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ADS54J69: Reproducible Gain after Reset

Part Number: ADS54J69
Other Parts Discussed in Thread: ADS54J66

Hello TI-Team,

We use many of the ADS54J69 in our temperature controlled beam position measurement system in the accelerators.

We have noticed after resets (.e.g power cycles), that the gain is sometimes slightly different than before. This results in small jumps in the position calculation.

Our goal is to get a reproducible state after a reset. We already disabled the interleaving correction and dc offset to come closer.

My questions:

* Are there some fine gain corrections applied during startup/sync, maybe because of some compensation of the multiple internal ADCs ?

* If so, can it be read out, like its possible for the DC-Offset or disabled?

Thanks for any tipps regarding a reproducible startup,
Jonas