AS5040

Data Sheet

www.austriamicrosystems.com

Revision 2.10

23 - 33

Figure 20: Typical Magnet and Magnetic Field Distribution

N

S

Magnet axis

Vertical field

component

(45…75mT)

0

360

Bv

Vertical field

component

R1 concentric circle;

radius 1.1mm

R1

Magnet axis

typ. 6mm diameter

S

N

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 IC

package as shown in Figure 21:

Figure 21: Defined IC Center and Magnet Displacement Radius

1

Defined

center

2.433 mm

2.433 mm

3.9 mm

3.9 mm

Area of recommended maximum

magnet misalignment

Magnet Placement

IC with reference to the edge of pin #1 (see Figure 21). This radius includes the placement tolerance of the chip within

(see section 13: Alignment Mode)