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AKM releases World-Class High-Precision Tri-Axis Magnetic Sensor
Asahi Kasei Microdevices Corporation (AKM) begins mass production in July of the AK09940, a general-purpose, digital output, tri-axis magnetic sensor IC with world-class* ultra-low noise and ultra-low power consumption using TMR technology.
The sensor that is based on previous tri-axis electronic compass sensing solutions can increase the magnetic 6-DOF position-tracking accuracy for AR, VR, MR, and wearable devices. The AK09940 is ideal for magnetic particle testing and metal contamination detection with triaxial magnetic measuring, which measures wet field, small changes, and distortion in magnetic fields with high precision.
* According to research performed by AKM in June 2019.
World-Class Ultra-Low Noise
The AK09940 allows for measurement of minute magnetic signals with ultra-low noise (40nT RMS) in the X, Y, and Z axes that are normally drowned out by noise.
Magnetic position tracking used in controllers such as AR and VR devices has the advantage that it can be detected even if the sensor is hidden behind objects. However, due to signal noise on the receiving side, sufficient performance ordinarily may not be obtained in terms of detection range, position accuracy, and response speed. This problem is solved with the ultra-low noise tri-axis magnetic sensor on the receiving side.
Ultra-Low Current Consumption
An ultra-low current consumption of 40nA @ 100Hz makes it ideal for devices using small-capacity batteries.
The AK09940 is housed in a small LGA 1.6 x 1.6mm package.