SBOSA00B December   2019  – August 2020 OPA1637

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 Parameter Measurement Information
    1. 7.1 Characterization Configuration
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Super-Beta Input Bipolar Transistors
      2. 8.3.2 Power Down
      3. 8.3.3 Flexible Gain Setting
      4. 8.3.4 Amplifier Overload Power Limit
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Driving Capacitive Loads
      2. 9.1.2 Operating the Power-Down Feature
      3. 9.1.3 I/O Headroom Considerations
      4. 9.1.4 Noise Performance
    2. 9.2 Typical Applications
      1. 9.2.1 Current-Output Audio DAC Buffer to Class-D Amplifier
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 An MFB Filter Driving an ADC Application
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
      3. 9.2.3 Differential Microphone Input to Line Level
        1. 9.2.3.1 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Board Layout Recommendations
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
    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

1 Features

  • Low input voltage noise: 3.7 nV/√Hz at 1 kHz
  • Low THD + N: –120 dB at 1 kHz
  • Low supply current: 950 µA at ±18 V
  • Input offset voltage: ±200 µV (maximum)
  • Input bias current: 2 nA (maximum)
  • Low bias current noise: 400 fA/√Hz at 10 Hz
  • Gain-bandwidth product: 9.2 MHz
  • Differential output slew rate: 15 V/µs
  • Wide input and output common-mode range
  • Wide single-supply operating range: 3 V to 36 V
  • Low supply current power-down feature: < 20 µA
  • Overload power limit
  • Current limit
  • Package: 8-pin VSSOP
  • Temperature range: –40°C to +125°C