[sdiy] How droopy is too droopy in a S & H?

[Andre Majorel]

On 2009-01-26 13:08 -0500, mark verbos wrote:

> I have been seduced by the Analog Devices SMP04 quad sample and
> hold  chip. It has 4 independent S&H circuits with built in
> capacitors, in a  16 pin chip. I claims a "low droop rate" of 2
> mV per Second. Doesn't  that seem like a lot? How much does a
> normal sample & hold droop? How  much does an LF398 with
> polystyrene caps droop?

Haven't timed my Oakley S&H but 2 mV/s is about 2.4 cents/s. That
sounds a bit much.

-- 
André Majorel <URL:http://www.teaser.fr/~amajorel/>