AD8400 as a remote trim pot

[Joachim Verghese]

Kurt wrote:

> So do the AD8400's and the LM1972/1973 make noise when switching?  i.e.,
> are they worth considering for use in an audio circuit in place of
> standard pot's?

As far as I know, the AD8400s do not have any built-in mechanism to
aviod so-called zipper noise. For volume pot applications you might
want to look at Dallas Semiconductors' electronic pots with
logarithmic taper.

http://www.dalsemi.com/Prod_info/Dig_Pots/index.html

-joachim