SNOS986E December   2001  – July 2014 LMH6622

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 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 ±6 V Electrical Characteristics
    6. 6.6 ±2.5 V Electrical Characteristics
    7. 6.7 Typical Performance Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Test Circuits
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 DSL Receive Channel Applications
    2. 9.2 Receive Channel Noise Calculation
    3. 9.3 Differential Analog-to-Digital Driver
    4. 9.4 Typical Application
      1. 9.4.1 Design Requirements
      2. 9.4.2 Detailed Design Procedure
      3. 9.4.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Driving Capacitive Load
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Circuit Layout Considerations
    2. 11.2 Layout Examples
      1. 11.2.1 SOIC Layout Example
      2. 11.2.2 VSSOP Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Trademarks
    2. 12.2 Electrostatic Discharge Caution
    3. 12.3 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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8 Detailed Description

8.1 Overview

The LMH6622 is a dual high speed voltage operational amplifier specifically optimized for low noise. The LMH6622 operates from ±2.5 V to ±6 V in dual supply mode and from +5 V to +12 V in single supply configuration.

8.2 Functional Block Diagram

20029226.gifFigure 34. xDSL Analog Front End

8.3 Feature Description

  • 4.5 V to 12 V supply range
  • Large linear output current of 90 mA
  • Excellent harmonic distortion of 90 dBc

8.4 Device Functional Modes

  • Single or dual supplies
  • Traditional voltage feedback topology for maximum flexibility