OH9249
High Sensitivity Micropower Omnipolar Hall-Effect Switch
Electrical Characteristics
Vcc =3V, TA=25°C, unless otherwise specified
Value
Parameter
Symbol
Conditions
Unit
Min Typ Max
Supply Voltage
VCC
IAW
ISL
2.5
3
2
5.5
4
V
mA
μA
Awake
Sleep
Supply Current
6
10
15
1.0
1.0
0.4
IAVG
IOUT
ILEAK
VSAT
tAW
tSL
Average
10
μA
Output Current
Output Leakage Current
Saturation Voltage
Awake Mode Time
Sleep Mode Time
Duty Cycle
mA
B<︱BRP︱
IOUT =1.0mA
OPERATING
OPERATING
-
-
<0.1
μA
V
μs
150
90
ms
120
D
0.15
15
%
Chopper Frequency
fC
kHz
Magnetic Characteristics
Vcc =3V, TA=25°C, (1mT = 10 Gauss)
Value
Typ
Parameter
symbol
BOPS
Conditions
Unit
GS
GS
GS
Min
Max
55
South pole to branded side
B>BOPS,VOUT=low(output on)
North pole to branded side
B>BOPN,VOUT=low(output on)
South pole to branded side
B<BRPS,VOUT=high(output off)
North pole to branded side
B<BRPN,VOUT=high(output off)
30
-30
20
Operate Point
BOPN
-55
5
BRPS
Release Point
Hysteresis
BRPN
BH
-20
10
-5
-
GS
GS
︱BOPX - BRPX︱
-
BOPX=operating point(output turns on);
BRPX=releasing point(output turns off)
Page 2
Nanjing Ouzhuo Technology co., Ltd
Tel：86-25-52312738，86-25-83247886 FAX: 86-25-52312738
www.ohhall.com
www.zbling.com
E-mail: ohhall@163.com
OHHALLSENSOR [ Nanjing Ouzhuo Technology Co., Ltd. ]
