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ADS1292R: ID Register

Eugênia Lopes
Prodigy 50 points

Part Number: ADS1292R

Hello,

I have made the circuit for ADS1292R and now I am trying to connect it to Arduíno. 

First, I wrote my code only to read the ID register. Sometimes, the answer is 118 and sometimes it's 115 (decimal numbers).

But according to ADS1292R datasheet, it's not alright. I would like to know if my IC can be damaged or if I have problem in my code. 

Thank you very much,

Best Regards.

  • 0
    TI__Guru 69186 points
    Hello,

    Thanks for your post.

    The device ID should always read 0x73 for ADS1292R. Please check that you are following the Power-On Reset procedure on page 62. You can try issuing an extra /RESET pulse or sending the RESET command after all power supplies are on. This should fix the issue by resetting the device to a known good state.

    Best Regards,
  • 0 in reply to Ryan Andrews
    Prodigy 50 points
    Hello Ryan,

    I've found my problem. I was supplying both AVDD-AVSS and DVDD-DGND with 3,3V. I changed the DVDD-DGND to 3V and it seems to work.

    Thanks very much for your quick help.

    Best Regards.