BA3577FS 데이터 시트보기 (PDF) - ROHM Semiconductor

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BA3577FS

Low power consumption headphone driver for digital audio

ROHM Semiconductor 

Audio ICs

BA3577FS

FCircuit operation

(1) The BA3577FS operates at the timing chart shown below, which prevents popping noises in the headphone output.

(2) The ripple filters (pins 1 and 2) and bias amplifiers (pins 3 and 4) of the BA3577FS cannot be used as external power

supplies or reference voltages.

(3) The BA3577FS outputs a BEEP signal only when the PWSTB pin (pin 7) and the MUTE pin (pin 9) are HIGH. Also,

input a rectangular waveform of 500Hz to 5kHz with an amplitude from the GND to VCC to the BEEP IN pin (pin 11).

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