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ADS1298RECGFE-PDK Lead-Off detection

Hiroshi Sato
Expert 2590 points
Other Parts Discussed in Thread: ADS1298RECGFE-PDK

0640.LeadOff_test.xlsHello,

Our customer now evaluating ADS1298RECGFE-PDK for  3-Leads ECG.

And they have a question. Please see attached waveform.

The result (LOFF_STATn bit) seems opposite to the description of the datasheet.

Could you tell us  the reason why it became such a result ?

 

Thanks and best regards,

Hiroshi

  • 0
    Expert 2590 points

    Hello,

    Now, we have the latest information from the customer.

    In several times of test, sometimes lead off status bit  indicates 1 when the lead has disconnected, but it was still 0 when the others.

    please see attached file(EVM connection and register settings) and point it out if they have a problem.

    3515.Settings20130208.xls

    Thanks and best regards,

    Hiroshi