內容簡介

Hall-effect (magnetic field) sensing applications have
become practical recently through advancements in
supporting technologies. This paper introduces Hall-effect
technology, and then explores how it has been applied, in
particular, differentiating between the primary types of Hall
sensor ICs, and the highly differentiated range of sensing
behaviors they can support. In addition, it explores some
of the enabling technologies, such as advances in signal
processing, that have made this technology so much more
robust than in its earliest days. This allows the application
of the extreme high-reliability benefit of contactless Hall
applications in a broader range than ever before.
In addition to the improvements in supporting
technologies, the Hall-effect devices themselves have
advanced, contributing to the designs of complete
solutions. These advances include power and space
reduction, as well as integration of diagnostic and
protection functions that allow Hall sensor ICs to provide
the advanced data-driven features that are becoming
more in demand in miniaturized portable consumer
electronics, automobiles, and other growing industries.

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