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ADS1299: Is this Daisy Chain Pin config ok?

Rishan Patel
Prodigy 50 points
Part Number: ADS1299

Hi all, 

Attached is an image of a schematic I have found with a paper. I want to rebuild this myself, but want to be sure it looks ok as I have seen lots of conflicting evidence to suggest that you cannot daisy chain this way e.g. the shared CS. Just need someone to look over and let me know if this is how you Daisy chain 3 ADS1299! Link to the paper is here: https://arxiv.org/pdf/2203.02102.pdf

Thanks!

  • 0
    TI__Mastermind 19815 points

    Hi,

    Please refer to datasheet Figure 70. Multiple Device Configurations either a or b.

    it looks like b) Daisy-Chain Configuration, but CLK into each device is needed. And, I don't understand why using CLK_OUT to supply the START pin.

    You may need to contact the authors of the articles.

    Thanks