Anybody recommend a S/H that ahs aperture of < 5nS, and then hold for 5uS?

RobertMacy · 2015-02-20T19:27:15+00:00

I need a family of S/H parts that has a VERY narrow aperture, but holds for a very long time. At these rates, need 22-24 bit HOLD ability. Translates to 0.05ppm droop type hold. Checked with TI, Analog Devices, and Linear, no luck. Anybody done a 'roll your own'?