參數(shù)資料
型號: HAL519
廠商: Electronic Theatre Controls, Inc.
英文描述: Hall Effect Sensor Family
中文描述: 霍爾效應(yīng)傳感器系列
文件頁數(shù): 36/44頁
文件大?。?/td> 315K
代理商: HAL519
HAL519
36
Micronas
4.12. HAL519
The HAL519 is a very sensitive unipolar switching sen-
sor with an inverted output sensitive only to the magnetic
north polarity. (see Fig. 4
45).
The output turns high with the magnetic north pole on the
branded side of the package and turns low if the magnet-
ic field is removed. The sensor does not respond to the
magnetic south pole on the branded side, the output re-
mains low. For correct functioning in the application, the
sensor requires only the magnetic north pole on the
branded side of the package.
Magnetic Features:
switching type: unipolar inverted, north sensitive
high sensitivity
typical B
ON
:
3.5 mT at room temperature
typical B
OFF
:
5.5 mT at room temperature
operates with static magnetic fields and dynamic mag-
netic fields up to 10 kHz
typical temperature coefficient of magnetic switching
points is
1000 ppm/K
Applications
The HAL519 is the optimal sensor for all applications
with the north magnetic polarity and weak magnetic am-
plitude at the sensor position where an inverted output
signal is required such as:
solid state switches,
contactless solution to replace micro switches,
position and end point detection, and
rotating speed measurement.
B
HYS
Output Voltage
0
B
OFF
B
ON
V
OL
V
O
B
Fig. 4
45:
Definition of magnetic switching points for
the HAL519
Magnetic Characteristics
at T
J
=
40
°
C to +170
°
C, V
DD
= 3.8 V to 24 V,
Typical Characteristics for V
DD
= 12 V
Magnetic flux density values of switching points.
Positive flux density values refer to the magnetic south pole at the branded side of the package.
Parameter
T
J
On point B
ON
Typ.
Off point B
OFF
Min.
Typ.
Hysteresis B
HYS
Min.
Typ.
Magnetic Offset
Min.
Typ.
Unit
Min.
Max.
Max.
Max.
Max.
40
°
C
5.4
3.8
2.1
7.7
5.9
4.3
1.6
2.1
2.8
4.8
mT
25
°
C
5
3.6
2
7.2
5.5
3.8
1.5
1.9
2.7
6.2
4.5
3.8
mT
100
°
C
4.9
3.3
1.9
6.7
5
3.4
1.2
1.7
2.6
4.2
mT
140
°
C
5.1
3.1
1.7
6.8
4.8
3.1
1
1.7
2.6
4
mT
170
°
C
5.2
3
1.5
6.8
4.6
2.8
0.9
1.6
2.6
3.8
mT
The hysteresis is the difference between the switching points B
HYS
= B
ON
B
OFF
The magnetic offset is the mean value of the switching points B
OFFSET
= (B
ON
+ B
OFF
) / 2
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