AK4201 - 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, and it can output 2Vrms with excellent linearity wh