OH023 Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – GaAs hall element

GaAs Hall Elements
MA111
OH023
GaAs hall element
Magnetic sensor
s Features
q Hall voltage : typ. 90mV(V_C= 3V, B= 0.1T)
q Input resistance : typ. 2kΩ(min. 1.5kΩ)
q Output resistance : typ. 7kΩ(max. 10kΩ)
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= 25˚C)
Parameter
Control voltage
Power dissipation
Operating ambient temperature
Storage temperature
Symbol
Rating
Unit
V_C
6
V
P_D
150
mW
T_opr
–10 to +125
˚C
T_stg
– 55 to +125
˚C
0.65±0.15
+0.2
2.8 –0.3
+0.2
1.5 –0.3
Unit : mm
0.65±0.15
0.5R
4
1
3
2
0.4±0.2
Marking Symbol : OT
1 : VH Output – side
2 : VC Input – side
3 : VH Output + side
4 : VC Input + side
Mini Type Package (4-pin)
s Electrical Characteristics (Ta= 25˚C)
Parameter
Symbol
Condition
min
typ
max
Unit
Hall voltage
V_H*¹
V_C= 3V, B= 0.1T
70
90
110
mV
Unbalance voltage
V_HO
V_C= 3V, B= 0T
±9.5
mV
Input Resistance
R_IN
I_C= 0.1mA, B= 0T
1.5
2
3
kΩ
Output resistance
R_OUT
I_C= 0.1mA, B= 0T
5
7
10
kΩ
Temperature coefficient of hall voltage
β
I_C=1.5mA, B= 0.1T
– 0.06 %/˚C
Temperature coefficient of input resistance α
Linearity of hall voltage
γ ∗²
I_C= 0.1mA, B= 0T
I_C=1mA, B= 0.05T/0.1T
0.3
%/˚C
2
%
*¹ VH =
 VH+  +  VH– 
2
*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.
γ=
KH0.1 – KH0.05
1/2 (KH0.05 + KH0.1)
( Percentage of the cumulative sensitivity KH =
VH
IC · B
)