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February 4, 2014 AT 5:54 pm

Tutorial: Adafruit TS2012 2.8W Stereo Audio Amplifier

Adafruit Products 1552Use Lrg

Tutorial: Adafruit TS2012 2.8W Stereo Audio Amplifier @ The Adafruit Learning System.

This incredibly small stereo amplifier is surprisingly powerful – able to deliver 2 x 2.8W channels into 4 ohm impedance speakers (@ 10% THD). Inside the miniature chip is a class D controller, able to run from 2.7V-5.5VDC. Since the amp is a class D, it’s incredibly efficient (89% efficient when driving an 8Ω speaker at 1.5 Watt) – making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. This board is a welcome upgrade to basic “LM386” amps!

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