JAJSM04A june   2021  – march 2023 INA254

PRODUCTION DATA  

  1. 特長
  2. アプリケーション
  3. 概要
  4. Revision History
  5. Device Comparison
  6. Pin Configuration and Functions
  7. 仕様
    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 Integrated Shunt Resistor
      2. 8.3.2 Short-Circuit Duration
      3. 8.3.3 Temperature Stability
      4. 8.3.4 Enhanced PWM Rejection Operation
      5. 8.3.5 Input Signal Bandwidth
    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
      3. 8.4.3 Ground Referenced Output
      4. 8.4.4 Reference Pin Connections for Bidirectional Current Measurements
        1. 8.4.4.1 Output Set to External Reference Voltage
      5. 8.4.5 Output Set to Mid-Supply Voltage
      6. 8.4.6 Output Set to Mid-External Reference
      7. 8.4.7 Output Set Using Resistor Divider
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Input Filtering
    2. 9.2 Typical Applications
      1. 9.2.1 Speaker Enhancements and Diagnostics Using Current Sense Amplifier
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 ドキュメントの更新通知を受け取る方法
    4. 10.4 サポート・リソース
    5. 10.5 Trademarks
    6. 10.6 静電気放電に関する注意事項
    7. 10.7 用語集
  11. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Typical Characteristics

at TA = 25°C, VS = 5 V, VIN+ = 12 V, and VREF = VS / 2 (unless otherwise noted)

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All gains
Figure 7-1 Input Offset Current Production Distribution
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All gains
Figure 7-3 Common-Mode Rejection Production Distribution

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Figure 7-5 Power-Supply Rejection Ratio vs Temperature
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Figure 7-7 Gain Error Production Distribution (INA254A2)

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Figure 7-9 System Gain Error vs Temperature
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Figure 7-11 Power-Supply Rejection Ratio vs Frequency

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Figure 7-13 Reference Divider Accuracy vs Temperature

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Figure 7-15 Output Voltage Swing High vs Temperature

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Figure 7-17 Package Resistance vs Temperature

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VS = 0 V
Figure 7-19 Input Bias Current vs Common-Mode Voltage

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Figure 7-21 Quiescent Current vs Temperature

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Figure 7-23 INA254A1 Input-Referred Current Noise vs Frequency

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Figure 7-25 INA254A3 Input-Referred Current Noise vs Frequency

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VREF1 = VREF2 = 0 V, 10-mVPP input step
Figure 7-27 Amplifier Step Response

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Figure 7-29 Start-Up Response

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Falling Edge
Figure 7-31 Common-Mode Voltage Transient Response

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Figure 7-2 Input Offset Current vs Temperature

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Figure 7-4 Common-Mode Rejection Ratio vs Temperature
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Figure 7-6 Gain Error Production Distribution (INA254A1)
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Figure 7-8 Gain Error Production Distribution (INA254A3)

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VCM = 0 V, VDIFF = 10-mVPP sine
Figure 7-10 Amplifier Gain Error vs Frequency

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Figure 7-12 Common-Mode Rejection Ratio vs Frequency

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VS = 5 V
Figure 7-14 Output Voltage Swing vs Output Current

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Figure 7-16 Output Voltage Swing Low vs Temperature

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VS = 5 V
Figure 7-18 Input Bias Current vs Common-Mode Voltage

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Figure 7-20 Input Bias Current vs Temperature

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Figure 7-22 Quiescent Current vs Common-Mode Voltage

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Figure 7-24 INA254A2 Input-Referred Current Noise vs Frequency

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Figure 7-26 0.1-Hz to 10-Hz Current Noise (Referred-to-Input)

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VREF1 = VREF2 = 0 V
Figure 7-28 Common-Mode Transient Response

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Rising Edge
Figure 7-30 Common-Mode Voltage Transient Response