KMY_KMZ

Linear Magnetic Field Sensors

1/2016

Page 6

SENSOR MODELS

KMY 20 / KMY 22 / KMZ 20

The KMY and KMZ sensors are highly sensitive magnetic field sensors which utilize the anisotropic magneto

resistance effect. The KMY 20 and KMZ 20 sensors contain a Wheatstone bridge.

Figure 3

: Pad annotation and definition of field direction for KMY & KMZ

Y

X

Y

X

Y

X

+Vo

+Vcc

GND

-Vo

1 2

3 4

-15

-10

-5

0

5

10

15

-5

-4

-3

-2

-1

0

1

2

3

4

5

Field Strength Hy in kA/m

Auxiliary field: Hx=3 kA/m

Figure 4

: Characteristic

output curve of KMY 20

S / KMY 22 / KMZ 20 S

for

an

auxiliary

field

strength of Hx=3 kA/m