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ADAU1372 ADC references

Question asked by joe42 on Apr 4, 2016
Latest reply on Sep 2, 2016 by ATA

I'm considering using the ADAU1372.  What, precisely, are the AINxREF pins?  In the datasheet, it says to tie them to CM, but on the eval board, they're only AC-coupled to GND.  Which is recommended? (Standard line-input audio).

 

Also, can these references be used for proper balanced audio inputs?

 

Thanks!

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