hmmm...makes sense, but is this true? Right now I am just looking at a project spec to bid on, and trying to decide if a 16bit PIC will work or if I need to use external ADC and DACs Brooke Clarke wrote: Hi Alan: I remember seeing somewhere that to get the full resolution you need to have the PIC sleeping during the conversion. That way digital noise will not be a problem. Are you doing that? -- Have Fun, Brooke Clarke http://www.PRC68.com http://www.precisionclock.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --------------------------------- Give spam the boot. Take control with tough spam protection in the all-new Yahoo! Mail Beta. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist