Patent ID: 9182250
Filing Date: 2015-11-10
Classification: G01D,G01R

Abstract:
1. A method of operating a circular vertical Hall (CVH) sensing element having a plurality of vertical Hall element contacts disposed in a circle over a common implant region in a substrate, the method comprising: selecting a plurality of groups of vertical Hall element contacts from among the plurality of vertical Hall element contacts, each group representative of a respective one of a plurality of vertical Hall elements, wherein the selecting comprises selecting a first group of vertical Hall element contacts representative of a first vertical Hall element, and selecting a second group of vertical Hall element contacts representative of a second vertical Hall element; and driving at the same time the first and the second vertical Hall elements to provide at the same time a first vertical Hall element output signal between two of the vertical Hall element contacts of the first group and a second vertical Hall element output signal between two of the vertical Hall element contacts of the second group, wherein the selecting further comprises: