ZHCSLV0C September   2022  – September 2023 TLV1811 , TLV1812 , TLV1814 , TLV1821 , TLV1822 , TLV1824

PRODMIX  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
    1.     Pin Functions: TLV18x1 and TLV18x1L
    2.     Pin Functions: TLV1812 and TLV1822
    3.     Pin Functions: TLV1814 and TLV1824
  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 - Single
    5. 6.5 Thermal Information - Dual
    6. 6.6 Thermal Information - Quad
    7. 6.7 Electrical Characteristics
    8. 6.8 Switching Characteristics
  8. 7 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 Inputs
        1. 8.4.1.1 TLV18xx Rail-to-Rail Input
        2. 8.4.1.2 ESD Protection
        3. 8.4.1.3 Unused Inputs
      2. 8.4.2 Outputs
        1. 8.4.2.1 TLV181x Push-Pull Output
        2. 8.4.2.2 TLV182x Open-Drain Output
      3. 8.4.3 Power-On Reset (POR)
      4. 8.4.4 Hysteresis
  10. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Basic Comparator Definitions
        1. 9.1.1.1 Operation
        2. 9.1.1.2 Propagation Delay
        3. 9.1.1.3 Overdrive Voltage
      2. 9.1.2 Hysteresis
        1. 9.1.2.1 Inverting Comparator With Hysteresis
        2. 9.1.2.2 Non-Inverting Comparator With Hysteresis
        3. 9.1.2.3 Inverting and Non-Inverting Hysteresis using Open-Drain Output
    2. 9.2 Typical Applications
      1. 9.2.1 Window Comparator
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Square-Wave Oscillator
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curve
      3. 9.2.3 Adjustable Pulse Width Generator
      4. 9.2.4 Time Delay Generator
      5. 9.2.5 Logic Level Shifter
      6. 9.2.6 One-Shot Multivibrator
      7. 9.2.7 Bi-Stable Multivibrator
      8. 9.2.8 Zero Crossing Detector
      9. 9.2.9 Pulse Slicer
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

8.4.3 Power-On Reset (POR)

The TLV18xx family has an internal Power-on-Reset (POR) circuit for known start-up or power-down conditions. While the power supply (V+) is ramping up or ramping down, the POR circuitry will be activated for up to 200 µs after the minimum supply voltage threshold of 2.4 V is crossed, or immediately when the supply voltage drops below 2.4 V. When the supply voltage is equal to or greater than the minimum supply voltage, and after the delay period, the comparator output reflects the state of the differential input (VID).

For the TLV181x push-pull output devices, the output is held low during the POR period (ton).

For the TLV182x open drain output option the POR circuit will keep the output high impedance (Hi-Z) during the POR period (ton).

GUID-20220929-SS0I-HZF3-M3SK-ZJJNRMQKJJ6W-low.svgFigure 8-2 Power-On Reset Timing Diagram

Note: The output voltage rises with the pull-up voltage during the POR period.
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