Hello Clare,
To get an idea of the of how these commercial products behave over temperature, visit the military datasheets for these products, which have limits over the full temperature range. The military prooduct pages and datasheets for these products…
to User473,
I searched all the op amp portfolio with the parametric search (precision, general purpose, and high-speed). There are 6 options with temperatures of 150C and above (see attached). The best match is the OPA211-HT (210C max). This is the…