[AK4955]
AK4955
24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP/ LDO & DSP
GENERAL DESCRIPTION The AK4955 is a 24bit stereo CODEC with a microphone amplifier, speaker amplifier, video amplifier, LDO, and DSP.
The input circuits include a microphone amplifier and the output circuits include a speaker amplifier.
It is suitable for portable application with recording/playback function.
A one channel composite In/Out video amplifier is also integrated.
The internal charge pump generates a negative power eliminating the need for AC-coupling
capacitors.
The AK4955 is available in a small 36pin CSP (3.
0mm x 3.
1mm, 0.
5mm pitch), saving mounting area on the board.
FEATURES 1.
Recording Functions
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