SBOS995A October   2019  – November 2020 INA290-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Amplifier Input Common-Mode Range
        1. 7.3.1.1 Input-Signal Bandwidth
        2. 7.3.1.2 Low Input Bias Current
        3. 7.3.1.3 Low VSENSE Operation
        4. 7.3.1.4 Wide Fixed Gain Output
        5. 7.3.1.5 Wide Supply Range
    4. 7.4 Device Functional Modes
      1. 7.4.1 Unidirectional Operation
      2. 7.4.2 High Signal Throughput
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 RSENSE and Device Gain Selection
      2. 8.1.2 Input Filtering
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Overload Recovery With Negative VSENSE
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.3.1.2 Low Input Bias Current

The INA290-Q1 input bias current draws 20 μA (typical) even with common-mode voltages as high as 120 V. This enables precision current sensing in applications where the sensed current is small or applications that require lower input leakage current.