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Intertial-Slide6

The basis for ST’s new magnetometers is thanks to Anisotropic-magneto-resistive or AMR technology. AMR is preferable to other technologies such as hall effect and TMR because Hall effect technology exhibits poor overall performance, while TMR presents a drift in temperature over time because it tends to hold charges. AMR technology is able to do away with these problems by utilizing two pulses during the measurement phase, called a set and a reset. These pulses realign the elements into a single direction which increases the sensor’s immunity to temperature or outside noise effects. AMR is an outstanding technology featuring low current, low noise, low temperature drift, with low offset.

PTM Published on: 2017-01-20