SBOS153B September   2000  – January 2016 OPA541

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
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Current Limit
      2. 8.1.2 Heat Sinking
      3. 8.1.3 Safe Operating Area
      4. 8.1.4 Replacing Hybrid Power Amplifiers
    2. 8.2 Typical Applications
      1. 8.2.1 Clamping Output for EMF-Generating Loads
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Power Supply Requirements
          2. 8.2.1.2.2 Current Limit and SOA (Safe Operating Area)
          3. 8.2.1.2.3 Heat Sinking
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Paralleled Operation, Extended SOA
        1. 8.2.2.1 Design Requirements
      3. 8.2.3 Programmable Voltage Source
        1. 8.2.3.1 Design Requirements
      4. 8.2.4 16-Bit Programmable Voltage Source
        1. 8.2.4.1 Design Requirements
  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 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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9 Power Supply Recommendations

The OPA541 is specified for operation from power supplies up to ±40 V. The OPA541 can also be operated from unbalanced power supplies or a single power supply, as long as the total power supply voltage does not exceed 80 V. The power supplies should be bypassed with low series-impedance capacitors such as ceramic or tantalum. These must be located as near as practical to the power supply pins of the amplifier. Good power amplifier circuit layout is, in general, similar to good high-frequency layout: consider the path of the large power supply and output currents and avoid routing these connections near low-level input circuitry to avoid waveform distortion and oscillations.