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High order low pass filter on the output of LTC1968?

Hey, I have attached an image below of the output of LTC1968, and it is clear that there is lot of high frequency noise on the output signal with the input signal of 2Vp-p, sine wave @ 160kHz from function generator. I plan on adding a high order low pass filter to remove the high frequency noise on the output. I would like to show you the image I got, and I would like to know your thoughts on this. Is there a high order low pass filter that you can recommend?

I hope to hear from response.



Added extra info
[edited by: shurp at 11:51 PM (GMT -4) on 27 Oct 2021]