SBFS036B May   2015  – August 2015 PCM2704C , PCM2705C , PCM2706C

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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. 7.4  Thermal Information: PCM2704C, PCM2705C
    5. 7.5  Thermal Information: PCM2706C, PCM2707C
    6. 7.6  Electrical Characteristics: PCM2704CDB, PCM2705CDB, PCM2706CPJT, PCM2707CPJT
    7. 7.7  Audio Interface Timing Characteristics
    8. 7.8  Audio Clock Timing Characteristics
    9. 7.9  External ROM Read Interface Timing Characteristics
    10. 7.10 SPI Timing Characteristics
    11. 7.11 Typical Characteristics
      1. 7.11.1 Internal Filter: DAC Digital Interpolation Filter Frequency Response
      2. 7.11.2 Internal Filter: DAC Analog Low-Pass Filter Frequency Response
      3. 7.11.3 General Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagrams
    3. 9.3 Feature Description
      1. 9.3.1  Clock and Reset
      2. 9.3.2  Operation Mode Selection
        1. 9.3.2.1 Power Configuration Select/Host Detection
        2. 9.3.2.2 Function Select (PCM2706C/7C Only)
      3. 9.3.3  DAC
      4. 9.3.4  Digital Audio Interface: S/PDIF Output
        1. 9.3.4.1 Channel Status Information
        2. 9.3.4.2 Copyright Management
      5. 9.3.5  Digital Audio Interface: I2S Interface Output (PCM2706C/7C)
      6. 9.3.6  Descriptor Data Modification
      7. 9.3.7  External ROM Descriptor (PCM2704C/6C)
      8. 9.3.8  External ROM Example
      9. 9.3.9  Serial Programming Interface (PCM2705C/7C)
      10. 9.3.10 USB Host Interface Sequence
        1. 9.3.10.1 Power-On, Attach, and Playback Sequence
        2. 9.3.10.2 Play, Stop, and Detach Sequence
        3. 9.3.10.3 Suspend and Resume Sequence
      11. 9.3.11 Operating Environment
    4. 9.4 Device Functional Modes
    5. 9.5 Programming
      1. 9.5.1 USB Interface
        1. 9.5.1.1 Device Configuration
        2. 9.5.1.2 Interface Number 0 (Default/Control Interface)
        3. 9.5.1.3 Interface Number 1 (Isochronous-Out Interface)
        4. 9.5.1.4 Interface Number 2 (HID Interface)
          1. 9.5.1.4.1 HID Items Reported
            1. 9.5.1.4.1.1 Basic HID Operation
            2. 9.5.1.4.1.2 Extended HID Operation (PCM2705/6/7)
            3. 9.5.1.4.1.3 Auxiliary HID Status Report (PCM2705C/7C)
        5. 9.5.1.5 Endpoints
    6. 9.6 Register Maps
      1. 9.6.1 SPI Register (PCM2705C/7C)
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Typical Circuit Connection 1: USB Speaker
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
        3. 10.2.1.3 Application Curves
      2. 10.2.2 Typical Circuit Connection 2: Remote Headphone
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curves
      3. 10.2.3 Typical Circuit Connection 3: DSP Surround Processing Amplifier
        1. 10.2.3.1 Design Requirements
        2. 10.2.3.2 Detailed Design Procedure
        3. 10.2.3.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Related Links
    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

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

13 Device and Documentation Support

13.1 Documentation Support

13.1.1 Related Documentation

For related documentation, see the Updated Operating Environments for PCM270x, PCM290x Applications, SLAA374.

13.2 Related Links

The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy.

Table 14. Related Links

PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY
PCM2704C Click here Click here Click here Click here Click here
PCM2705C Click here Click here Click here Click here Click here
PCM2706C Click here Click here Click here Click here Click here
PCM2707C Click here Click here Click here Click here Click here

13.3 Community Resources

The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use.

    TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers.
    Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support.

13.4 Trademarks

SpAct, E2E are trademarks of Texas Instruments.

System Two Cascade is a trademark of Audio Precision, Inc.

Audio Precision is a registered trademark of Audio Precision, Inc.

All other trademarks are the property of their respective owners.

13.5 Electrostatic Discharge Caution

esds-image

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

13.6 Glossary

SLYZ022 — TI Glossary.

This glossary lists and explains terms, acronyms, and definitions.