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Can I create extra auxiliary ADC by using a external analog mux to a ADAU1701?

Question asked by Tore on Dec 4, 2012
Latest reply on Dec 6, 2012 by KJBob

I need more than the 4 available auxiliary ADC inputs and would like to use an external analog mux controlled from the sigmaDSP ADAU1701. Is it possible to control the external mux from the digital GPIO, connect the mux to one auxiliary ADC input and do demultiplexing in the 1701? I would like to scan all the external analog voltages and use all the values in my DSP program.

 

/Tore

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