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Hello, I am wondering about the possibility of using the ADS62P22 evaluation board to convert the DC voltages produced by a phase detector circuit to digital. I know that the default configuration for the two analog input channels involves AC coupling, and this poses a problem for me. I have heard about the possibility of using the input with the amplifier to allow for conversion of low frequency signals down to DC, but I need to use both inputs. In my case I am trying to use the two DC voltages created by mixing both an I and Q reference signal with a phase shifted version of the reference signal. I am only interested in the phase difference between the two signals, and this is the information of interest. Is there any way to convert both channels of DC voltage simultaneously?
