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Driving Buffered ADC with square wave input

SaiPraveen Mandapaka
Prodigy 20 points
Other Parts Discussed in Thread: ADS42LB69

Hi,

    I'm driving my buffered ADC(ADS42LB69) with square wave input frequency as 100KHz, seeing overshoots in the captured data as shown below. 

Square wave is dc coupled to the analog input with frequency =100kHz, slew rate=200mV/ns and 1.6Vpp.

I tried so many input combination to the driving circuit but it's not improving the output.

whether that causing is related to the analog input buffer or input driving circuit??

Thanks and Regards,

M.SaiPraveen

  • 0
    TI__Genius 17340 points

    Hi M.SaiPraveen,

    See the following E2E post for a similar request. I'm not sure where the following request left off (it looks like it was taken offline). I'll ask the engineer responsible to provide an update on E2E.

    Regards,
    Matt Guibord