Peter Johansson wrote:

> Class D really does seem to be the way to go in this application since
> quiescent current will be practically zero (in the dead-time between
> sounds) in addition to providing good efficiency when actually driving
> the speaker.

There is an application note that is about 10 years old on our website to d=
o something very similar using the COP8.

The pdf is located
http://bytecraft.com/apps/cop8capp.pdf

Source code is located
http://bytecraft.com/Complex_Applications

Regards,


walter..
--
Walter Banks
Byte Craft Limited
http://www.bytecraft.com




--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.