KMT36H 360° Angular Sensor
CHARACTERISTIC VALUES
Parameter
Condition
Symbol
Min
Typ
Max
Unit
Mechanical dimensions - TDFN
Length
Width
Height
X
Y
Z
2.5
2.5
0.75
mm
mm
mm
Mechanical dimensions - SO8
Length
Width
Height
X
Y
Z
4.9
6.0
1.75
mm
mm
mm
Operating limits
Supply voltage
V CC
5
12
V
Coil current
Operating temperature
Storage temperature
T = 25 °C, H = 25 kA/m
I COIL
-40
-40
20
50
+125
+125
mA
°C
°C
Parameter
Condition
Symbol
Min
Typ
Max
Unit
Sensor specification
Applied magnetic field
Bridge resistance
max. signal range
2), 3)
T = 25 °C
T = 25 °C, H = 25 kA/m
H
R B
? V/V CC
15
2.4
18
25
3.0
22
60
3.6
26
kA/m
k ?
mV/V
Offset voltage 4)
Hysteresis 1)
(Repeatability)
Accuracy 1)
TC of amplitude
TC of bridge resistance
T = 25 °C
H = 25 kA/m
H = 25 kA/m
H = 25 kA/m, 5)
5)
V OFF /V CC
Hyst
TC AMP
TC R
-3
0.15
0.15
-0.32
+0.32
+3
0.30
0.30
mV/V
deg
deg
%/K
%/K
Coil resistance
Thermal resistance
(junction-ambient)
T = 25 °C
T amb = 25°C, 6)
R COIL
R thJ/A
75
100
280
150
?
K/W
1) Hysteresis and accuracy are depending nearly inversely proportional on the magnetic field strength. The accuracy is defined
as the max. angular difference between actual field angle and measured angle calculated from the third and fifth harmonics
of the Fourier spectrum. The hysteresis is defined as angular difference between left and right turn.
2) Generated with reference magnet 67.044 Magnetfabrik Bonn (25 kA/m @ 5.2 mm distance).
3) Minimum value depends on decreasing accuracy, upper limit on decreasing coil influence. Both are no absolute limits, but
depend on the given application requirements.
4) Offset voltages measured as difference voltages V O1 -V O2 , V O2 -V O3 and V O3 -V O1 in relation to V CC .
5) Reference temperature Tref = -25 °C, calculated from values at -25°C and +125 °C
6) TDFN soldered on standard test PCB, heat sink without solder connection
KMT36H Rev 5
www.meas-spec.com
2/6
2013-April
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