Texas InstrumentsTPA3121D2EVMAmplifier IC Development Boards and Kits

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

-SLOU221, TPA3121D2EVM - User Guide
-SLOS537, 15W Stereo Class-D Audio Power Amplifier (Rev. A)

Technical Document
http://www.ti.com/lit/ds/slos537a/slos537a.pdf