ZHCSHT3B December   2017  – October 2019 INA381

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Wide Input Common-Mode Voltage Range
      2. 7.3.2 Precise Low-Side Current Sensing
      3. 7.3.3 High Bandwidth and Slew Rate
      4. 7.3.4 Alert Output
      5. 7.3.5 Adjustable Overcurrent Threshold
      6. 7.3.6 Comparator Hysteresis
    4. 7.4 Device Functional Modes
      1. 7.4.1 Alert Modes
        1. 7.4.1.1 Transparent Output Mode
        2. 7.4.1.2 Latch Output Mode
  8. 8 Applications and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Select a Current-Sensing Resistor
        1. 8.1.1.1 Select a Current-Sensing Resistor: Example
      2. 8.1.2 Increase Comparator Hysteresis
      3. 8.1.3 Operation With Common-Mode Transients Greater Than 26 V
      4. 8.1.4 Input Filtering
    2. 8.2 Typical Applications
      1. 8.2.1 Bidirectional Window Comparator
        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 Low-Side Current Sensing
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 文档支持
      1. 11.1.1 相关文档
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • DGS|10
  • DSG|8
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.6 Typical Characteristics

at TA = 25°C, VS = 5 V, VIN+ = 12 V, and alert pullup resistor = 10 kΩ (unless otherwise noted)
INA381 D001_SBOS741.gif
VIN+ = 0 V
Figure 1. Input Offset Voltage Production Distribution (INA381A1)
INA381 D003_SBOS741.gif
VIN+ = 0 V
Figure 3. Input Offset Voltage Production Distribution (INA381A3)
INA381 D005_SBOS741.gif
VIN+ = 0 V
Figure 5. Offset Voltage vs Temperature
INA381 D007_SBOS741.gif
Figure 7. Common-Mode Rejection Production Distribution (INA381A2)
INA381 D009_SBOS741.gif
Figure 9. Common-Mode Rejection Production Distribution (INA381A4)
INA381 D011_SBOS741.gif
Figure 11. Gain Error Production Distribution (INA381A1)
INA381 D013_SBOS741.gif
Figure 13. Gain Error Production Distribution (INA381A3)
INA381 D015_SBOS741.gif
Figure 15. Gain Error vs Temperature
INA381 D017_SBOS741.gif
Figure 17. Power-Supply Rejection Ratio vs Frequency
INA381 D019_SBOS793.gif
Figure 19. Output Voltage Swing vs Output Current
INA381 D021_SBOS741.gif
Supply voltage = 0 V
Figure 21. Input Bias Current vs Common-Mode Voltage (Both Inputs, Shutdown)
INA381 D023_SBOS848.gif
Figure 23. Quiescent Current vs Temperature
INA381 D024_SBOS741.gif
Figure 25. Input-Referred Voltage Noise vs Frequency
(INA381A3 Devices)
INA381 D026_SBOS741.gif
80-mVPP input step
Figure 27. Step Response
INA381 D028_SBOS741.gif
Figure 29. Inverting Differential Input Overload
INA381 D033_SBOS848.gif
Figure 31. Start-Up Response
INA381 D036_SBOS848.gif
Figure 33. Comparator Propagation Delay
INA381 D038_SBOS848.gif
Figure 35. Comparator Propagation Delay vs Temperature
INA381 D040_SBOS848.gif
Figure 37. Low-Level Output Voltage vs Low-Level Output Current
INA381 D042_SBOS848.gif
Figure 39. Reset and Alert Voltage Response
INA381 D002_SBOS741.gif
VIN+ = 0 V
Figure 2. Input Offset Voltage Production Distribution (INA381A2)
INA381 D004_SBOS741.gif
VIN+ = 0 V
Figure 4. Input Offset Voltage Production Distribution (INA381A4)
INA381 D006_SBOS741.gif
Figure 6. Common-Mode Rejection Production Distribution (INA381A1)
INA381 D008_SBOS741.gif
Figure 8. Common-Mode Rejection Production Distribution (INA381A3)
INA381 D010_SBOS741.gif
Figure 10. Common-Mode Rejection Ratio vs Temperature
INA381 D012_SBOS741.gif
Figure 12. Gain Error Production Distribution (INA381A2)
INA381 D014_SBOS741.gif
Figure 14. Gain Error Production Distribution (INA381A4)
INA381 D016_SBOS741.gif
Figure 16. Gain vs Frequency
INA381 D018_SBOS741.gif
Figure 18. Common-Mode Rejection Ratio vs Frequency
INA381 D020_SBOS741.gif
Supply voltage = 5 V
Figure 20. Input Bias Current vs Common-Mode Voltage
INA381 D022_SBOS741.gif
Figure 22. Input Bias Current vs Temperature
INA381 D025_SBOS848.gif
Figure 24. Quiescent Current vs Common-Mode Voltage
INA381 D025_SBOS741.gif
Figure 26. 0.1-Hz to 10-Hz Voltage Noise (Referred-to-Input)
INA381 D027_SBOS793.gif
Figure 28. Common-Mode Voltage Transient Response
INA381 D029_SBOS741.gif
Figure 30. Noninverting Differential Input Overload
INA381 D032_SBOS741.gif
Figure 32. Brownout Recovery
INA381 D037_SBOS848.gif
Figure 34. VSENSE Voltage Response
INA381 D039_SBOS848.gif
Figure 36. Total Propagation Delay vs Temperature
INA381 D041_SBOS848.gif
Figure 38. Hysteresis vs Temperature
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