On Wed, Dec 29, 2010 at 1:05 AM, Bob Blick wrote: > I'm in need of an audio attenuator (logarithmic digital potentiometer) > IC for occasional home projects. Nothing audiophile-grade, although that > would be a plus if it weren't too pricey. I'm a fan of the PGA2311/PGA4311 chips, though they are a bit expensive. > I need stereo, 1 db or better steps with 60 db or more range, two or > three-wire control, readable as well as writeable, volatile memory. All that is covered, with 1/2 dB steps from -95.5 to +31.5dB. The 2311 has 2 channels, the 4311 has 4 channels. > If anyone has a favorite part, please let me know. You can find some info on one of my projects here: http://www.midibox.org/dokuwiki/doku.php?id=3Dmidiboxmixer I would be happy to provide any information or code that might help. LyleHaze --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .