ZHCSH56C August   2016  – November 2018 INA240-Q1

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     典型应用
    2.     增强型 PWM 抑制
  4. 修订历史记录
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  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 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Amplifier Input Signal
        1. 8.3.1.1 Enhanced PWM Rejection Operation
        2. 8.3.1.2 Input Signal Bandwidth
      2. 8.3.2 Selecting the Sense Resistor (RSENSE)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Adjusting the Output Midpoint With the Reference Pins
      2. 8.4.2 Reference Pin Connections for Unidirectional Current Measurements
        1. 8.4.2.1 Ground Referenced Output
        2. 8.4.2.2 VS Referenced Output
      3. 8.4.3 Reference Pin Connections for Bidirectional Current Measurements
        1. 8.4.3.1 Output Set to External Reference Voltage
        2. 8.4.3.2 Output Set to Midsupply Voltage
        3. 8.4.3.3 Output Set to Mid-External Reference
        4. 8.4.3.4 Output Set Using Resistor Divider
      4. 8.4.4 Calculating Total Error
        1. 8.4.4.1 Error Sources
        2. 8.4.4.2 Reference Voltage Rejection Ratio Error
          1. 8.4.4.2.1 Total Error Example 1
          2. 8.4.4.2.2 Total Error Example 2
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Input Filtering
    2. 9.2 Typical Applications
      1. 9.2.1 Inline Motor Current-Sense Application
        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 Solenoid Drive Current-Sense Application
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curve
    3. 9.3 What to Do and What Not to Do
      1. 9.3.1 High-Precision Applications
      2. 9.3.2 Kelvin Connection from the Current-Sense Resistor
  10. 10Power Supply Recommendations
    1. 10.1 Power Supply Decoupling
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Connection to the Current-Sense Resistor
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档
    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 术语表
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
订购信息

特性

  • 符合面向汽车应用的 AEC-Q100 标准
    • 温度等级 1:–40°C 至 +125°C 的环境工作温度范围
    • 温度等级 0:–40°C 至 +150°C 的环境工作温度范围
    • HBM ESD 分类等级 H2
    • CDM ESD 分类等级 C5
  • 增强型 PWM 抑制
  • 出色的共模抑制比 (CMRR):
    • 132dB DC CMRR
    • 93dB AC CMRR(50kHz 时)
  • 宽共模范围:–4V 至 80V
  • 精度:
    • 增益误差:±0.20%(最大值),2.5ppm/°C(最大温漂)
    • 失调电压:±25µV/°C(最大值),250nV/°C(最大温漂)
  • 可用的增益:
    • INA240A1-Q1:20V/V
    • INA240A2-Q1:50V/V
    • INA240A3-Q1:100V/V
    • INA240A4-Q1:200V/V