Bob Blick said:

> Wait a minute, you need to read up a bit on R2R ladders if you think you
> need .01% resistors to get 16 bit performance. It isn't a walk in the
> park, but the tolerance of the resistors in the ladder does not have to
> be very good.

Following up on that, I am not suggesting you do it ;-)

Buy a DAC if you want accuracy, don't build one.

-Bob

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