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AK5371AVQ

更新时间： 2024-11-06 04:32:11
品牌 Logo 应用领域
AKM 转换器
页数 文件大小 规格书
32页 303K
描述
2ch A/D Converter with USB I/F

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中文翻译

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AK5371AVQ 技术参数

生命周期：Obsolete零件包装代码：QFP
包装说明：LFQFP,针数：48
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.8商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：S-PQFP-G48长度：7 mm
功能数量：1端子数量：48
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：LFQFP
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE, FINE PITCH
认证状态：Not Qualified座面最大高度：1.7 mm
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：3 V
表面贴装：YES温度等级：COMMERCIAL
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD宽度：7 mm
Base Number Matches：1

AK5371AVQ 数据手册

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[AK5371A]  
ASAHI KASEI  
AK5371A  
2ch A/D Converter with USB I/F  
Features:  
General Description  
„ USB-IF Certified  
The AK5371A is stereo A/D converter with USB I/F. The  
AK5371A integrates USB serial interface engine, USB  
transceiver, audio class processing unit, endpoints, and high  
quality 2 channel AD converter into the chip.  
„ Incorporates USB Audio Controller  
USB Serial Interface Engine  
Audio Class Encoder/Decoder  
2 Endpoints (FIFO)  
As the AK5371A incorporates PLL, it can support several  
sampling frequencies, 8kHz, 11.025kHz, 22.05kHz, 44.1kHz,  
and 48kHz with only one crystal. Moreover, the AKAK5371A  
integrates volume control, and mute function.  
USB transceiver  
„ 16 bit A/D Converter  
2 channels  
Mute/Volume Control  
A/D S/N: 84dBA (44.1kHz, Gain = 0dB)  
Not only power consumption at normal operation is very low,  
but also the current at suspend mode is less than 1μA.  
„ Low Power Dissipation  
Normal Operation: 26mA  
Suspend Mode: < 1uA  
The AK5371A includes 20dB fixed gain pre-amplifier. In  
addition to this, as the AK5371A also incorporates IPGA  
which can amplify the microphone signal up to +24dB, total  
gain is 44dB maximum.  
„ Programmable Gain Amplifier (IPGA)  
+24dB to –31dB @1dB Step  
The AK5371A has EEPROM I/F for customizing Device  
Descriptor and String Descriptor. By connecting 1K bit, 2K  
bit, or 4Kbit MicrowireTM type EEPROM, the AK5371A can  
customize Vendor ID, Product ID in Device Descriptor, and  
String Descriptor.  
„ 20dB Pre-amplifier  
„ On-chip PLL  
5 Sampling Frequencies support  
8kHz, 11.025kHz  
This device is good for not only business application such as  
conferencing but also games, voice recognition, and Karaoke.  
22.05kHz, 44.1kHz, 48kHz  
„ EEPROM I/F  
Related Documents  
For the detail of USB specification, and Audio Class, please  
refer to the following documents.  
can customize Device Descriptor,  
and String Descriptor  
„ Single Power Supply, Low Power  
+3.3±0.3 Volts  
Universal Serial Bus Specification Revision 1.1  
Universal Serial Bus Device Class Definition for Audio  
Devices, Revision 1.0  
„ Package  
48pin LQFP  
MS0546-E-00  
2007/02  
1
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