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LMK04828: inquiry a Phase Sync for using multiple devices.
Part Number: LMK04828
We are trying to do the same thing which is to chain two LMK04828 devices on two separate boards. At the moment we are getting a phase variance between board to board which is not deterministic. We are trying to understand how to set this up correctly so that at the time of reset when the two ADCs (per board) start sampling there is no phase delay in the sampled data coming out for the same clock chip that controls each board. Meaning no board to board phase variance. We have one single system clock as the picture shows and we assume on reset there is either a deterministic phase difference or no phase difference between board to board (identical boards with the same LMK and ADS42JB69)
Please take a look at this attachment regarding synchronization of multiple LMK devices.
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