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WM8961 参数 Datasheet PDF下载

WM8961图片预览
型号: WM8961
PDF下载: 下载PDF文件 查看货源
内容描述: 超低功耗立体声编解码器与1W立体声D类扬声器驱动器和接地参考耳机驱动器 [Ultra-Low Power Stereo CODEC with 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers]
分类和应用: 解码器驱动器编解码器
文件页数/大小: 116 页 / 1413 K
品牌: WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
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WM8961  
Pre-Production  
OUTPUT SIGNAL PATH  
The WM8961 DACs receive digital input data from the DACDAT pin of the AIF and via the digital side-  
tone path.  
The digital filter block of the DACs process the data to provide the following functions:  
Digital volume control with soft mute and soft un-mute  
Mono mix  
De-emphasis  
Sigma-delta modulation  
The analogue outputs from the DACs are fed to the analogue volume PGA control. The output from  
the analogue volume control is routed to the output drivers for headphone and speaker output. This  
output stage is shown in Figure 16.  
Figure 16 DAC Output Stage  
PP, August 2009, Rev 3.1  
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