APA2603B amplifier equivalent, 2.5w stereo class-d audio power amplifier.
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Operating Voltage: 3.3V-5.5V High Efficiency 85% at PO=2.5W, 4Ω Speaker, VDD=5V Filter-Free Class-.
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Simplified Application Circuit
LCD TVs DVD Player Active Speakers
Stereo Input Signals RIN ROUT+ LIN .
The APA2603B is a stereo, high efficiency, filter-free ClassD audio amplifier available in a SOP-16, QFN4x4-20A package. The APA2603B provide the precise DC volume control, the gain range is from -80dB (V VOLUME =5V) to +20dB (VVOLUME=0V) with 64 ste.
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