SBOS051F October   1995  – May 2022 INA128 , INA129

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  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 Noise Performance
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Input Common-Mode Range
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting the Gain
        2. 9.2.2.2 Dynamic Performance
        3. 9.2.2.3 Offset Trimming
        4. 9.2.2.4 Input Bias Current Return Path
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
    1. 10.1 Low-Voltage Operation
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 PSpice® for TI
        2. 12.1.1.2 TINA-TI™ Simulation Software (Free Download)
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

4 Revision History

Changes from Revision E (April 2019) to Revision F (May 2022)

  • Updated the numbering format for tables, figures, and cross-references throughout the documentGo
  • Added bandwidth and noise specifications in Features Go
  • Changed Applications to link to latest end-equipment solutions on ti.comGo
  • Updated simplified schematicGo
  • Changed reference from INA819 to INA818 in Device Comparison Table Go
  • Added single supply specification to Absolute Maximum Ratings Go
  • Added note clarifying output short-circuit "to ground" in Absolute Maximum Ratings refers to short-circuit to VS / 2Go
  • Added single supply specification to Recommended Operating Conditions Go
  • Changed input common-mode voltage range specification from V – 2 to (V–) + 2 in Recommended Operating Conditions Go
  • Deleted INA128-HT and INA129-HT operating temperature specifications from Recommended Operating Conditions Go
  • Added specified temperature range to Recommended Operating Conditions Go
  • Added VREF = 0 V, VCM = VS / 2, and G = 1 to "unless otherwise noted" conditions in Electrical Characteristics and Typical Characteristics for clarityGo
  • Changed test condition for offset voltage drift specification in Electrical Characteristics from "TA = TMIN to TMAX" to "TA = –40°C to +85°C" for clarityGo
  • Changed typical long-term stability specification from ±0.1±3/G µV/mo to ±0.2±3/G µV/mo in Electrical Characteristics Go
  • Changed common-mode voltage specification from (V–) + 2 V minimum and (V+) – 2 V minimum across two rows to (V– ) + 2 V minimum and (V+) – 2 V maximum across one row in Electrical Characteristics Go
  • Deleted typical common-mode voltage specifications in Electrical Characteristics  Go
  • Added test condition of "RS = 0 Ω" to safe input voltage specification in Electrical Characteristics for clarityGo
  • Added test condition of "TA = –40°C to +85°C" to input bias current drift specification in Electrical Characteristics for clarityGo
  • Added test condition of "TA = –40°C to +85°C" to input offset current drift specification in Electrical Characteristics for clarityGo
  • Changed maximum gain error specification for INA128PA/UA and INA129PA/UA with G = 1 from ±0.01% to ±0.1% in Electrical Characteristics Go
  • Added test condition of "TA = –40°C to +85°C" for gain drift in Electrical Characteristics for clarityGo
  • Changed parameter names from "Voltage - Positive" to "Positive output voltage swing" and from "Voltage - Negative" to "Negative output voltage swing" in Electrical Characteristics Go
  • Deleted typical positive and negative output voltage swing specifications in Electrical Characteristics Go
  • Added test condition of "Continuous to VS / 2" to short-circuit current specification in Electrical Characteristics for clarityGo
  • Changed typical bandwidth specification for G = 10 from 700 kHz to 640 kHz in Electrical Characteristics Go
  • Changed typical slew rate specification from 4 V/µs to 1.2 V/µs in Electrical Characteristics Go
  • Changed typical settling time specification for G = 1, G = 10, and G = 100 from 7 µs, 7 µs, and 9 µs respectively to 12 µs, 12 µs, and 12 µs, in Electrical Characteristics Go
  • Deleted redundant voltage range, operating temperature range, and specification temperature range specifications from Electrical Characteristics Go
  • Changed Figures 7-1, 7-3, 7-4, 7-9, 7-10, 7-11, 7-16, 7-17, 7-20, 7-21Go
  • Changed functional block diagramGo
  • Add link to input overvoltage plot.Go
  • Changed values discussed in Input Common-Mode Range from typical input common-mode voltage range values to maximum and minimum values.Go
  • Changed Figure 9-1 to fix missing text and include reference voltageGo
  • Added more detailed guidance concerning REF pin in Design Requirements Go
  • Added link to application note about the importance of a valid input bias current return pathGo
  • Changed Figures 9-6, 9-7Go
  • Changed Figures 9-10 and 9-11 to fix missing textGo
  • Moved figures to System Examples sectionGo
  • Added Related Documentation links to Device and Documentation Support Go

Changes from Revision D (January 2018) to Revision E (April 2019)

  • Added information about the newer, upgraded INA828Go
  • Added Device Comparison Table Go

Changes from Revision C (October 2015) to Revision D (January 2018)

  • Added top navigator icon for TI Reference Design Go
  • Changed "±0.5±0/G" to "±0.5±20/G" in MAX column of Offset voltage RTI vs temperature row of Electrical Characteristics.Go

Changes from Revision B (February 2005) to Revision C (April 2015)

  • Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section.Go