JAJSL77A February   2021  – April 2021 OPA2607-Q1 , OPA607-Q1

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Device Comparison
  6. 6 Pin Configuration and 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 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 Operating Voltage
      2. 8.3.2 Rail-to-Rail Output and Driving Capacitive Loads
      3. 8.3.3 Input and ESD Protection
      4. 8.3.4 Decompensated Architecture with Wide Gain-Bandwidth Product
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operating Mode
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 100-kΩ Gain Transimpedance Design
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Noninverting Gain of 3 V/V
      3. 9.2.3 High-Input Impedance (Hi-Z), High-Gain Signal Front-End
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curves
      4. 9.2.4 Low-Cost, Low Side, High-Speed Current Sensing
        1. 9.2.4.1 Design Requirements
        2. 9.2.4.2 Detailed Design Procedure
        3. 9.2.4.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Examples
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 サポート・リソース
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, 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

9.2.4.1 Design Requirements

The objective is to design a high-speed, high-gain bidirectional current-sensing circuit for power systems and motor drive systems. Section 9.2.4.2 lists the design requirements of this application.

Table 9-3 Design Parameters
PARAMETERDESIGN REQUIREMENT
Amplifier and ADC supply3.3 V
Peak current to be measured from load to ground20 A
Peak current to be measured from ground to load12 A
Required Accuracy of current measurement0.1%
Signal-Setting time at ADC input< 1 µs
Current sensing directionBidirectional