AK4201 hp-amp equivalent, stereo cap-less hp-amp.
The AK4201 is an audio stereo cap-less headphone amplifier. The AK4201 eliminates the need for large DC-blocking capacitors with a built-in Charge-pump circuit. The PSRR (Power supply Rejection Ratio) can achieve to 100dB with a built-in regulator, a.
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