ZHCSPD8A April   2022  – September 2022 PCM1820-Q1 , PCM1821-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4.     Thermal Information
    5. 7.4 Electrical Characteristics
    6. 7.5 Timing Requirements: TDM, I2S or LJ Interface
    7. 7.6 Switching Characteristics: TDM, I2S or LJ Interface
    8. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Hardware Control
      2. 8.3.2 Audio Serial Interfaces
        1. 8.3.2.1 Time Division Multiplexed Audio (TDM) Interface
        2. 8.3.2.2 Inter IC Sound (I2S) Interface
      3. 8.3.3 Phase-Locked Loop (PLL) and Clock Generation
      4. 8.3.4 Input Channel Configurations
      5. 8.3.5 Reference Voltage
      6. 8.3.6 Signal-Chain Processing
        1. 8.3.6.1 Digital High-Pass Filter
        2. 8.3.6.2 Configurable Digital Decimation Filters
          1. 8.3.6.2.1 Linear Phase Filters
            1. 8.3.6.2.1.1 Sampling Rate: 8 kHz or 7.35 kHz
            2. 8.3.6.2.1.2 Sampling Rate: 16 kHz or 14.7 kHz
            3. 8.3.6.2.1.3 Sampling Rate: 24 kHz or 22.05 kHz
            4. 8.3.6.2.1.4 Sampling Rate: 32 kHz or 29.4 kHz
            5. 8.3.6.2.1.5 Sampling Rate: 48 kHz or 44.1 kHz
            6. 8.3.6.2.1.6 Sampling Rate: 96 kHz or 88.2 kHz
            7. 8.3.6.2.1.7 Sampling Rate: 192 kHz or 176.4 kHz
          2. 8.3.6.2.2 Low-Latency Filters
            1. 8.3.6.2.2.1 Sampling Rate: 16 kHz or 14.7 kHz
            2. 8.3.6.2.2.2 Sampling Rate: 24 kHz or 22.05 kHz
            3. 8.3.6.2.2.3 Sampling Rate: 32 kHz or 29.4 kHz
            4. 8.3.6.2.2.4 Sampling Rate: 48 kHz or 44.1 kHz
            5. 8.3.6.2.2.5 Sampling Rate: 96 kHz or 88.2 kHz
      7. 8.3.7 Dynamic Range Enhancer (DRE)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Active Mode
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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订购信息

5 Device Comparison Table

FEATURE PCM1820-Q1 PCM1821-Q1 PCM1822-Q1 PCM3120-Q1 PCM5120-Q1 PCM6120-Q1
Control interface Pin control I2C
Digital audio serial interface TDM or I2S TDM or I2S or left-justified (LJ)
Audio analog channel 2
Digital microphone channel Not available 4
Programmable MICBIAS voltage N/A Yes
Dynamic range (DRE disabled) 113 dB 106 dB 111dB 106 dB 108 dB 113 dB
Dynamic range (DRE enabled) 123 dB Not available 117dB Not available 120 dB 123 dB
ADC SNR with DRE 123 dB N/A 117dB N/A 120 dB 123 dB
Input Voltage 2Vrms 1Vrms 2Vrms
Input Type Differential Differential/Single-Ended
Input impedance 2.5 kΩ 10 kΩ 2.5 kΩ 2.5 kΩ, 10 kΩ, 20 kΩ
Compatibility Pin-to-pin, package, drop-in replacements of each other Pin-to-pin, package, and control registers compatible; drop-in replacements of each other
Package WQFN (RTE), 20-pin, 3.00 mm × 3.00 mm (0.5-mm pitch)