[sdiy] Consider this DAC

[Antti Huovilainen]

On Sat, 13 Mar 2010, Paul Perry wrote:

> The thing about a DC cou[[led DAC that gives 16 bit accuracy...
> that's going to be at least 4 bits better than the drift and noise floor
> of the rest of your system.
> Unless you are a very good analog engineer (certainly, far better than I.)

Surely achieving < 1mV (for max 5V signal) noise floor and drift can't be 
quite that hard?

Plus of course there's the thing where you want higher resolution than 
accuracy to avoid stepping even if you don't particularly care if your 
filter cutoff is off by a 2 cents.

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova