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TFA9895
Boosted class-D audio amplifier with speaker boost protection and multiband dynamic range compressor
Rev. 1 — 23 October 2013
Product short data sheet
1. General description
The TFA9895 is a high efficiency class-D audio amplifier with a sophisticated speaker boost protection algorithm that features multi-band compression. It can deliver 2.65 W (RMS; THD = 1 %) output power into a 4 speaker at a battery voltage of 3.6 V. The internal boost converter raises the supply voltage to 5.3 V, providing ample headroom for major improvements in sound quality.
A safe working environment is provided for the speaker under all operating conditions. The TFA9895 maximizes acoustic output while ensuring diaphragm displacement and voice coil temperature do not exceed their rated limits.