Frank Thus

12.7 A 0.85V 600nW all-CMOS temperature sensor with an inaccuracy of ±0.4°C (3σ) from −40 to 125°C

Youngcheol Chae, Kamran Souri, Kofi Makinwa, 2014, 2014 IEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC).