The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. The PAM8403 is available in SOP-16 package.
Features
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3W Output at 10% THD with a 4? Load and 5V Power Supply
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Filterless, Low Quiescent Current and Low EMI
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Low THD+N
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Superior Low Noise
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Efficiency up to 90%
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Short Circuit Protection
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Thermal Shutdown
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Few External Components to Save the Space and Cost
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Pb-Free Package