Data Sheet
High Sensitivity Micropower Omnipolar Hall-Effect Switch
AH9249
Electrical Characteristics
VCC =3V, TA =25°C, unless otherwise specified.
Parameter
Symbol
VCC
IAW
Conditions
Min
Typ
3
Max
Unit
V
Supply Voltage
Operating
2.5
5.5
4
Awake
Sleep
2
mA
μA
μA
mA
μA
V
Supply Current
ISL
6
10
15
1.0
1
IAVG
IOUT
ILEAK
VSAT
tAW
Average
10
Output Current
Output Leakage Current
Saturation Voltage
Awake Mode Time
Sleep Mode Time
Duty Cycle
B<︱BRP︱
IOUT =1.0mA
Operating
<0.1
0.4
150
90
μs
tSL
Operating
120
ms
%
D
0.15
15
Chopper Frequency
fC
kHz
Magnetic Characteristics (Note 3)
VCC =3V, TA=25°C, unless otherwise specified.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
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)
BOPS
30
55
Gauss
Operating Point
BOPN
BRPS
-55
5
-30
20
Gauss
Gauss
Releasing Point
Hysteresis
BRPN
BHYS
-20
10
-5
Gauss
Gauss
︱BOPX - BRPX︱(Note 4)
Note 3: The specifications stated here are guaranteed by design. 1 Gauss=0.1Mt.
Note 4: BOPX=operating point (output turns on); BRPX=releasing point (output turned off).
Jul. 2011 Rev. 1. 6
BCD Semiconductor Manufacturing Limited
5
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
