The latest SGM8904 from SGMICRO is a stereo audio driver chip without output DC blocking capacitor. The built-in charge pump can change the single positive power supply voltage to negative pressure, so that the chip can really work on the ground, thereby eliminating the output DC blocking capacitor and bias voltage circuit, making the circuit design simpler, and almost no low frequency attenuation problems. The output of SGM8904 can reach 3Vrms in single 5V power supply operation mode. It has opportunities in media players, audio, etc., with audio output or products with pre-amplification needs.
The input voltage of SGM8904 is 3.0V ~ 5.5V, without Click-Pop noise, SNR reaches 107dB, THD + N reaches 0.001%.
SGM8904 is a green and environmentally friendly product with a temperature range of -40 ° C to + 85 ° C and is packaged in MSOP-10.
SGM8904 has started mass production in the first quarter of 2011, and the bulk order cycle is 6-8 weeks.
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