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  • TAC5142 Hardware-control stereo audio codec with 103dB dynamic range ADC and 110dB dynamic range DAC

    • SLASF28A December   2023  – November 2024 TAC5142

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  • TAC5142 Hardware-control stereo audio codec with 103dB dynamic range ADC and 110dB dynamic range DAC
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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: TDM, I2S or LJ Interface
    7. 6.7 Switching Characteristics: TDM, I2S or LJ Interface
    8. 6.8 Timing Diagrams
    9. 6.9 Typical Characteristics
  8. 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 Audio Serial Interfaces
        1. 7.3.2.1 Time Division Multiplexed Audio (TDM) Interface
        2. 7.3.2.2 Inter IC Sound (I2S) Interface
        3. 7.3.2.3 Left-Justified (LJ) Interface
      3. 7.3.3 Phase-Locked Loop (PLL) and Clock Generation
      4. 7.3.4 Analog Input and Output Configurations
      5. 7.3.5 Reference Voltage
      6. 7.3.6 Integrated Microphone Bias
      7. 7.3.7 ADC Signal-Chain
        1. 7.3.7.1 Digital High-Pass Filter
        2. 7.3.7.2 Configurable Digital Decimation Filters
          1. 7.3.7.2.1 Linear-phase filters
            1. 7.3.7.2.1.1 Sampling Rate: 8kHz or 7.35kHz
            2. 7.3.7.2.1.2 Sampling Rate: 16kHz or 14.7kHz
            3. 7.3.7.2.1.3 Sampling Rate: 24kHz or 22.05kHz
            4. 7.3.7.2.1.4 Sampling Rate: 32kHz or 29.4kHz
            5. 7.3.7.2.1.5 Sampling Rate: 48kHz or 44.1kHz
            6. 7.3.7.2.1.6 Sampling Rate: 96kHz or 88.2kHz
            7. 7.3.7.2.1.7 Sampling Rate: 192kHz or 176.4kHz
          2. 7.3.7.2.2 Low-latency Filters
            1. 7.3.7.2.2.1 Sampling Rate: 24kHz or 22.05kHz
            2. 7.3.7.2.2.2 Sampling Rate: 32kHz or 29.4kHz
            3. 7.3.7.2.2.3 Sampling Rate: 48kHz or 44.1kHz
            4. 7.3.7.2.2.4 Sampling Rate: 96kHz or 88.2kHz
            5. 7.3.7.2.2.5 Sampling Rate: 192kHz or 176.4kHz
      8. 7.3.8 DAC Signal-Chain
        1. 7.3.8.1 Digital Interpolation Filters
          1. 7.3.8.1.1 Linear-phase filters
            1. 7.3.8.1.1.1 Sampling Rate: 8kHz or 7.35kHz
            2. 7.3.8.1.1.2 Sampling Rate: 16kHz or 14.7kHz
            3. 7.3.8.1.1.3 Sampling Rate: 24kHz or 22.05kHz
            4. 7.3.8.1.1.4 Sampling Rate: 32kHz or 29.4kHz
            5. 7.3.8.1.1.5 Sampling Rate: 48kHz or 44.1kHz
            6. 7.3.8.1.1.6 Sampling Rate: 96kHz or 88.2kHz
            7. 7.3.8.1.1.7 Sampling Rate: 192kHz or 176.4kHz
          2. 7.3.8.1.2 Low-latency Filters
            1. 7.3.8.1.2.1 Sampling Rate: 24kHz or 22.05kHz
            2. 7.3.8.1.2.2 Sampling Rate: 32kHz or 29.4kHz
            3. 7.3.8.1.2.3 Sampling Rate: 48kHz or 44.1kHz
            4. 7.3.8.1.2.4 Sampling Rate: 96kHz or 88.2kHz
            5. 7.3.8.1.2.5 Sampling Rate: 192kHz or 176.4kHz
    4. 7.4 Device Functional Modes
      1. 7.4.1 Active Mode
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Application
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
      4. 8.2.4 Application Performance Plots
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
  13. IMPORTANT NOTICE
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Data Sheet

TAC5142 Hardware-control stereo audio codec with 103dB dynamic range ADC and 110dB dynamic range DAC

1 Features

  • Stereo audio ADC Channels
    • Performance:
      • Line/Microphone differential input dynamic range: 103dB
      • Differential input THD+N: –91dB
    • Input voltage:
      • Differential, 2VRMS full-scale inputs
      • Single-ended, 1VRMS full-scale inputs
    • ADC sample rates (fS) = 8kHz to 192kHz
    • Digital HPF with configurable cut-off frequency:
      • 1Hz or 12Hz, at 48kHz sampling rate
    • Low noise microphone bias
  • Stereo audio DAC Channels
    • Performance:
      • DAC to differential line-out dynamic range: 110 dB
      • DAC to pseudo-differential headphone-out dynamic range: 107 dB
      • THD+N: –100 dB
    • Output voltage:
      • Differential line-out/receiver, 2VRMS full-scale
      • Pseudo-differential headphone, 1VRMS full-scale
      • Single-ended line-out, 1VRMS full-scale
    • DAC sample rates (fs) = 8kHz to 192kHz
  • Common Features
    • Pin or Hardware Control
    • Audio Serial Interface
      • Format: TDM, I2S, or Left-justified (LJ)
      • Bus Controller and Target Modes
      • Configurable TDM Slots
      • Word Length: Selectable 24 or 32 Bits
    • Pin-selectable digital decimation/interpolation filter options:
      • Linear-phase or Low-latency
    • Integrated PLL
    • Auto clock & sample rate detection
    • Interrupt output on clock error
    • Single Supply Operation AVDD: 1.8V or 3.3V
    • I/O Supply Operation: 1.8V or 3.3V
    • Temperature grade 1: –40°C ≤ TA ≤ +125°C

2 Applications

  • Video Conference System
  • IP Network Camera
  • IP Telephone
  • Smart Speakers
  • Professional audio mixer/control surface

 
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