SBAS452A September   2008  – January 2016 PCM3168A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  ESD Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  Thermal Information
    5. 8.5  Electrical Characteristics
    6. 8.6  Timing Requirements: System Clock
    7. 8.7  Timing Requirements: Power-On Reset
    8. 8.8  Timing Requirements: Audio Interface for Left-Justified, Right-Justified, and I2S (Slave Mode)
    9. 8.9  Timing Requirements: Audio Interface for Left-Justified, Right-Justified, and I2S (Master Mode)
    10. 8.10 Timing Requirements: Audio Interface for DSP and TDM (Slave Mode)
    11. 8.11 Timing Requirements: Audio Interface for DSP and TDM (Master Mode)
    12. 8.12 Timing Requirements: DAC Outputs and ADC Outputs
    13. 8.13 Timing Requirements: Four-Wire Serial Control Interface
    14. 8.14 Timing Requirements: SCL and SDA Control Interface
    15. 8.15 Typical Characteristics
      1. 8.15.1 ADC Digital Filter
      2. 8.15.2 DAC Digital Filter
      3. 8.15.3 ADC Performance
      4. 8.15.4 DAC Performance
      5. 8.15.5 Output Spectrum
      6. 8.15.6 Power-Supply
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Analog Inputs
      2. 9.3.2  Analog Outputs
      3. 9.3.3  Voltage References
      4. 9.3.4  System Clock Input
      5. 9.3.5  Sampling Mode
      6. 9.3.6  Reset Operation
      7. 9.3.7  Highpass Filter (HPF)
      8. 9.3.8  Overflow Flag
      9. 9.3.9  Zero Flag
      10. 9.3.10 Four-Wire (SPI) Serial Control
      11. 9.3.11 Control Data Word Format
      12. 9.3.12 Register Write Operation
      13. 9.3.13 Register Read Operation
      14. 9.3.14 Two-Wire (I2C) Serial Control
      15. 9.3.15 Packet Protocol
      16. 9.3.16 Write Operation
      17. 9.3.17 Read Operation
    4. 9.4 Device Functional Modes
      1. 9.4.1 Mode Control
      2. 9.4.2 Hardware Control Mode Configuration
      3. 9.4.3 Audio Serial Port Operation
      4. 9.4.4 Audio Data Interface Formats and Timing
      5. 9.4.5 Synchronization With the Digital Audio System
    5. 9.5 Register Maps
      1. 9.5.1 Control Register Definitions (Software Mode Only)
      2. 9.5.2 Register Definitions
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Analog Input and Output
        2. 10.2.2.2 PCM Interface
      3. 10.2.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 Typical Circuit Connections
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1  Power-Supply Pins (VCCAD1/2, VCCDA1/2, and VDD1/2)
      2. 12.1.2  Grounding (AGNDAD1/2, AGNDDA1/2, and DGND1/2)
      3. 12.1.3  VIN1±, VIN2±, VIN3±, VIN4±, VIN5±, and VIN6± Pins
      4. 12.1.4  VCOMAD and VCOMDA Pins
      5. 12.1.5  VREFAD1/2 Pins
      6. 12.1.6  VOUT1±, VOU2±, VOUT3±, VOUT4±, VOUT5±, VOUT6±, VOUT7±, and VOUT8± Pins
      7. 12.1.7  MODE Pin
      8. 12.1.8  RST Pin
      9. 12.1.9  OVF Pin
      10. 12.1.10 System Clock and Audio Interface Clocks
      11. 12.1.11 PowerPAD
      12. 12.1.12 External Mute Control
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Community Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

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5 Description (continued)

The six-channel, 24-bit analog-to-digital converter (ADC) employs a delta-sigma (ΔΣ) modulator and supports
8-kHz to 96-kHz sampling rates and a 16-bit/24-bit width digital audio output word on the audio interface.

The eight-channel, 24-bit digital-to-analog converter (DAC) employs a ΔΣ modulator and supports 8-kHz to
192-kHz sampling rates and a 16-bit/24-bit width digital audio input word on the audio interface. Each audio interface supports I2S, left-justified, right-justified, and DSP formats with 16-bit/24-bit word width. In addition, the PCM3168A device supports the time-division-multiplexed (TDM) format.

The PCM3168A device can be controlled through a four-wire, SPI-compatible interface, or two-wire, I2C-compatible serial interface in software, which provides access to all functions including digital attenuation, soft mute, de-emphasis, and so forth. Also, hardware control mode provides a subset of user-programmable functions through four control pins. The PCM3168A device is available in a 12-mm × 12-mm (10-mm × 10-mm body) HTQFP-64 PowerPAD™ package.