4 / 7 page
MAGNETIC ANGLE SENSOR
KMT32B
Preliminary
HL PLANARTECHNIK GmbH • Hauert 13 • 44227 Dortmund • Germany • www.hlplanar.de
service@hlplanar.de • phone: +49-(0)231-97400 • fax: +49-(0)231-974020
KMT32B_PreliminaryDataSheet (2007-01-12)-1.doc
Last update 19.01.07
MEASUREMENT CONDITIONS
PARAMETER
SYMBOL
UNIT
CONDITION
A. Set Up Conditions
ambient temperature
T
°C
T = 23±5 °C (unless otherwise noted)
supply voltage
Vcc
V
Vcc=5 V
applied magnetic field
H
kA/m
H=25 kA/m
B. Sensor Specifications (T=25 °C, 360°turn , H=25 kA/m , Vomax>0, Vomin<0)
signal amplitude
∆
V/V
mV/V
∆
V/V=Vomax - Vomin
signal offset
Voff
mV/V
Voff=Vomax + Vomin
angular hysteresis
∆α
H
deg
∆α
H = MAX|αleft turn -αright turn|
max. angular difference between left and right turn
angular inaccuracy
∆α
deg
∆α=
MAX|α0-α|
max. angular difference between actual value α0 and
measured angle; offset voltage error contributions not
included
C. Sensor Specifications (T=-25°C, +125°C)
ambient temperatures
T
°C
T1=-25 °C, T0=+25 °C, T2=+125 °C
TC of amplitude
TCSV
%/K
%
100
)
(
)
(
)
(
)
(
1
1
1
2
1
2
⋅
∆
∆
−
∆
⋅
−
=
T
V
V
T
V
V
T
V
V
T
T
TCV
TC of resistance
TCBR
%/K
%
100
)
(
)
(
)
(
)
(
1
1
1
2
1
2
⋅
−
⋅
−
=
T
R
T
R
T
R
T
T
TCR
TC of offset
TCVoff
µV/(VK)
)
(
)
(
)
(
1
2
1
2
T
T
T
Voff
T
Voff
TCVoff
−
−
=
German ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
