The OP177 features the highest precision performance of any op amp currently available. Offset voltage of the OP177 is only 10 V max at room temperature and 20 V max over the full military temperature range of 55C to +125C. The ultralow VOS of the OP177, combines with its exceptional offset voltage drift (TCVOS) of 0.1 V/C max, to eliminate the need for external VOS adjustment and increases system accuracy over temperature.