ZHCSA60C May   2012  – May 2015 PCM5100A , PCM5100A-Q1 , PCM5101A , PCM5101A-Q1 , PCM5102A , PCM5102A-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 简化系统图
  5. 5 修订历史记录
  6. 6 Device Comparison
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings Updated ESD Data
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Requirements
    7. 8.7 Timing Requirements, XSMT
    8. 8.8 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Terminology
      2. 9.3.2 Audio Data Interface
        1. 9.3.2.1 Audio Serial Interface
        2. 9.3.2.2 PCM Audio Data Formats
        3. 9.3.2.3 Zero Data Detect
      3. 9.3.3 XSMT Pin (Soft Mute / Soft Un-Mute)
      4. 9.3.4 Audio Processing
        1. 9.3.4.1 Interpolation Filter
      5. 9.3.5 Reset and System Clock Functions
        1. 9.3.5.1 Clocking Overview
        2. 9.3.5.2 Clock Slave Mode With Master/System Clock (SCK) Input (4 Wire I2S)
        3. 9.3.5.3 Clock Slave Mode with BCK PLL to Generate Internal Clocks (3-Wire PCM)
    4. 9.4 Device Functional Modes
      1. 9.4.1 External SCK and PLL Activation
        1. 9.4.1.1 Interpolation Filter Modes
        2. 9.4.1.2 44.1kHz De-emphasis
        3. 9.4.1.3 Audio Format
  10. 10Applications and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Typical Applications
        1. 10.1.1.1 Example Design Requirements
        2. 10.1.1.2 Detailed Design Procedure
        3. 10.1.1.3 Application Curve
  11. 11Power Supply Recommendations
    1. 11.1 Power Supply Distribution and Requirements
    2. 11.2 Recommended Powerdown Sequence
      1. 11.2.1 Planned Shutdown
      2. 11.2.2 Unplanned Shutdown
    3. 11.3 External Power Sense Undervoltage Protection Mode
    4. 11.4 Power-On Reset Function
    5. 11.5 PCM510xA Power Modes
      1. 11.5.1 Setting Digital Power Supplies and I/O Voltage Rails
      2. 11.5.2 Power Save Modes
  12. 12Layout
    1. 12.1 Layout Guidelines
  13. 13器件和文档支持
    1. 13.1 相关链接
    2. 13.2 社区资源
    3. 13.3 商标
    4. 13.4 静电放电警告
  14. 14机械、封装和可订购信息
    1. 14.1 机械数据

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

10 Applications and Implementation

NOTE

Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality.

10.1 Application Information

10.1.1 Typical Applications

PCM5100A PCM5101A PCM5102A PCM5100A-Q1 PCM5101A-Q1 PCM5102A-Q1 pcm510x_barebones_app.gif Figure 33. Simplified Schematic, Hardware-Controlled Subsystem

10.1.1.1 Example Design Requirements

  • Device control method: hardware control
    • Normal filter latency
    • I2S digital audio interface
    • Power rail monitoring from the system 12-V rail to mute early on system power loss
  • Single-ended 2.1-VRMS analog outputs
  • 3-wire I2S interface (BCK PLL)
  • Single 3.3-V supply

10.1.1.2 Detailed Design Procedure

10.1.1.3 Application Curve

PCM5100A PCM5101A PCM5102A PCM5100A-Q1 PCM5101A-Q1 PCM5102A-Q1 fft_-60dB_5101.gif Figure 34. PCM5101A FFT Plot, DC to 20 kHz with a 1 kHz, –60dBFS Input