AH496B Datasheet PDF - NANJING AH ELECTRONICS

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AH496B
NANJING AH ELECTRONICS

Part Number AH496B
Description LINEAR HALL-EFFECT SENSOR
Page 2 Pages


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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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NANJING AH ELECTRONICS CO., LTD
PACKAGE (Unitmm)
4.06± 0.10
1.5+0.1
0.8
0.43
0.38
0.38
1.96
0.8
0.34
1.27 1 2 3
2.34
45 PINNING: 1. Vcc 2. GND 3. Output
CHARACTERISTICS CURVE
Cautions
1. When install,
should as full as
possible decrease the
mechanical stress
acting on the Hall IC,
to avoid the influence
of the operate point
and release point.
2. On the premise of
ensuring welding
quality, use as
possible as low
welding temperature
an short time.
WEBSITE: WWW.AHEST.COM
2
EMAIL: nianrong@ahest.com
LINEAR HALL IC



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