AD2S1210 Vdriver issue

Hi all,

I'm so glad to your support!

At present,I am evaluating AD2S1210 with attached schematic.When I configurate AD2S1210,Vdriver will 3.3V up to 3.7V.Vdd=5V,AVDD=5V.

Could you give some comments about why the Vdiver will up to 3.7V?many thanks!

  • Hello,

    Looking at the schematic there is nothing obvious that would indicate why 3.7V would be present on the Vdrive supply.

    Some points to check would be

    - is the logic levels on the signals that controlled by you uC also set to 3.3V

    - have you ruled out any shorts on the board

    - if you can isolated your power supplies or RDC from the uC turn them on individually to narrow down which one is having the effect on Vdrive.

    Regards

    Shane

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