ZHCSJ78 December   2018 INA240-SEP

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     Device Images
      1.      典型应用
      2.      增强型 PWM 抑制
  4. 修订历史记录
  5. Pin Configuration and Functions
    1.     Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Amplifier Input Signal
        1. 7.3.1.1 Enhanced PWM Rejection Operation
        2. 7.3.1.2 Input Signal Bandwidth
      2. 7.3.2 Selecting the Sense Resistor (RSENSE)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Adjusting the Output Midpoint With the Reference Pins
      2. 7.4.2 Reference Pin Connections for Unidirectional Current Measurements
        1. 7.4.2.1 Ground Referenced Output
        2. 7.4.2.2 VS Referenced Output
      3. 7.4.3 Reference Pin Connections for Bidirectional Current Measurements
        1. 7.4.3.1 Output Set to External Reference Voltage
        2. 7.4.3.2 Output Set to Midsupply Voltage
        3. 7.4.3.3 Output Set to Mid-External Reference
        4. 7.4.3.4 Output Set Using Resistor Divider
      4. 7.4.4 Calculating Total Error
        1. 7.4.4.1 Error Sources
        2. 7.4.4.2 Reference Voltage Rejection Ratio Error
          1. 7.4.4.2.1 Total Error Example 1
          2. 7.4.4.2.2 Total Error Example 2
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input Filtering
    2. 8.2 Typical Applications
      1. 8.2.1 Inline Motor Current-Sense Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Solenoid Drive Current-Sense Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
    3. 8.3 Do's and Don'ts
      1. 8.3.1 High-Precision Applications
      2. 8.3.2 Kelvin Connection from the Current-Sense Resistor
  9. Power Supply Recommendations
    1. 9.1 Power Supply Decoupling
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Connection to the Current-Sense Resistor
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 接收文档更新通知
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 术语表
  12. 12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

Typical Characteristics

at TA = –55°C to 125°C, VS = 5 V, VCM = 12 V, and VREF = VS / 2 (unless otherwise noted)
INA240-SEP D001_SBOS662.gif
Figure 1. Input Offset Voltage Production Distribution
INA240-SEP D003_SBOS662.gif
Figure 3. Common-Mode Rejection Production Distribution
INA240-SEP D501_SBOS662.gif
Figure 5. Gain Error Production Distribution
INA240-SEP D007_gvf_SBOS662.gif
VCM = 0 V VDIF = 10-mVPP sine
Figure 7. Gain vs Frequency
INA240-SEP D009_cmrvf_SBOS662.gif
Figure 9. Common-Mode Rejection Ratio vs Frequency
INA240-SEP D011_ibvcmv0_SBOS662.gif
VS = 5 V
Figure 11. Input Bias Current vs Common-Mode Voltage
INA240-SEP D013_ibvt_SBOS662.gif
Figure 13. Input Bias Current vs Temperature
INA240-SEP D015_nvf_SBOS662.gif
Figure 15. Input-Referred Voltage Noise vs Frequency
INA240-SEP D017_iostep_SBOS662_new.gif
VREF1 = VREF2 = 0 V 10-mVPP input step
Figure 17. Step Response
INA240-SEP D022_SBOS662.gif
Falling edge
Figure 19. Common-Mode Voltage Transient Response
INA240-SEP D022_ovt_SBOS662.gif
Figure 2. Offset Voltage vs Temperature
INA240-SEP D004_cmrvt_SBOS662.gif
Figure 4. Common-Mode Rejection Ratio vs Temperature
INA240-SEP D600_gevt_sbos956.gif
Figure 6. Gain Error vs Temperature
INA240-SEP D008_psrvf_SBOS662.gif
Figure 8. Power-Supply Rejection Ratio vs Frequency
INA240-SEP D010_SBOS662.gif
Figure 10. Output Voltage Swing vs Output Current
INA240-SEP D012_ibvcmv5_SBOS662.gif
VS = 0 V
Figure 12. Input Bias Current vs Common-Mode Voltage
INA240-SEP D014_iqvt_SBOS662.gif
Figure 14. Quiescent Current vs Temperature
INA240-SEP D016_nvt_SBOS662.gif
VS = ±2.5 V VCM = 0 V VDIF = 0 V
VREF1 = VREF2 = 0 V Input referred
Figure 16. 0.1-Hz to 10-Hz Voltage Noise
INA240-SEP D021_SBOS662.gif
Rising edge
Figure 18. Common-Mode Voltage Transient Response
INA240-SEP D019_startup_SBOS662.gif
VREF1 = VREF2 = 0 V
Figure 20. Start-Up Response