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ADS42LB69: Dithering control with a hidden register bit

Part Number: ADS42LB69

Tool/software:

Dear support Team,

I would know if it is possible to disable the internal dithering process using a control bit? If yes, would it be possible to use the internal DAC in DC mode for compensating the intrinsic ADC offset?

I am concerned with mesuring the amplitude of very low level sine waves, fin= 60 MHz, fs = 180 MS/s, level from -50 dBFS and below. I see a quite important dispertion with the measured precision among ADC parts.

Best regards, Jean-Luc Bolli