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SGM4703 High-Power Stereo Class-D Audio Power Amplifier with Adjustable Power Limit and Automatic Level Control
GENERAL DESCRIPTION
The SGM4703 is a high-power, high efficiency, stereo Class-D audio power amplifier with adjustable power limit (APL) and automatic level control (ALC). It operates with a wide range of supply voltages from 5V to 26V. With 24V supply voltage, it can deliver 2 × 40W peak output power for a pair of 8Ω speakers with 10% THD+N.
The high efficiency of SGM4703 extends battery life in playing music and allows it to deliver an output power of 2 × 20W without the need for a bulky heat sink on a two-layer system board. Its high PSRR and low EMI emission reduce system design and manufacturing complexities, as well as lower system cost.
The SGM4703 features APL and ALC.