斩波稳定集成霍尔效应磁力计

2009 International Conference on Microelectronics - ICM Pub Date : 2009-12-01 DOI:10.1109/ICM.2009.5418590

C. Ouffoue, L. Hébrard, V. Frick, C. Kern

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引用次数: 1

摘要

本文介绍了一种采用0.35 m CMOS技术集成的低噪声、低偏置、宽动态范围霍尔效应磁强计。它具有一个旋转电流操作的霍尔装置和一个斩波稳定器，这是使用高通滤波器非常规实现的。该磁力计具有350¿T偏移量，可以测量高达1T的磁场，分辨率为10¿T，带宽为3.6 kHz。

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Chopper stabilized integrated Hall effect magnetometer

This paper presents a low noise, low offset and wide dynamic range Hall effect magnetometer integrated in a 0.35 ¿m CMOS technology. It features a spinning-current operated Hall device and a chopper stabilization, which has been unconventionally implemented using high-pass filters. The magnetometer exhibits 350 ¿T offset, can measure magnetic fields up to 1T with 10 ¿T resolution over a 3.6 kHz bandwidth.

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2009 International Conference on Microelectronics - ICM

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