This part is a kind of semiconductor called AS5410.

Function of this product has 3D-Hall Encoder absolute linear.

Manufacturers : austriamicrosystems

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Some of the text within the PDF file :

Part Number Data Sheet - Chapter AS5410 3D-Hall Encoder absolute linear Preliminary Data Sheet 1 General Description The chip can measure magnetic fields components in all three dimensions and converts the magnetic field information into absolute, position information. The AS5410 supports absolute linear position measurement applications. Only a simple 2-pole magnet is required as the magnetic field source. Using two 3D-Hall cells allows both absolute as well as differential 3D magnetic field measurement. The differential measurement makes the AS5410 ideal for use in rough industrial position sensing applications that include not only dust, dirt or moisture but also unwanted magnetic fields. All the signal conditioning, including compensation of temperature effects, magnet-to-chip gap c [ ... ]

AS5410 PDF Datasheet Download