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TMS320F28027: TMS320F28027 min/max leakage current of the ADC analog input

FRZE
Intellectual 2225 points
Part Number: TMS320F28027


Can you give an indication of the min/max leakage current for the ADC analog input (datasheet table 6-26)? What is expected under what conditions?

Any design recommendations to give?

Best regards,

Frank

  • 0
    TI__Guru 62975 points

    Frank,

    From my own experience, the leakage current is usually well within the TYP value. Parasitic leakage is typically worse at higher temperatures.

    Keep in mind that the leakage current does not cover the in-rush current seen on the pin when the sample + hold capacitor is being charged.  This in-rush current during sampling can be greater than the leakage current.

    -Tommy