器件名称: AK5370
功能描述: USB I/F A/D CONVERTER
文件大小: 203.6KB 共27页
简 介:ASAHI KASEI [AK5370]
AK5370
Features:
USB I/F A/D Converter
n Incorporates USB Audio Controller USB Serial Interface Engine Audio Class Encoder/Decoder 2 Endpoints (FIFO) USB transceiver n 16 bit A/D Converter 1 channel Mute/Volume Control AGC pin for external control A/D S/N: 84dBA (44.1kHz, Gain = 0dB) n On-chip PLL 5 Sampling Frequencies support 8kHz, 11.025kHz 22.05kHz, 44.1kHz, 48kHz n Programmable Gain Amplifier +20dB to –58dB n Single Power Supply, Low Power +3.3Volts±10% n Package 24pin VSOP
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. As the AK5370 incorporates PLL, it can support several sampling frequencies, 8kHz, 11.025kHz, 22.05kHz, 44.1kHz, and 48kHz with only one crystal. Moreover, the AK5370 integrates volume control, and mute function. It is possible to make USB microphone with a few external components This device is good for not only business application such as conferencing but also games , voice recognition, and Karaoke. Related Documents For the detail of USB specification, and Audio Class, please refer to the following documents. Universal Serial Bus Specification Revision 1.1 Universal Serial Bus Device Class Definition for Audio Devices, Revision 1.0
VA
VCOM
AGND AGC AGCEN VD
DGND
String ROM MIC_BIAS Common Voltage Mute & Volume control Audio Class Decode……
