Panasonic OH10023 Datasheet

 V

H

+

 +  V

H

–



*1 VH =

2

*2 The linearity γ of VH 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

γ = ( Percentage of the cumulative sensitivity KH =)

1/2 (K

H0.05

+ K

H0.1

) IC · B

Symbol
V

H

*

1

V

HO

R

IN

R

OUT

β
α
γ ∗

2

Unit

mV
mV

kΩ
kΩ

%/˚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

■ Electrical Characteristics (Ta= 25˚C)

Unit : mm

OH023

GaAs hall element

Magnetic sensor

■ Features

●

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

●

Various hall motor
(Applicable to CD, VD, VCR, FDD, and other portable equipment)

●

Applicable to wide-varying field (OA equipment, etc.)

■ Absolute Maximum Ratings (Ta= 25˚C)

1 : VH Output

–

side

2 : VC Input

–

side

3 : VH Output

+

side

4 : VC 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

0.950.95

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

■ Typical Drive Circuit

PD – Ta RIN – TaVH – Ta

V

H

– B VH – V

C

VH – I

C

GaAs Hall Elements OH023

+5V

+V

+5V

–5V

–V

–5V

31

2

4

+

–

Ambient temperature Ta (˚C

)

Power dissipation P

D

(

mW

)

0

40

80

120

160

200

180

140

100

60

20

02040 8060 140120100 160

0

– 40 0 40 80 120

40

80

120

160

200

240

Ambient temperature Ta (˚C

)

Hall voltage V

H

(

mV

)

B=0.1T
I

C

=1.5mA

Ambient temperature

Ta

(˚C)

Input resistance

R

IN

(Ω)

0

–40 0 40 80 120

2000

4000

3000

1000

B=0
I

C

=0.1mA

Magnetic flux density

B

(T)

Hall voltage

V

H

(

mV

)

VC=3V
Ta=25˚C

0

0 0.200.160.120.080.04

100

200

150

50

Control current

IC

(mA)

Hall voltage

V

H

(

mV

)

B=0.1T
Ta=25˚C

0

01 342

40

80

120

160

200

240

280

320

Control voltage

VC

(V)

Hall voltage

V

H

(

mV

)

B=0.1T
Ta=25˚C

0

02 6813574

40

80

120

160

200

240

280

320