The attached application note will be released shortly, it will provide you some directions towards implementing a prototype using TDC1000-TDC7200 for gas flow applications. TDC1000_SNAA284.pdf
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…