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ADS8694: AVDD/DVDS and GND

ttd
Mastermind 7900 points
Part Number: ADS8694

Dear Technical Support Team,

Let me check the power supply and GND.

Q1.
According to Fig.109 in data sheet, AVDD and DVDD seem to use the same 5V power supply.
Does it mean that the same power supply can be used?

Q2.

Is it okay to use the same GND plane for ADDD and DVDD ?

Best Regards,

ttd

  • +1
    TI__Mastermind 38005 points

    Hello ttd,

    Please see my answers below.

    1. Yes, you can use same +5V power supply for AVDD and DVDD as long as the supply is clean and your CPU/MCU can accept +5V logic on digital SPI bus.

    2. Yes, a solid ground plane is recommended for AGND, DGND and REFGND.

    Best regards,

    Dale