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ADS7040: Design Review

Apurva Agre
Prodigy 200 points

Part Number: ADS7040

Tool/software:

Hello, 

In one of our projects, we have designed a voltage monitoring circuit using the ADS7040IDCUR. Could you please review the design and let us know if any changes are required?

Regards, 

Apurva

  • 0
    TI__Mastermind 22450 points

    Hi Apurva,

    I would like to see an RC filter between the amplifier and the AINP input. A capacitor helps the amplifier drive voltage to the sampling capacitor, and a resistor helps maintain stability of the op-amp by limiting the current the amplifier supplies. Can you tell me what sampling rate and SCLK frequency you will be using for the ADS7040 so I can provide some more specific suggestions?

    Regards,
    Joel