SBOS855C February   2017  – June 2019 OPA1678 , OPA1679

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Simplified Internal Schematic
      2.      THD+N vs Frequency (2-kΩ Load)
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions: OPA1678
    2.     Pin Functions: OPA1679
    3.     Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information: OPA1678
    5. 6.5 Thermal Information: OPA1679
    6. 6.6 Electrical Characteristics: VS = ±15 V
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Phase Reversal Protection
      2. 7.3.2 Electrical Overstress
      3. 7.3.3 EMI Rejection Ratio (EMIRR)
        1. 7.3.3.1 EMIRR IN+ Test Configuration
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operating Voltage
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Capacitive Loads
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Power Supply
        2. 8.2.2.2 Input Network
        3. 8.2.2.3 Gain
        4. 8.2.2.4 Output Network
      3. 8.2.3 Application Curves
      4. 8.2.4 Other Applications
        1. 8.2.4.1 Phono Preamplifier for Moving Magnet Cartridges
        2. 8.2.4.2 Single-Supply Electret Microphone Preamplifier
        3. 8.2.4.3 Composite Headphone Amplifier
        4. 8.2.4.4 Differential Line Receiver With AC-Coupled Outputs
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Power Dissipation
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 TINA-TI™ (Free Software Download)
        2. 11.1.1.2 DIP Adapter EVM
        3. 11.1.1.3 Universal Operational Amplifier EVM
        4. 11.1.1.4 TI Precision Designs
        5. 11.1.1.5 WEBENCH Filter Designer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Community Resource
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

Features

  • Low noise: 4.5 nV/√Hz at 1 kHz
  • Low distortion: 0.0001% at 1 kHz
  • High open-loop gain: 114 dB
  • High common-mode rejection: 110 dB
  • Low quiescent current:
    • 2 mA per channel
  • Low input bias current: 10 pA (typical)
  • Slew rate: 9 V/μs
  • Wide gain bandwidth: 16 MHz (G = 1)
  • Unity-gain stable
  • Rail-to-rail output
  • Wide supply range:
    • ±2.25 V to ±18 V, or 4.5 V to 36 V
  • Dual-channel and quad-channel versions
  • Small package sizes:
    • Dual-channel: SO-8, MSOP-8, SON-8
    • Quad-channel: SO-14, TSSOP-14, QFN-16