具有49fJK2分辨率的CMOS温度传感器

2017 Symposium on VLSI Circuits Pub Date : 2017-06-01 DOI:10.23919/VLSIC.2017.8008557

S. Pan, Hui Jiang, K. Makinwa

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引用次数: 18

摘要

本文介绍了迄今为止报道的最节能的CMOS温度传感器，其分辨率FoM为49fjk2，比最先进的温度传感器高2.7倍。它由一个由多晶硅电阻制成的惠斯通电桥组成，由一个二阶连续时间δ - σ调制器(CTDSM)读出。这种方法导致高分辨率(160μΚ在10ms内)和低电源电压灵敏度(在室温下< 20mK/V)。

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A CMOS temperature sensor with a 49fJK2 resolution FoM

This paper presents the most energy-efficient CMOS temperature sensor ever reported, with a resolution FoM of 49fJ K2, 2.7× better than the state-of-the-art. It consists of a Wheatstone bridge made from poly-silicon resistors, which is readout by a 2nd-order Continuous-Time Delta-Sigma modulator (CTDSM). This approach leads to a high resolution (160μΚ in 10ms) and a low supply-voltage sensitivity (< 20mK/V at room temperature).

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2017 Symposium on VLSI Circuits

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