Hacked Gadgets Forum

June 2, 2014

Class D Audio Amplifier Tutorial

at 7:42 pm. Filed under DIY Hacks

 

Afrotechmods shows us how a Class D Audio Amplifier works and how to build one. A TPA3122 is a class D amplifier on a chip. There are no external power components needed since class D amplifiers use mosfets for switching and thus the heat dissipation is low enough that it can be squished into the DIP package with no heatsinking needed.

“The TPA3122D2 is a 15-W (per channel) efficient, Class-D audio power amplifier for driving stereo single ended speakers or mono bridge tied load. The TPA3122D2 can drive stereo speakers as low as 4.”


 

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One Response to “Class D Audio Amplifier Tutorial”

  1. Rodger Cleye Says:

    Well done. Thanks for sharing.

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