GaAs Hall Devices
OH10003
GaAs Hall Device
Magnetic sensor
I Features
Unit : mm
2.8 −+ 00..32
1.5 −+ 00..32
0.65 0.15
0.65 0.15
•
•
•
Hall voltage: typ. 150 mV (VC = 6 V, B = 0.1 T)
Input resistance: typ. 0.85 kΩ
Satisfactory linearity of GaAs hall voltage with respect to the
magnetic field
Small temperature coefficient of the hall voltage: β ≤ − 0.06%/°C
Sealed in the Mini type (4-pin) package. Allowing automatic
insertion through the taping and the magazine package.
0.5 R
4
3
1
2
•
•
I Applications
•
•
•
•
Various hall motor (VCR, phonograph, VD, CD, and FDD)
Automotive equipment
Industrial equipment
0.4 0.2
1 : VH Output (−) side
2 : VC Input (−) side
3 : VH Output (+) side
4 : VC Input (+) side
Applicable to wide-varying field (OA equipment, etc.)
I Absolute Maximum Ratings Ta = 25°C
Mini Type Package (4-pin)
Parameter
Control voltage
Symbol
VC
Rating
12
Unit
V
Marking Symbol: 3
Power dissipation
PD
150
mW
°C
Operating ambient temperature
Storage temperature
Topr
Tstg
−30 to +125
−55 to +125
°C
I Electrical Characteristics Ta = 25°C
Parameter
Symbol
VH
Conditions
Min
130
Typ
150
Max
170
12
Unit
mV
%
1, 4
Hall voltage*
VC = 6 V, B = 0.1 T
VC = 6 V, B = 0 T/B = 0.1 T
IC = 1 mA, B = 0 T
2, 4
Unequilibrium ratio*
VHO/VH
RIN
Input resistance
0.50 0.852
kΩ
Output resistance
ROUT
β
IC = 1 mA, B = 0 T
5
kΩ
Temperature coefficient of hall voltage
IC = 6 mA, B = 0.1 T
IC = 1 mA, B = 0 T
−0.06
0.3
%/°C
%/°C
Temperature coefficient of input
resistance
α
3
Linearity of hall voltage*
γ
IC = 6 mA, B = 0.1 T/0.5 T
2
%
VH++VH−
1
Note)
*
: VH =
2
2
3
*
*
: Unequilibrium ratio is a percentage of VHO with respect to VH.
: The linearity γ of VH is a percentage of a difference between cumulative sensitivity of KH1 and KH5 which are
measured respectively at B = 0.1 T and 0.5 T to their average. That is,
KH5−KH1
1/2(KH1+KH5
VH
γ =
(the cumulative sensitivity KH
=
)
)
IC・B
4
*
: VH, VHO/VH rank classification
Class
VH (mV)
HQ
HR
IQ
IR
KQ
KR
130 to 158 142 to 170 130 to 158 142 to 170 130 to 158 142 to 170
−5 to +5 +2 to +12 −2 to −12
3HQ 3IR 3KQ 3KR
VHO/VH (%)
Marking Symbol
3HR
3IQ
1