General Description
The AK5370 is AD converter for USB audio, especially USB microphone . The AK5370 integrates USB serial interface engine, USB transceiver, audio class decoder, endpoints, and high quality AD converter into t he chip.

Features:
■ Incorporates USB Audio Controller
    USB Serial Interface Engine
    Audio Class Encoder/Decoder
    2 Endpoints (FIFO)
    USB transceiver
■ 16 bit A/D Converter
    1 channel
    Mute/Volume Control
    AGC pin for external control
    A/D S/N: 84dBA (44.1kHz, Gain = 0dB)
■ On-chip PLL
    5 Sampling Frequencies support
        8kHz, 11.025kHz
        22.05kHz, 44.1kHz, 48kHz
■ Programmable Gain Amplifier
    +20dB to –58dB
■ Single Power Supply, Low Power
    +3.3Volts±10%
■ Package
    24pin VSOP