GaAs Hall Elements
MA111
OH10023 (OH023)
GaAs hall element
2.8+–00..32
1.5+–00..32
Unit : mm
Magnetic sensor
0.65±0.15
0.65±0.15
0.5R
■ Features
4
3
1
2
●
●
●
●
Hall voltage : typ. 90mV(VC= 3V, B= 0.1T)
Input resistance : typ. 2kΩ(min. 1.5kΩ)
Output resistance : typ. 7kΩ(max. 10kΩ)
Sealed in the Mini type (4-pin) package. Automatic insertion through
taping and magazine.
■ Applications
0.4±0.2
●
Various hall motor
(Applicable to CD, VD, VCR, FDD, and other portable equipment)
Applicable to wide-varying field (OA equipment, etc.)
–
–
+
+
1 : VH Output
2 : VC Input
3 : VH Output
4 : VC Input
side
side
side
side
●
Mini Type Package (4-pin)
Marking Symbol : OT
■ Absolute Maximum Ratings (Ta= 25˚C)
Parameter
Control voltage
Symbol
VC
Rating
6
Unit
V
Power dissipation
PD
150
mW
˚C
Operating ambient temperature
Storage temperature
Topr
Tstg
–10 to +125
– 55 to +125
˚C
■ Electrical Characteristics (Ta= 25˚C)
Parameter
Hall voltage
Symbol
VH*1
VHO
RIN
min
70
typ
90
max
110
±9.5
3
Condition
Unit
mV
VC= 3V, B= 0.1T
Unbalance voltage
VC= 3V, B= 0T
mV
kΩ
Input Resistance
1.5
5
2
7
IC= 0.1mA, B= 0T
IC= 0.1mA, B= 0T
IC=1.5mA, B= 0.1T
IC= 0.1mA, B= 0T
IC=1mA, B= 0.05T/0.1T
Output resistance
ROUT
β
10
kΩ
Temperature coefficient of hall voltage
Temperature coefficient of input resistance
Linearity of hall voltage
– 0.06
0.3
%/˚C
%/˚C
%
α
2
γ
2
+
–
VH
+
2
VH
*1 VH
=
*2 The linearity γ of VH is a percentage of the cumulative sensitivity of KH0.05 and KH0.1 measured at B= 0.05T and 0.1T for the average value.
KH0.1 – KH0.05
1/2 (KH0.05 + KH0.1
VH
IC · B
γ =
( Percentage of the cumulative sensitivity KH
=
)
)
Note) The part number in the parenthesis shows conventional part number.