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Z-Axis TMR sensors aimed at linear magnetic field sensing

Posted: 21 Nov 2013 ?? ?Print Version ?Bookmark and Share

Keywords:MultiDimension Technology? magnetic field sensing? Hall sensor? TMR?

MultiDimension Technology Co. Ltd (MDT), a supplier of magnetic sensors specializing in tunneling magnetoresistance (TMR) technology, has rolled out its Z-axis TMR sensors compatible with Hall Effect sensors in the sensing direction as they measure the perpendicular magnetic field penetrating the sensor surface. The devices claim to offer options that are geared for multi-axis eCompass, current sensors and general-purpose linear magnetic field sensing, added the company.

Song Xue, chair and CEO of MultiDimension Technology said: "Z-axis TMR sensors can be integrated into multi-axis eCompass, custom designs such as current sensors, or delivered as standalone devices for general-purpose linear magnetic field sensing. We expect that they will bring the benefits of MDT's TMR technology, with better performance, lower power, and enhanced usability to a wider segment of the magnetic field sensing market that is now dominated by Hall Effect sensors."

According to the company, unique features of MDT's Z-axis TMR sensors that are not available in hall effect sensors include high sensitivity customizable over 1mV/V/Oe; resistance that is easily tunable over a wide range up to several megaohms to match diverse application requirements from high-speed to ultra-low power; low noise spectral density and wide bandwidth; and excellent thermal stability between -40°C to 125°C.

MDT is the first volume supplier of TMR sensors. The Z-axis TMR sensors are expected to join MDT's product family in 1Q14.

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