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AH496B Datasheet PDF - NANJING AH ELECTRONICS

Part Number AH496B
Description LINEAR HALL-EFFECT SENSOR
Manufacturers NANJING AH ELECTRONICS 
Logo NANJING AH ELECTRONICS Logo 

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AH496B datasheet, circuit
NANJING AH ELECTRONICS CO., LTD
AH496BAH3503
SERIES LINEAR HALL-EFFECT SENSORS
These Hall-effect sensors accurately track extremely small changes in magnetic flux density—changes
generally too small to operate Hall-effect switches. As motion detectors, gear tooth sensors, and proximity
detectors, they are magnetically driven mirrors of mechanical events. As sensitive monitors of electromagnets,
they can effectively measure a system's performance with negligible system loading while providing isolation from
contaminated and electrically noisy environments. Each Hall-effect integrated circuit includes a Hall sensing
element, linear amplifier, and emitter-follower output stage. Problems associated with handling tiny analog signals
are minimized by having the Hall cell and amplifier on a single chip. Three package styles provide a magnetically
optimized package for most applications.
FEATURES
. Extremely Sensitive
. Flat response to 23kHz
. Low-Noise Output
. 4.5V to 6V Operation
. Magnetically Optimized Package
TYPICAL APPLICATION
. Motion detector
. Gear tooth sensors
. Proximity detector
. Velocity detecting of motor bicycle
. Current detecting sensor
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol Value
Supply voltage
Vcc 12
Magnetic flux density
B Unlimited
Operating temperature range
TA -40~+125
Storage temperature range
TS
150
Unit
V
mT
FUNCTIONAL BLOCK DIAGRAM
1
1,Vcc
REG
3,Vo
3
2 2,GND
ELECTRICAL CHARACTERISTICS
Characteristics
Symbol
Test
conditions
Operating voltage
Vcc
Supply current
Icc
Linearity range
Quiescent output voltage Vout
Sensitivity
Output High Level and
Low Level
S
B=0
TA=25
AH3503
1mT=10Gs
AH496B
Min. Typ Max Min. Typ Max
4.5 -
6 4.5 - 10.5
- 9 14 - 9.0 12.0
-90 - +90 -90 - +90
2.25 2.5 2.75 2.25 2.5 2.75
7..5 13..5 17..5 23 25.0 ..27.
0.6 - 4.3 0.20 - 4.8
Unit
V
mA
mT
V
mV/mT
V
Note: All output-voltage measurement are made with a voltmeter having an input impedance of at lease 10KΩ.
1 LINEAR HALL IC

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