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PCM9211: PCM9211 Problem

switch
Genius 3110 points
Part Number: PCM9211
Other Parts Discussed in Thread: DIX9211

Hi!  We are studying the feasibility for replacing the WM8805 by PCM9211/DIX9211. Quick question need to double confirm with you guys, 1)if we don’t use the ADC function of PCM9211, can we just leave these pins alone (not connecting anything even the power supply in pin.46)? 2) The only difference between its PCM and DIX versions is the PCM has got the ADC function and the DIX don’t have?