>I don't see a settling time delay between the time that you >select the A/D channel and when you start the A/D conversion >(setting the GO bit). The data book mentions that the steps >for conversion are: > >1. Configure the A/D module >2. Configure the A/D interrupt, if necessary >3. Wait the required sampling time >4. Start the conversion Good catch, Ryan. I haven't had a chance to look at the problem code - I only answered the question that was asked, which was 'Does anyone get good results from the '73A a/d convertor'. Yep - I leave at least 80 to 200 uS after selecting the appropriate input BEFORE I start the conversion. dwayne Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax Celebrating 15 years of Engineering Innovation (1984 - 1999) * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Do NOT send unsolicited commercial email to this email address. My posting messages to Usenet neither grants consent to receive unsolicited commercial email nor is intended to solicit commercial email.