A CMOS Temperature-to-Frequency Converter With an Inaccuracy of Less Than$\pm \hbox{0.5}\, ^{\circ}{\hbox{C}}$(3$\sigma$) From$-\hbox{40}\, ^{\circ}\hbox{C}$to 105$\, ^{\circ}\hbox{C}$.
Kofi A. A. MakinwaMartijn F. SnoeijPublished in: IEEE J. Solid State Circuits (2006)