TFA9881 amplifier equivalent, 3.4 w pdm input class-d audio amplifier.
* Small outline WLCSP9 package: 1.3 1.3 0.6 mm
* Wide supply voltage range (fully operational from 2.5 V to 5.5 V)
* High efficiency (90 %, 4 /20 H load.
* Mobile phones
* PDAs
* Portable gaming devices
* Portable Navigation Devices (PND)
* Notebooks/Net.
The TFA9881 is a mono, filter-free class-D audio amplifier in a 9-bump WLCSP (Wafer Level Chip-Size Package) with a 400 m pitch.
The digital input interface is an over-sampled Pulse Density Modulated (PDM) bit stream. The TFA9881 receives audio and .
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