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THS4521: As driver to ADC

Part Number: THS4521
Other Parts Discussed in Thread: ADC09QJ800,


I am considering this part as driver to TI's ADC09QJ800.

In my application the signal will start from close to DC up to about (only) 120MHz.

(Yes - I know this ADC may seem an overkill but there are other factors involved also).

The ADC presents a 50 ohm input impedance to to common mode of 1.1V.

The datasheet of the THS4521 does not mention the output characteristics when driving a load of 50 ohm.

I will have many identical channels, so power dissipation and cost will also factor into the equation.

Could somebody comment on the choice of THS4521 in this application or suggest a better alternative.

2 and 3 Harmonic distortion are not critical for me.