SNLS312M August   2010  – July 2015 LMH0394

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 DC Electrical Characteristics
    6. 6.6 AC Electrical Characteristics
    7. 6.7 SPI Interface AC Electrical Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Block Description
      2. 7.3.2 Mute Reference (MuteREF)
      3. 7.3.3 Carrier Detect (CD) and Mute
      4. 7.3.4 Input Interfacing
      5. 7.3.5 Output Interfacing
    4. 7.4 Device Functional Modes
      1. 7.4.1 Auto Sleep
    5. 7.5 Programming
      1. 7.5.1 SPI Register Access
        1. 7.5.1.1  SPI Transaction Overview
        2. 7.5.1.2  SPI Write
        3. 7.5.1.3  SPI Read
        4. 7.5.1.4  SPI Daisy-Chain Operation
        5. 7.5.1.5  SPI Daisy-Chain Write
        6. 7.5.1.6  SPI Daisy-Chain Read
        7. 7.5.1.7  SPI Daisy-Chain Read and Write Example
        8. 7.5.1.8  SPI Daisy-Chain Length Detection
        9. 7.5.1.9  Output Driver Adjustments and De-emphasis Setting
        10. 7.5.1.10 Launch Amplitude Optimization
        11. 7.5.1.11 Cable Length Indicator (CLI)
    6. 7.6 Register Maps
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Interfacing to 3.3-V SPI
      2. 8.1.2 Crosstalk Immunity
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Do's and Dont's
  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

Follow these general guidelines when designing the power supply:

  1. The power supply must be designed to provide the recommended operating conditions in terms of DC voltage and maximum current consumption.
  2. The maximum current draw for the LMH0394 is provided in the data sheet. This number can be used to calculate the maximum current the supply must provide.
  3. The LMH0394 does not require any special power supply filtering, provided the recommended operating conditions are met. Use 0.01-µF capacitors as close to the device VDD pins as possible.