SLOS759E March   2012  – December 2015 TPA3111D1-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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 DC Characteristics: VCC = 24 V
    6. 6.6 DC Characteristics: VCC = 12 V
    7. 6.7 AC Characteristics: VCC = 24 V
    8. 6.8 AC Characteristics: VCC = 12 V
    9. 6.9 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 DC Detect
      2. 7.3.2 Short-Circuit Protection and Automatic Recovery Feature
      3. 7.3.3 Thermal Protection
      4. 7.3.4 GVDD Supply
    4. 7.4 Device Functional Modes
      1. 7.4.1 Gain Setting Through Gain0 and Gain1 Inputs
      2. 7.4.2 SD Operation
      3. 7.4.3 PLIMIT
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1  Class-D Operation
        2. 8.2.2.2  TPA3111D1-Q1 Modulation Scheme
        3. 8.2.2.3  Ferrite Bead Filter Considerations
        4. 8.2.2.4  Efficiency: LC Filter Required With the Traditional Class-D Modulation Scheme
        5. 8.2.2.5  When to Use an Output Filter for EMI Suppression
        6. 8.2.2.6  Input Resistance
        7. 8.2.2.7  Input Capacitor, CI
        8. 8.2.2.8  BSN and BSP Capacitors
        9. 8.2.2.9  Differential Inputs
        10. 8.2.2.10 Using Low-ESR Capacitors
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • PWP|28
Thermal pad, mechanical data (Package|Pins)
Orderable Information

11 Device and Documentation Support

11.1 Documentation Support

11.1.1 Related Documentation

For related documentation see the following:

  • AN-1737 Managing EMI in Class D Audio Applications, SNAA050
  • AN-1849 An Audio Amplifier Power Supply Design,
  • Guidelines for Measuring Audio Power Amplifier Performance, SLOA068
  • Maximum Slew Rate on High-Voltage Pins for TPA3111D1, SLUA626
  • PowerPAD™ Thermally Enhanced Package, SLMA002
  • TPA3111D1EVM Audio Amplifier Evaluation Board, SLOU270
  • TPA3110D2EVM Audio Amplifier Evaluation Board, SLOU263
  • Using Thermal Calculation Tools for Analog Components, SLUA566

11.2 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.

11.3 Trademarks

SpeakerGuard, PowerPAD, E2E are trademarks of Texas Instruments.

All other trademarks are the property of their respective owners.

11.4 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.

11.5 Glossary

SLYZ022 — TI Glossary.

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