SBOS271F May   2003  – February 2026 OPA2300 , OPA2301 , OPA300 , OPA301

PRODUCTION DATA  

  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 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
    4. 6.4 Operating Voltage
    5. 6.5 Input and ESD Protection
    6. 6.6 Enable Function
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Driving Capacitive Loads
      2. 7.2.2 Driving 16 Bit ADC
    3. 7.3 Layout
      1. 7.3.1 Layout Guidelines
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

6.1 Overview

The OPAx30x series op amps use a classic two-stage topology, shown in Figure 6-1. The differential input pair is biased to maximize slew rate without compromising stability or bandwidth. The folded cascode adds the signal from the input pair and presents a differential signal to the class AB output stage. The class AB output stage allows rail- to-rail output swing, with high-impedance loads (> 2kΩ), typically 100mV from the supply rails. With 10Ω loads, a useful output swing is achieved and still maintains high open-loop gain. See the typical characteristics in Section 5.5.