ZHCSHH1B January   2018  – November 2019 TLV6700

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化方框图
      2.      输出响应
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Inputs (INA+, INB–)
      2. 8.3.2 Outputs (OUTA, OUTB)
      3. 8.3.3 Window Comparator
      4. 8.3.4 Immunity to Input Terminal Voltage Transients
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation (VDD > UVLO)
      2. 8.4.2 Undervoltage Lockout (V(POR) < VDD < UVLO)
      3. 8.4.3 Power-On Reset (VDD < V(POR))
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 VPULLUP to a Voltage Other Than VDD
      2. 9.1.2 Monitoring VDD
      3. 9.1.3 Monitoring a Voltage Other Than VDD
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Resistor Divider Selection
        2. 9.2.2.2 Pullup Resistor Selection
        3. 9.2.2.3 Input Supply Capacitor
        4. 9.2.2.4 Input Capacitors
      3. 9.2.3 Application Curves
    3. 9.3 Do's and Don'ts
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 开发支持
    2. 12.2 接收文档更新通知
    3. 12.3 社区资源
    4. 12.4 商标
    5. 12.5 静电放电警告
    6. 12.6 Glossary
  13. 13机械、封装和可订购信息

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

9.2.2.1 Resistor Divider Selection

Use Equation 1 through Equation 4 to calculate the resistor divider values and target threshold voltages.

Equation 1. RT = R1 + R2 + R3

Select a value for RT such that the current through the divider is approximately 100 times higher than the input current at the INA+ and INB– terminals. The resistors can have high values to minimize current consumption as a result of low-input bias current without adding significant error to the resistive divider. See the application note Optimizing Resistor Dividers at a Comparator Input (SLVA450) for details on sizing input resistors.

Use Equation 2 to calculate the value of R3.

Equation 2. TLV6700 q_r3_slvsci7.gif

where

    Use Equation 3 or Equation 4 to calculate the value of R2.

    Equation 3. TLV6700 q_r2a_slvsci7.gif

    where

      Equation 4. TLV6700 q_r2b_slvsci7.gif

      where

        The worst-case tolerance can be calculated by referring to Equation 13 in application report SLVA450, Optimizing Resistor Dividers at a Comparator Input (available for download at www.ti.com). An example of the rising threshold error, VMON(OV), is given in Equation 5.

        Equation 5. TLV6700 q_tolerance_bvs187.gif
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