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KMY/KMZ Linear Magnetic Field Sensors
Condition C: Sensor Specifications (reference temperatures T=-25°C, +125°C)
Ambient temperatures
T
°C
T 1 =-25 °C, T 0 =+25 °C, T 2 =+125 °C
TC of amplitude
TCSV
%/K
TCV ?
1
( T 2 ? T 1 )
?
? V 0 / V cc ( T 2 ) ? ? V 0 / V cc ( T 1 )
? V 0 / V cc ( T 1 )
? 100 %
TC of resistance
TCBR
%/K
TCR ?
1
( T 2 ? T 1 )
?
R ( T 2 ) ? R ( T 1 )
R ( T 1 )
? 100 %
TC of offset
TCVoff
(μV/V)/K
TCVoff ?
Voff ( T 2 ) ? Voff ( T 1 )
( T 2 ? T 1 )
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.
Y
+Vo
+Vcc
X
Y
GND
X
-Vo
1 2
3 4
Figure 3 : Pad annotation and definition of field direction for KMY & KMZ
KMY/KMZ Rev 4
www.meas-spec.com
5/9
2012-December
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