An ultralow power, 0.003-mm$^{2}$ area, voltage to frequency-based smart temperature sensor for -55 $^{ circ}$C to +125 $^{ circ}$C with one-point calibration. - Mudasir Bashir; Sreehari Rao Patri; Krishnaprasad Ksr (Turkish J. Electr. Eng. Comput. Sci., 2017)