SBOSAE8C October   2023  – April 2025 OPA2323 , OPA323 , OPA4323

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information for Single Channel
    5. 6.5 Thermal Information for Dual Channel
    6. 6.6 Thermal Information for Quad Channel
    7. 6.7 Electrical Characteristics
    8. 6.8 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Operating Voltage
      2. 7.3.2  Rail-to-Rail Input
      3. 7.3.3  Rail-to-Rail Output
      4. 7.3.4  Common-Mode Rejection Ratio (CMRR)
      5. 7.3.5  Capacitive Load and Stability
      6. 7.3.6  Overload Recovery
      7. 7.3.7  EMI Rejection
      8. 7.3.8  ESD and Electrical Overstress
      9. 7.3.9  Input ESD Protection
      10. 7.3.10 Shutdown Function
      11. 7.3.11 Packages with an Exposed Thermal Pad
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 OPAx323 in Low-Side, Current Sensing Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4.     Trademarks
    5. 9.4 Electrostatic Discharge Caution
    6. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

1 Features

  • Zero cross amplifier for 1.7V to 5.5V applications
  • High rail-to-rail CMRR: 114dB typical
  • High gain-bandwidth product: 20MHz
  • Fast slew-rate: 33V/μs typical
  • Fast 0.01% settling: 200ns typical for 2V step
  • Low input offset voltage: ±150µV typical
  • Low noise floor: 5.5nV/√Hz typical at 10kHz
  • High output current: ±110mA typical ISC at 5.5V
  • Quiescent current: 1.6mA/ch typical
  • Rail-to-rail input and output
  • Unity-gain stable
  • Drives up to 150pF without sustained oscillations
  • Internal RFI and EMI filtered input pins
  • Operating temperature range: –40°C to 125°C