. 7.3.3.1 Stirred Liquid Thermal Response
        2. 7.3.3.2 Directional Thermal Response
          1. 7.3.3.2.1 Comparison to NTC Thermistors
        3. 7.3.3.3 Still Air Thermal Response
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Improving Accuracy Using Piecewise Linear Approximation
      2. 8.1.2 Output Buffering and Signal Integrity Considerations
      3. 8.1.3 ADC Interface Considerations
      4. 8.1.4 Power Supply Recommendations
      5. 8.1.5 EMI Mitigation and Filtering
        1. 8.1.5.1 Filtering Techniques
        2. 8.1.5.2 Design Guidelines for EMI Filtering
      6. 8.1.6 Insulation Lifetime
    2. 8.2 Layout
      1. 8.2.1 Layout Guidelines
      2. 8.2.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Mechanical Data
    2. 11.2 Package Option Addendum
    3. 11.3 Tape and Reel Information

1 Features

  • AEC-Q100 qualified with:
    • Temperature Grade-0: –40°C to 150°C
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C5
  • Functional Safety-Capable
  • Robust integrated isolation:
  • Temperature sensor accuracy:
    • ±0.5°C typical at 25°C
    • ±2.5°C maximum from 0°C to 70°C
    • ±3.5°C maximum from –40°C to 150°C

  • Wide supply range: 3.1V to 34V

  • Analog Output:
    • 10mV/°C positive slope
    • 500mV offset at 0°C
    • Output voltage range: 100mV to 2.0V
  • Fast thermal response: < 4s
  • High CMTI: 65kV/µs
  • Low power consumption: 45µA (typical)
  • Safety-related certifications:
    • 5kVRMS isolation for 1 minute per UL 1577