z z Unique Modulation Scheme Reduces EMI Emissions Efficiency at 3.6V With an 8-ȍ Speaker: í 88% at 400 mW í 80% at 100 mW Low 2.38-mA Quiescent Current and 0.5-µA Shutdo.

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The kB2338A is a high efficiency, 3W mono class-D audio power amplifier. A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, system cost, and simplifying design. Operating in a single 5V supply, k.

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