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XEN1220 datasheet update

Posted 03/07/2018

More detailed magnetic matching data has been added to datasheet version 2






Q-Hall technology

The Q-Hall technology was patented in 2003. It uses four Hall plates in a Quad configuration. The currents in the Hall plate are rotated in a pre-determined way in order to compensate for offsets induced by (shear) stresses, temperature gradients and self-induced magnetic fields.


The offset compensation techniques lead to unprecedented accuracy for silicon Hall plates. The production spread in offset is about one microtesla, while the stability is even better. The Allan Deviation plot below shows that the stability of the signal of the XEN1210 in a zero Gauss chamber is in the order of a few nT.