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ADS7951: Data Converters (ADC + DAC) Power Supply Selection

Furkan Fehmi Sefiloglu
Expert 3118 points
Part Number: ADS7951

Hi Team, 

My customer has following question and I would be very happy if you can assist.

If I feed the DAC and ADC analog and digital feeds with a single 3.3V source in the circuit, do they work with common supply and GND?

Or should I use different feeding and isolated GND?

Thanks in advance

  • 0
    TI__Mastermind 25020 points

    Hello,

    If you are referring to VA and VBD, the analog and digital power supply pins of the device, then you should use the same ground plane for all ground of the device.

    Using the same ground is the best practice

    Regards

    Cynthia