TPA3121D2 Evaluation Module (EVM)


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The TPA3121D2 evaluation module consists of a single 20W, class-D, stereo audio power amplifier complete with a small number of external components mounted on a circuit board that can be used to directly drive speakers with an external analog audio source as the input.

  • 10-W/Ch Stereo Into an 8 ohm Load From a 24-V Supply
  • 15-W/Ch Stereo Into a 4 ohm Load from a 22-V Supply
  • 30-W/Ch Mono Into an 8 ohm load from a 22-V Supply
  • Operates From 10 V to 26 V
  • Able to run From +24 V LCD Backlight Supply
  • Efficient Class-D Operation Eliminates Need for Heat Sinks
  • Four Selectable, Fixed-Gain Settings
  • Internal Oscillator to Set Class D Frequency (No External Components Required)
  • Single-Ended Analog Inputs
  • Thermal and Short-Circuit Protection With Auto Recovery
  • Space-Saving Surface Mount 24-Pin TSSOP Package
  • Advanced Power-Off Pop Reduction
Speaker amps
TPA3121D2 15-W stereo, 30-W mono, 10- to 26-V supply, analog input Class-D audio amplifier w/ SE outputs

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Evaluation board

TPA3121D2EVM – TPA3121D2 Evaluation Module

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TI's Standard Terms and Conditions for Evaluation Items apply.

Design files

TPA3121D2EVM Gerber Files SLOC115.ZIP (185 KB)

Technical documentation

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Type Title Date
Certificate TPA3121D2EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet 15W Stereo Class-D Audio Power Amplifier datasheet (Rev. B) Jan. 07, 2014
User guide TPA3121D2EVM - User Guide Jun. 13, 2008

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