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3. TPA3120D2
The TPA3120D2 is a 20-W (per channel) efficient, Class-D audio power amplifier for driving stereo
single ended speakers or mono bridge tied load. The TPA3120D2 can drive stereo speakers as low
as 4Ω. The efficiency of the TPA3120D2 eliminates the need for an external heat sink when playing
music.
The gain of the amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, 36
dB.
The outputs are fully protected against shorts from GND to ROUT or LOUT and output-to-output
shorts with an auto recovery feature.
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