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AD9094 not reaching its full-scale output with a maximum input voltage

Category: Hardware
Product Number: AD9094

Dear Analog employee,

We have created a design which takes an analog signal and digitizes it using the AD9094.

We are providing an AC-coupled diferential 1.8Vp-p differential signal to the input of the ADC and our only getting a very tiny output at the ADC. We have set the Channel Map Full-Scale Input Range to 1.8Vp-p so we'd expect the signal to reach its maximum and minimum values but it does not even reach 20% if it. Could we be missing something?