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ADS1299EEG-FE PDK problem

user4153148
Prodigy 40 points
Other Parts Discussed in Thread: ADS1299

Hi,engineers:

I'm currently working with the ADS1299EEG-FE PDK.I set all jumpers to factory defaults as described in the user guide ADS1299EEG-FE PDF.Then,I measured the volt between the electrode TP8 and TP3,it shows  0V,however,it should be 4.5V as described in Table6 of the PDF in page16.I wanna know whether there are some problems within the hardware or I have done  the  wrong settings!

I'm looking forward to your reply!

Thanks!

  • 0
    TI__Guru 66816 points

    Hello,

    Thanks for your interest in the ADS1299!

    A few things to check:

    1. Do the other supplies measure correctly? Check AVDD, AVSS, and DGND to ensure that power is supplied to the ADS1299.
    2. Is the internal reference buffer enabled in your register settings?
    3. Is the /PWDN jumper installed? To use the ADS1299, make sure that JP5 is uninstalled.

    Best Regards,