參數(shù)資料
型號(hào)： HAL509E
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(yè)數(shù)： 38/44頁(yè)
文件大?。?/td> 315K
代理商： HAL509E
HAL523
38
Micronas
4.13. HAL523
The HAL523 is the least sensitive unipolar switching
sensor of this family (see Fig. 4
–
49).
The output turns low with the magnetic south pole on the
branded side of the package and turns high if the mag-
netic field is removed. The sensor does not respond to
the magnetic north pole on the branded side.
For correct functioning in the application, the sensor re-
quires only the magnetic south pole on the branded side
of the package.
Magnetic Features:
–
switching type: unipolar
–
low sensitivity
–
typical B
ON
: 34.5 mT at room temperature
–
typical B
OFF
: 24 mT at room temperature
–
operates with static magnetic fields and dynamic mag-
netic fields up to 10 kHz
Applications
The HAL523 is the optimal sensor for applications with
one magnetic polarity and strong magnetic fields at the
sensor position such as:
–
solid state switches,
–
contactless solution to replace micro switches,
–
position and end point detection, and
–
rotating speed measurement.
B
HYS
Output Voltage
V
O
0
B
OFF
B
ON
V
OL
B
Fig. 4
–
49:
Definition of magnetic switching points for
the HAL523
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
28
34.5
42
18
24
30
7
10.5
14
29.3
mT
25
°
C
28
34.5
42
18
24
30
7
10.5
14
29.3
mT
100
°
C
28
34.5
42
18
24
30
7
10.5
14
29.3
mT
140
°
C
28
34.5
42
18
24
30
7
10.5
14
29.3
mT
170
°
C
28
34.5
42
18
24
30
7
10.5
14
29.3
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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