The SGM4809 is a dual audio power amplifier capable of
delivering 158mW per channel of continuous average
power with typically 0.1% distortion (THD+N) when it
drives a 16Ω speaker from a 5.0V power supply. It is
designed to maximize audio performance in portable
applications such as mobile phone. The portable
application requires audio power amplifier has minimum
of external components and can operate from a single
2.5V to 5.5V power supply.
SGM4809 features an externally controlled, active-low,
micro-power consumption shutdown mode, as well as an
internal thermal shutdown protection mechanism.
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