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Toth, N.G. (author), Tang, Z. (author), Someya, T. (author), Pan, S. (author), Makinwa, K.A.A. (author)BJT-based temperature sensors are widely used due to their high accuracy over a wide temperature range with a low-cost 1-point trim. Although resistor-based sensors can achieve better energy efficiency, they typically require a 2-point trim to achieve comparable accuracy, while thermal-diffusivity based sensors achieve superior accuracy at...conference paper 2023