AD7606C-16 ADC Data Capture

Question

Hi Team,

We are using AD7606C-16 for one of our current projects. We feed a constant sine wave from the signal generator 27KHz to the ADC. My sampling frequency is 108KHz (CONVST input). When we read back the ADC data & plotted on HSDC (TI Tool), we saw variations in the amplitude of the sine wave (mVpp) at certain points. Please check and suggest on this.

andreialejandro · Accepted Answer

Hi, 
 Based on your schematic design, we have noticed that the digital line of your design is the same as our reference design which is good but have you checked the link/jumper position of the eval board design? you can check these default positions in our user guide provided in the link below. 
 https://www.analog.com/media/en/technical-documentation/user-guides/eval-ad7606c-fmcz-ug-1870.pdf 
 Regards, 
 Andrei)

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AD7606C-16 ADC Data Capture