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ADC128D818: VREF

Yoav Katz
Prodigy 50 points

Part Number: ADC128D818
Other Parts Discussed in Thread: LM4040,

Hi All,

Im using ASC128d818 with external Vref. LM4040. need to know what is the current consumed from the Vref in-order to choose the correct resistor.

Please help

Yoav

  • 0
    TI__Guru**** 182601 points
    Hi Yoav,

    Thank you for your interest in the ADC128D818! The loading that the ADC128D818 will present to the LM4040 is dynamic, approximately 5 mA peak while the ADC is actually converting data. Once the conversion process is complete, the load is essentially zero. Please do let us know if you have any further questions.