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  • INA122 Single Supply, Micropower Instrumentation Amplifier

    • SBOS069A October   1997  – December 2024 INA122

      PRODUCTION DATA  

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  • INA122 Single Supply, Micropower Instrumentation Amplifier
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Setting the Gain
      2. 6.3.2 Input Common-Mode Range
      3. 6.3.3 Input Protection
      4. 6.3.4 Output Current Range
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Offset Trimming
      2. 7.1.2 Input Bias Current Return Path
    2. 7.2 Typical Application
      1. 7.2.1 Resistive-Bridge Pressure Sensor
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 PSpice® for TI
        2. 8.1.1.2 TINA-TI (Free Software Download)
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
  12. IMPORTANT NOTICE
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Data Sheet

INA122 Single Supply, Micropower Instrumentation Amplifier

1 Features

  • Low quiescent current: 60μA
  • Wide power supply range: 2.2V to 36V
  • Rail-to-rail output swing
  • Low offset voltage: 250μV maximum
  • Low offset drift: 3μV/°C maximum
  • Low noise: 60nV/√Hz
  • Low input bias current: 25nA maximum
  • Packages
    • 4.9mm × 6mm SOIC
    • 9.81mm × 9.43mm PDIP

2 Applications

  • Portable electronics
  • Field transmitters and sensors
  • Pressure transmitters
  • Infusion pumps
  • Electrocardiograms (ECGs)

 
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