name: OPA637 function: Precision High-Speed DiFET(r) Op-Amp package: 8-pin PDIP, SOIC, TO-99,8 manufacturer: Burr-Brown added-by: Vince Sutton +--()--+ Offset Trim | 1 8| NIC -In | 2 7| +Vs +In | 3 6| Output -Vs | 4 5| Offset Trim +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/