ZHCSK28E April   2003  – July 2019 PCM1753 , PCM1754 , PCM1755

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      功能方框图
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 System Clock Input Timing
    7. 7.7 Audio Interface Timing
    8. 7.8 Control Interface Timing Requirements
    9. 7.9 Typical Characteristics
      1. 7.9.1 Digital Filter (De-Emphasis Off)
      2. 7.9.2 Analog Dynamic Performance (Supply Voltage Characteristics)
      3. 7.9.3 Analog Dynamic Performance (Temperature Characteristics)
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 System Clock and Reset Functions
        1. 8.3.1.1 System Clock Input
        2. 8.3.1.2 Power-On Reset Functions
      2. 8.3.2 Audio Serial Interface
        1. 8.3.2.1 Audio Data Formats and Timing
      3. 8.3.3 Zero Flag (PCM1754)
      4. 8.3.4 Zero Flag (PCM1753)
      5. 8.3.5 Zero Flag Outputs
      6. 8.3.6 Analog Outputs
        1. 8.3.6.1 VCOM Output
    4. 8.4 Device Functional Modes
      1. 8.4.1 Hardware Control (PCM1754)
      2. 8.4.2 Oversampling Rate Control (PCM1754)
    5. 8.5 Programming
      1. 8.5.1 Software Control (PCM1753/55)
        1. 8.5.1.1 Register Write Operation
    6. 8.6 Register Maps
      1. 8.6.1 Mode Control Registers (PCM1753/55)
        1. 8.6.1.1 User-Programmable Mode Controls
        2. 8.6.1.2 Register Definitions
          1. 8.6.1.2.1  ATx[7:0]: Digital Attenuation Level Setting
          2. 8.6.1.2.2  MUTx: Soft Mute Control
          3. 8.6.1.2.3  OVER: Oversampling Rate Control
          4. 8.6.1.2.4  SRST: Reset
          5. 8.6.1.2.5  DACx: DAC Operation Control
          6. 8.6.1.2.6  DM12: Digital De-Emphasis Function Control
          7. 8.6.1.2.7  DMF[1:0]: Sampling Frequency Selection for the De-Emphasis Function
          8. 8.6.1.2.8  FMT[2:0]: Audio Interface Data Format
          9. 8.6.1.2.9  FLT: Digital Filter Rolloff Control
          10. 8.6.1.2.10 DREV: Output Phase Select
          11. 8.6.1.2.11 ZREV: Zero Flag Polarity Select
          12. 8.6.1.2.12 AZRO: Zero Flag Function Select
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Design Parameters
        2. 9.2.1.2 Power Supplies and Grounding
        3. 9.2.1.3 D/A Output Filter Circuits
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Total Harmonic Distortion + Noise
        2. 9.2.2.2 Dynamic Range
        3. 9.2.2.3 Idle Channel Signal-to-Noise Ratio (SNR)
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 相关文档　
    2. 12.2 相关链接
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 Glossary
  13. 13机械、封装和可订购信息

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

8.3.6.1 VCOM Output

One unbuffered common-mode voltage output pin, VCOM (pin 10) is brought out for decoupling purposes. This pin is nominally biased to a dc voltage level equal to 0.5 VCC. This pin can be used to bias external circuits. Figure 25 shows an example of using the VCOM pin for external biasing applications.

PCM1753 PCM1754 PCM1755 biasing_external_circuits_les254.gifFigure 25. Biasing External Circuits Using the VCOM Pin
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