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ADS1294 IN2 is abnormal

Vincent Hsieh
Expert 1895 points

Other Parts Discussed in Thread: ADS1294

Dear Sir,

We had some issue in ADS1294 design.
The attaced file is our question and schematic.
Could give me some suggest? thanks.

ADS1294 question.docxSCH.pdf

  • 0
    TI__Mastermind 38745 points
    Hello iehncent,

    To understand more about what is going on with their channel 2, can you please provide me with the contents of your WCT1 and WCT2 registers? From which inputs are you trying to derive the WCT signal? In addition, C90 shows that it is depopulated. Is there a reason for this? We recommend a 100 pF capacitor there.

    Regards,
    Brian Pisani