If you are willing to take a China-risk here is a good price for lots of three of them. I've bought some stuff from this seller and it has all seemed legit and worked properly... Of courese, YMMV https://www.ebay.com/itm/3PCS-OP-AMP-IC-BURR-BROWN-BB-TI-TO-99-CAN-8-OPA111AM-100-Genuine-and-New/152770821747?hash=item2391d9be73:g:jKYAAOSwZlZZ-znn ----------------- > Any thaughts on a possible replacement for OPA111?