SNOSDA4D June   2020  – November 2023 LM339LV , LM393LV , TL331LV , TL391LV

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1. 4.1 Pin Functions for TL331LV and TL391LV
    2. 4.2 Pin Functions: LM393LV
    3. 4.3 Pin Functions: LM339LV
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information for TL3x1LV
    5. 5.5  Thermal Information, LM393LV
    6. 5.6  Thermal Information, LM339LV
    7. 5.7  Electrical Characteristics, TL3x1LV
    8. 5.8  Switching Characteristics, TL3x1LV
    9. 5.9  Electrical Characteristics, LM393LV
    10. 5.10 Switching Characteristics, LM393LV
    11. 5.11 Electrical Characteristics, LM339LV
    12. 5.12 Switching Characteristics, LM339LV
    13. 5.13 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 Open Drain Output
      2. 6.4.2 Power-On-Reset (POR)
      3. 6.4.3 Inputs
        1. 6.4.3.1 Rail to Rail Input
        2. 6.4.3.2 Fault Tolerant Inputs
        3. 6.4.3.3 Input Protection
      4. 6.4.4 ESD Protection
      5. 6.4.5 Unused Inputs
      6. 6.4.6 Hysteresis
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Basic Comparator Definitions
        1. 7.1.1.1 Operation
        2. 7.1.1.2 Propagation Delay
        3. 7.1.1.3 Overdrive Voltage
      2. 7.1.2 Hysteresis
        1. 7.1.2.1 Inverting Comparator With Hysteresis
        2. 7.1.2.2 Non-Inverting Comparator With Hysteresis
    2. 7.2 Typical Applications
      1. 7.2.1 Window Comparator
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curve
      2. 7.2.2 Square-Wave Oscillator
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
        3. 7.2.2.3 Application Curve
      3. 7.2.3 Adjustable Pulse Width Generator
      4. 7.2.4 Time Delay Generator
      5. 7.2.5 Logic Level Shifter
      6. 7.2.6 One-Shot Multivibrator
      7. 7.2.7 Bi-Stable Multivibrator
      8. 7.2.8 Zero Crossing Detector
      9. 7.2.9 Pulse Slicer
    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 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)
Orderable Information

7.2.1 Window Comparator

Window comparators are commonly used to detect undervoltage and overvoltage conditions. Figure 7-7 shows a simple window comparator circuit. Window comparators require open drain outputs if the outputs are directly connected together.

GUID-6770065E-B93B-4F4D-97E2-EEACE7EA425C-low.gifFigure 7-7 Window Comparator