Xiaofan Chen wrote: > Microchip is using the same CMOS process used in the MCU > for most of their analog product. Basically this means many of > their analog parts will be good enough for higher voltage (12V, > or even +/-15V) operation. Therefore we basically do not use > any Microchip analog parts. If the parts are good enough, that is why you don't use them. I don't understand what you mean, please explain. Cheerful regards, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist