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AS5145

Data Sheet - A p p l i c a t i o n I n f o r m a t i o n

Figure 18. Typical Magnet (6x3mm) and Magnetic Field Distribution

9.4.1 Physical Placement of the Magnet

The best linearity can be achieved by placing the center of the magnet exactly over the defined center of the chip as shown in the drawing below:

Figure 19. Defined Chip Center and Magnet Displacement Radius

Magnet axis

Vertical field

component

(45…75mT)

0

360

360

Bv

Vertical field

component

R1 concentric circle;

radius 1.1mm

R1

Magnet axis

typ. 6mm diameter

S

N

Area of recommended maximum mag-

net misalignment

Defined

center

3.9mm

3.9mm

1