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hall effect sensor AH3144

Nanjing AH Electronic Science & Technology Co.,LTd

hall effect sensor AH3144

Country/Region china

Company Nanjing AH Electronic Science & Technology Co.,LTd

Categories Sensors

Update 2011-03-03 14:02:10

ICP License Issued by the Chinese Ministry

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AH3144
HIGH SENSITIVE Hall-effect Switch Integrated Circuits
These Hall-effect switches are monolithic integrated circuits with tighter magnetic specifications and high sensitivity, designed to operate continuously over extended temperatures to +150°C, and are more stable with both temperature and supply voltage changes. The unipolar switching characteristic makes these devices ideal for use with a simple bar or rod magnet.
Each device includes a voltage regulator for operation with supply voltages of 4.5 to 24 volts, reverse battery protection diode, quadratic Hall-voltage generator, temperature compensation circuitry, small-signal amplifier, Schmitt trigger, and an open-collector output to sink up to 25 mA. With suitable output pull up, they can be used with bipolar or CMOS logic circuits.
Absolute maximum rating
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
24
V
Magnetic Flux Density
B
Unlimited
mT
Output OFF Voltage
Vce
40
V
Continuous Output Current
IOL
25
mA
Operating Temperature Range
TA
AH31XXE
-25~85
AH31XXL
-40~150
Storage Temperature Range
TS
-55~150
Electrical CharacteristicsTA=25℃
Parameter
Symbol
Test condition
Type and Value
Unit
min
typ
max
Supply Voltage
VCC
4.5
-
24
V
Output Saturation Voltage
VOL
Iout=15mA B>BOP
-
200
400
mV
Output Leakage Current
IOH
Vout=24V B
-
0.1
10
A
Supply Current
ICC
VCC=24V Output Open
-
-
10
mA
Output Rise Time
tr
RL=820 CL=20PF
-
0.12
-
S
Output Fall Time
tf
RL=820 CL=20PF
-
0.18
-
S
Magnet characteristicsVCC=4.5~24V
Parameter
Symbol
AH3135
Unit
min
typ
max
Operate Point
BOP
-
-
11
mT
Release Point
BRP
3
-
-
mT
Hysteresis
BH
5
-
-
mT

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