LM4681 amplifier equivalent, stereo class d audio power amplifier.
a stereo headphone amplifier that delivers 80mW into a 32Ω headset with less than 0.5% THD. The LM4681’s I2C/SPI (selectable) volume control has a +30dB to
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Key Specifications
n n n n n n PO at THD+N =10%, AV = 30dB, VDD = 14V 10W (typ) THD+N at 1kHz at 1W into 8Ω (Power Amp.
The LM4681 is a fully integrated single supply, CLASS D audio power amplifier solution. The LM4681 utilizes a proprietary balanced pulse-width modulation technique that lowers output noise and THD and improves PSRR when compared to conventional pulse.
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