A 840-<i>µm</i><sup>2</sup> low-power all-MOS temperature sensor front-end with real-time voltage calibration
Hao Li,
Zhao Yang,
Dezhu Kong
et al.
Abstract:This letter presents an 840𝜇m 2 557nW temperature sensor front-end designed for system on chip (SoC) thermal monitoring. The circuit is implemented using MOS transistors exclusively, which enhances its scalability with process technologies and compatibility with digital circuit processes. To address MOSFETs circuit's process variation issues, a differential voltage readout scheme is employed. Dynamic element matching (DEM) is used to minimize mismatch of the circuit. The sensor is self-referenced, eliminating… Show more
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