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AK4675 参数 Datasheet PDF下载

AK4675图片预览
型号: AK4675
PDF下载: 下载PDF文件 查看货源
内容描述: 立体声编解码器与MIC / RCV / HP / SPK- AMP [Stereo CODEC with MIC/RCV/HP/SPK-AMP]
分类和应用: 解码器编解码器
文件页数/大小: 178 页 / 2136 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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[AK4675]  
MIC Power  
When PMMP bit = “1”, the MPWR pin supplies power for the microphone. This output voltage is typically 0.8 x AVDD  
and the load resistance is minimum 0.5kΩ. In case of using two sets of stereo mic, the load resistance is minimum 2kΩ for  
each channel. Any capacitor must not be connected directly to the MPWR pin (Figure 54).  
PMMP bit  
MPWR pin  
Hi-Z  
Output  
0
1
(default)  
Table 20. MIC Power  
MIC Power  
MPWR pin  
Microphone  
Microphone  
Microphone  
Microphone  
LIN1 pin  
RIN1 pin  
LIN2 pin  
RIN2 pin  
Figure 54. MIC Block Circuit  
MS0963-E-00  
2008/05  
- 68 -  
 
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