> Bob Axtell cotse.net> writes: >> "If there are OpAmps in a design, terminate unused opamps >> in dual >> or quad packs by grounding the positive input to ground, >> then connecting >> the negative input to the output." > "Always assuming that the Opamps have input-to-ground > specification" (unlike > certain popular FET input opamps ... The writer of that advice MAY have been living in a dual rail only world where ground is always well away from the rails. Russell. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist