AK4955 Datasheet - AKM

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. A one cha.

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,

AK4955-AKM.pdf