KMY_KMZ

Linear Magnetic Field Sensors

1/2016

Page 7

KMY 21

In contrast to the KMY20 sensor products,

the KMY 21 M consists of a half bridge,

making the sensor well suited for dynamic

measurements.

It contains an internal magnet, which

provides an auxiliary field of approx.

2.5 kA/m.

Figure 5

: Characteristic

curve for KMY21M

TEMPERATURE DEPENDENCIES

Figure 6: signal amplitude related to room temperature value

-6

-4

-2

0

2

4

6

-5

-4

-3

-2

-1

0

1

2

3

4

5

External Field Hy in kA/m

Auxiliary field: Hx=2.5 kA/m

0,4

0,6

0,8

1,0

1,2

1,4

-25

0

25

50

75

100

125

Tem perature in °C

Vo,min

Vo(T)/Vo(+25°C)

Vo,max

0,6

0,8

1,0

1,2

1,4

1,6

1,8

-25

0

25

50

75

100

125

Tem perature in °C

Rb,min

Rb(T)/Rb(+25°C)

Rb,max

Y

X

B

B