SLASE40D May 2015  – April 2016 TPA3251


  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Audio Characteristics (BTL)
    7. 7.7 Audio Characteristics (SE)
    8. 7.8 Audio Characteristics (PBTL)
    9. 7.9 Typical Characteristics, BTL Configuration
    10. 7.10Typical Characteristics, SE Configuration
    11. 7.11Typical Characteristics, PBTL Configuration
  8. Parameter Measurement Information
  9. Detailed Description
    1. 9.1Overview
    2. 9.2Functional Block Diagrams
    3. 9.3Feature Description
      1. 9.3.1Error Reporting
    4. 9.4Device Protection System
      1. 9.4.1Overload and Short Circuit Current Protection
      2. 9.4.2DC Speaker Protection
      3. 9.4.3Pin-to-Pin Short Circuit Protection (PPSC)
      4. 9.4.4Overtemperature Protection OTW and OTE
      5. 9.4.5Undervoltage Protection (UVP) and Power-on Reset (POR)
      6. 9.4.6Fault Handling
      7. 9.4.7Device Reset
  10. 10Application and Implementation
    1. 10.1Application Information
    2. 10.2Typical Applications
      1. 10.2.1Stereo BTL Application
        1. Requirements
        2. Design Procedures
          1. Capacitor Recommendations
          2. Capacitor Recommendation
          3. Material Recommendation
      2. 10.2.2Application Curves
      3. 10.2.3Typical Application, Single Ended (1N) SE
        1. Requirements
        2. Design Procedures
        3. Curves
      4. 10.2.4Typical Application, Differential (2N) PBTL
        1. Requirements
        2. Design Procedures
        3. Curves
  11. 11Power Supply Recommendations
    1. 11.1Power Supplies
      1. 11.1.1VDD Supply
    2. 11.2Powering Up
    3. 11.3Powering Down
  12. 12Layout
    1. 12.1Layout Guidelines
    2. 12.2Layout Examples
      1. 12.2.1BTL Application Printed Circuit Board Layout Example
      2. 12.2.2SE Application Printed Circuit Board Layout Example
      3. 12.2.3PBTL Application Printed Circuit Board Layout Example
  13. 13Device and Documentation Support
    1. 13.1Documentation Support
    2. 13.2Community Resources
    3. 13.3Trademarks
    4. 13.4Electrostatic Discharge Caution
    5. 13.5Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Orderable Information

13 Device and Documentation Support

13.1 Documentation Support

TPA3251EVM User's Guide, SLVUAG8

13.2 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, 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.

13.3 Trademarks

PurePath, E2E are trademarks of Texas Instruments.

Blu-ray Disk is a trademark of Blu-ray Disc Association.

All other trademarks are the property of their respective owners.

13.4 Electrostatic Discharge Caution


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.

13.5 Glossary

SLYZ022TI Glossary.

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