EDN

BJT is accurate sensor for absolute temperature in Kelvin and Rankine

A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...
IEEE

A 0.8-V Resistor-Based Temperature Sensor in 65-nm CMOS With Supply Sensitivity of 0.28 °C/V

Abstract: A 0.8-V resistor-based CMOS temperature sensor in 65-nm CMOS process with low supply sensitivity is presented. The temperature-to-voltage conversion gain is maximized by utilizing two types ...
IEEE

A 10 fJ·K

Abstract: This article describes a highly energy-efficient Wheatstone bridge temperature sensor. To maximize sensitivity, the bridge is made from resistors with positive (silicided diffusion) and ...