SLVS969H October   2009  – January 2025

PRODMIX  

  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, TL331-Q1, TL331E-Q1
    2. 5.2  Absolute Maximum Ratings, TL331B-Q1 and TL391B-Q1
    3. 5.3  ESD Ratings, All Devices
    4. 5.4  Recommended Operating Conditions, TL331-Q1, TL331E-Q1
    5. 5.5  Recommended Operating Conditions, TL331B-Q1 and TL391B-Q1
    6. 5.6  Thermal Information
    7. 5.7  Electrical Characteristics, TL331B-Q1 and TL391B-Q1
    8. 5.8  Switching Characteristics, TL331B-Q1 and TL391B-Q1
    9. 5.9  Electrical Characteristics, TL331-Q1, TL331E-Q1
    10. 5.10 Switching Characteristics, TL331-Q1, TL331E-Q1
    11. 5.11 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
    4. 6.4 Device Functional Modes
      1. 6.4.1 Voltage Comparison
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input Voltage Range
        2. 7.2.2.2 ESD Protection
        3. 7.2.2.3 Minimum Overdrive Voltage
        4. 7.2.2.4 Output and Drive Current
        5. 7.2.2.5 Response Time
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

6.4.1 Voltage Comparison

The TL331-Q1 operates solely as a voltage comparator, comparing the differential voltage between the positive and negative pins and outputting a logic low or high impedance (logic high with pull-up) based on the input differential polarity.