SBOSAC6C June   2022  – September 2026 OPA4991-EP , OPA991-EP

PRODMIX  

  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 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 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 Input Protection Circuitry
      2. 6.3.2 EMI Rejection
      3. 6.3.3 Thermal Protection
      4. 6.3.4 Capacitive Load and Stability
      5. 6.3.5 Common-Mode Voltage Range
      6. 6.3.6 Phase Reversal Protection
      7. 6.3.7 Electrical Overstress
      8. 6.3.8 Overload Recovery
      9. 6.3.9 Typical Specifications and Distributions
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Slew Boost
    2. 7.2 Typical Applications
      1. 7.2.1 Low-Side Current Measurement
        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 TINA-TI (Free Software Download)
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

9 Revision History

Changes from Revision B (November 2022) to Revision C (September 2026)

  • Changed wording of slew rate to "high peak slew rate" in Features and Description and wording of inputs from "MUX-friendly/comparator" to "Mux-friendly" in FeaturesGo
  • Updated description of input structure in Features and Input Protection CircuitryGo
  • Added single-channel OPA991-EP in DBV package to Package Information table and throughout documentGo
  • Added OPA991-EP to ESD Ratings Go
  • Added OPA991-EP (DBV) to Thermal Information Go
  • Added VID > 150mV condition to slew rate specification, and added 20mV < VID < 150mV conditionGo
  • Changed Figures 6-26 and 6-39Go
  • Added Slew Boost section with discussion of device slew rate in natural slew and slew-boosted conditionsGo

Changes from Revision A (August 2022) to Revision B (November 2022)

  • Updated thermal resistance valuesGo
  • Increased maximum output voltage swing (VS = 40V, RL = 10kΩ) from 55mV to 70mVGo

Changes from Revision * (June 2022) to Revision A (August 2022)

  • Changed device status from Advance Information to Production DataGo
  • Deleted preview note from SOT-23 (14) package in Device Information tableGo