V
H
+
+
V
H
*
1
V
H
=
2
*
2
The linearity
of V
H
is a percentage of the cumulative sensitivity of K
H0.05
and K
H0.1
measured at B= 0.05T and 0.1T for the average value.
K
H0.1
K
H0.05
V
H
=
( Percentage of the cumulative sensitivity K
H
=
)
1/2 (K
H0.05
+ K
H0.1
) I
C
B
Symbol
V
H
*
1
V
HO
R
IN
R
OUT
2
Unit
mV
mV
k
k
%/C
%/C
%
Condition
V
C
= 3V, B= 0.1T
V
C
= 3V, B= 0T
I
C
= 0.1mA, B= 0T
I
C
= 0.1mA, B= 0T
I
C
=1.5mA, B= 0.1T
I
C
= 0.1mA, B= 0T
I
C
=1mA, B= 0.05T/0.1T
Unit
V
mW
C
C
s
Electrical Characteristics
(Ta= 25C)
Unit : mm
OH023
GaAs hall element
Magnetic sensor
s
Features
q
Hall voltage : typ. 90mV(V
C
= 3V, B= 0.1T)
q
Input resistance : typ. 2k
(min. 1.5k
)
q
Output resistance : typ. 7k
(max. 10k
)
q
Sealed in the Mini type (4-pin) package. Automatic insertion through
taping and magazine.
s
Applications
q
Various hall motor
(Applicable to CD, VD, VCR, FDD, and other portable equipment)
q
Applicable to wide-varying field (OA equipment, etc.)
s
Absolute Maximum Ratings
(Ta= 25C)
1 : V
H
Output side
2 : V
C
Input side
3 : V
H
Output + side
4 : V
C
Input + side
Mini Type Package (4-pin)
Parameter
Control voltage
Power dissipation
Operating ambient temperature
Storage temperature
Symbol
V
C
P
D
T
opr
T
stg
Rating
6
150
10 to +125
55 to +125
Parameter
Hall voltage
Unbalance voltage
Input Resistance
Output resistance
Temperature coefficient of hall voltage
Temperature coefficient of input resistance
Linearity of hall voltage
min
70
1.5
5
typ
90
2
7
max
110
9.5
3
10
0.06
0.3
2
GaAs Hall Elements
MA111
Marking Symbol : OT
2.8
+0.2
0.3
1.5
+0.2
0.3
0.65
0.15
0.65
0.15
0.5R
1
2
4
3
0.95
0.95
1.9
0.2
2.9
0.2
0.4
+0.1
0.05
1.1
+0.2
0.1
0.8
0.4
0.2
0 to 0.1
0.16
+0.1
0.06
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