TPA3251 3ch

PurePath™ Ultra-HD

Class D Audio Amplifier



  • EAUMT-0100-3-A is a 3 channel class D amplifier module base on TPA3251D2EVM with customized design and mainly suit for both consumer and professional DIY project.
  • To obtain lower noise and lower THD+N, We successful achieved by improved design on low noise analog front end, PCB layout and also components selection.
  • Configurable for 2.2 Channel(EAUMT-0100-4-A) or 2.1 Channel
  • This module had been tested and verified, please refer to Test Report for detail.

Key Features

  • Enhanced design with very low output noise (62uV/A-weighted) and lower THD+N (0.0015%/20W/4ohm)
  • 2 Channel 100W/4ohm,1 Channel 200W/2ohm at 30V 1% THD+N
  • Fully differential layout design for better noise cancellation
  • Smaller and Compact size(105mm*105mm*35mm – L*W*H)
  • Additional power ON/OFF reset circuit for Pop noise suppression
  • BTL configuration only for best audio performance
  • Single supply voltage range 24V~36 V(UVP:24V)

Appendix Picture