AH49E series linear Hall-effect SENSOR
Integrated circuit includes a voltage regulator, Hall-voltage generator, linear amplifier and emitter-follower out stage. The output of the Ics change linearity with the magnetic flux density of the input.
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
|
Unit
|
|
Supply voltage
|
Vcc
|
6.5
|
V
|
|
Magnetic flux density
|
B
|
不限
|
mT
|
|
Operating temperature range
|
TA
|
-40~+100
|
℃
|
|
Storage temperature range
|
TS
|
150
|
℃
|
Electrical CHARACTERISTICS TA=25℃ 1mT=10Gs
|
Characteristics
|
Symbol
|
Test conditions
|
Limits
|
Unit
|
|
Min.
|
Typ.
|
Max.
|
|
Operating voltage
|
Vcc
|
|
3.0
|
-
|
6.5
|
V
|
|
Supply current
|
Icc
|
|
-
|
4
|
6
|
mA
|
|
Linearity range
|
|
|
-100
|
-
|
+100
|
mT
|
|
Linearity
|
|
|
|
0.007
|
|
|
|
Quiescent output voltage
|
Vout
|
B=0
|
2.25
|
2.5
|
2.75
|
V
|
|
Zero temperature drift
|
|
|
-0.1
|
|
0.1
|
%/℃
|
|
Sensitivity
|
S
|
B=±90mT
|
10.0
|
14.0
|
17..5
|
mV/mT
|
|
Respond time
|
|
|
-
|
3
|
-
|
µS
|
