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