> What I don't understand (and am hoping to find > an explain of) is why the non-inverting input is drawing so much current > when the op. amp is first turned on and why this rate is connected to my > voltage divider. Probably because the other input is more than one diode drop different during that time. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.