SPVA061 June   2026

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Pin Configuration and Functions
  6. 3Application Schematics
    1. 3.1 Recommended Component Ratings
  7. 4Layout Guidelines
    1. 4.1  VDD Pin
    2. 4.2  PVDD Pin
    3. 4.3  GREG Pin
    4. 4.4  SW Pin
    5. 4.5  VBAT Pin
    6. 4.6  VBAT_SNS Pin
    7. 4.7  OUT_P and OUT_N Pins
      1. 4.7.1 Optional EMI Filter on Output
    8. 4.8  IOVDD Pin
    9. 4.9  DREG Pin
    10. 4.10 Digital I/O Pins
    11. 4.11 Ground Pins
  8. 5Summary
  9. 6References

Abstract

The TAS2573 audio amplifier is a class of digital input Class-D audio amplifiers optimized for efficiency and battery life in real music and voice applications. The amplifier is capable of delivering high output power using an integrated Class-H boost converter.

This application note describes the recommended practices in the design and PCB layout for designs that use this family of devices to provide high quality and reliability of the device in the system, and enable higher efficiency and performance once integrated into the system.