SLES177B April   2006  – August 2015 PCM1808

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 Timing Requirements
    7. 6.7 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 Hardware Control
      2. 7.3.2 System Clock
      3. 7.3.3 Synchronization With Digital Audio System
      4. 7.3.4 Power On
      5. 7.3.5 Serial Audio Data Interface
        1. 7.3.5.1 Interface Mode
          1. 7.3.5.1.1 Master Mode
          2. 7.3.5.1.2 Slave Mode
        2. 7.3.5.2 Data Format
        3. 7.3.5.3 Interface Timing
    4. 7.4 Device Functional Modes
      1. 7.4.1 Fade-In and Fade-Out Functions
      2. 7.4.2 Clock-Halt Power-Down and Reset Function
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Control Pins
        2. 8.2.2.2 Master Clock
        3. 8.2.2.3 DSP or Audio Processor
        4. 8.2.2.4 Input Filters
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 VCC, VDD Pins
      2. 10.1.2 AGND, DGND Pins
      3. 10.1.3 VINL, VINR Pins
      4. 10.1.4 VREF Pin
      5. 10.1.5 DOUT Pin
      6. 10.1.6 System Clock
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

9 Power Supply Recommendations

The PCM1808 device requires a 5-V nominal supply and a 3.3-V nominal supply. The 5-V supply is for the analog circuitry powered by the VCC pin. The 3.3-V supply is for the digital circuitry powered by the VDD pin. The decoupling capacitors for the power supplies should be placed close to the device terminals.

A VCC that varies from the nominal 5 V affects the reference voltage for the input. This has a slight impact on the data conversion of the device.
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