AK4955 - 24bit Stereo CODEC
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.
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AK4955 Features
* 1. Recording Functions
* Stereo Single-ended input with two Selectors
* MIC Amplifier (+24dB/+21dB/+18dB/+16dB/+14dB/+11dB/+8dB/+5dB/0dB)
* Digital ALC (Automatic Level Control) (Setting Range: +36dB ∼
* 54dB, 0.375dB Step)
* ADC Performance: S/(N+D): 81dB, DR,
