OH9248
High Sensitivity Micropower Omnipolar Hall-Effect Switch
Electrical Characteristics
Vcc =3V, T
A
=25°C, unless otherwise specified
Parameter
Supply Voltage
Supply Current
Output Current
Output Leakage Current
Saturation Voltage
Awake Mode Time
Sleep Mode Time
Duty Cycle
Chopper Frequency
Magnetic Characteristics
Vcc =3V, T
A
=25°C, (1mT = 10 Gauss)
Parameter
symbol
B
OPS
Operate Point
B
OPN
B
RPS
Release Point
B
RPN
Hysteresis
B
H
Conditions
South pole to branded side
B>B
OPS
,V
OUT
=low(output on)
North pole to branded side
B>B
OPN
,V
OUT
=low(output on)
South pole to branded side
B<B
RPS
,V
OUT
=high(output off)
North pole to branded side
B<B
RPN
,V
OUT
=high(output off)
︱BOPX
- BRPX︱
-
-55
5
Min
Value
Typ
30
-30
20
-20
10
-5
-
Max
55
Unit
GS
GS
GS
GS
GS
Symbol
V
CC
I
AW
I
SL
I
AVG
I
OUT
I
LEAK
V
SAT
t
AW
t
SL
D
f
C
B<︱BRP︱
IOUT =1.0mA
OPERATING
OPERATING
-
-
150
90
0.15
15
120
<0.1
Awake
Sleep
Average
Conditions
Value
Min
2.5
Typ
3
2
6
10
Max
5.5
4
10
15
1.0
1.0
0.4
Unit
V
mA
μA
μA
mA
μA
V
μs
ms
%
kHz
B
OPX
=operating point(output turns on);
B
RPX
=releasing point(output turns off)
Output Voltage vs. Magnetic Flux Density
Nanjing Ouzhuo Technology co., Ltd
Tel：86-25-52312738，86-25-83247886
Page 2
www.ohhall.com
FAX: 86-25-52312738
www.zbling.com
E-mail: ohhall@163.com
OHHALLSENSOR [ Nanjing Ouzhuo Technology Co., Ltd. ]
