TPA3125D2 Evaluation Module (EVM)


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The TPA3125D2 evaluation module (EVM) consists of a single 10 W, class-D, stereo audio power amplifier, complete with a small number of external components mounted on a circuit board. The EVM can be used to directly drive speakers with an external analog audio source as the input.

  • 10 W/ch (Stereo SE) into an 8 Ω Load From a 24 V Supply
  • 20 W/ch (Mono BTL) into an 8 Ω Load From a 24 V Supply
  • Operates from 10 V to 26 V
  • Efficient Class-D Operation
  • Four Selectable, Fixed Gain Settings
  • Internal Oscillator (No External Components Required)
  • Single Ended Analog Inputs
  • Thermal and Short-Circuit Protection with Auto Recovery Feature
  • 20 pin DIP Package

Speaker amps
TPA3125D2 10-W stereo, 20-W mono, 10- to 26-V supply, analog input Class-D audio amplifier w/ SE outputs

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Evaluation board

TPA3125D2EVM – TPA3125D2 Evaluation Module

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Technical documentation

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Type Title Date
Application note Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug. 26, 2019
Application note AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun. 27, 2019
More literature TPA3125D2EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Application note AN-1737 Managing EMI in Class D Audio Applications (Rev. A) May 01, 2013
Datasheet 10W Stereo Class-D Audio Power Amplifier datasheet Dec. 12, 2008
User guide TPA3125D2EVM - User Guide Nov. 17, 2008

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