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THS4509: Impedance match for 100 OHM ADC analog input

Part Number: THS4509
Other Parts Discussed in Thread: ADS52J90, TINA-TI

Hi TI,

I find the output impedance of THS409 is shown as below figure.

So now my ADC analog input impedance is 100 OHM and how to design the relative circuit for the ADC input.

I find circuit design of "Frequency Response Test Circuit" in THS409 datasheet looks like a impedance match circuit, but I am not sure if this is designed for 100 OHM impedance match.

Best Regards,

Nan