參數(shù)資料
型號: HAL501A
廠商: Electronic Theatre Controls, Inc.
英文描述: JT 6C 6#22D PIN RECP
中文描述: 霍爾效應(yīng)傳感器系列
文件頁數(shù): 32/44頁
文件大?。?/td> 315K
代理商: HAL501A
HAL517
32
Micronas
4.10. HAL517
The HAL517 is a unipolar switching sensor with inverted
output (see Fig. 4
37).
The output turns high with the magnetic south pole on
the branded side of the package and turns low if the
magnetic 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 inverted
medium sensitivity
typical on point is 16.2 mT at room temperature
typical off point is 18.3 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
1700 ppm/K
Applications
The HAL517 is the optimal sensor for applications with
one magnetic polarity 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
ON
B
OFF
V
O
V
OL
B
Fig. 4
37:
Definition of magnetic switching points for
the HAL517
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
14
17.1
21.5
15.5
19.6
22.5
1.6
2.5
3
18.3
mT
25
°
C
13.5
16.2
19
15
18.3
20.7
1.5
2.1
2.7
14
17.2
20
mT
100
°
C
11
14.3
18.5
12.8
16.1
20.4
1.2
1.8
2.6
15.2
mT
140
°
C
10
13.2
18.2
11.5
14.8
20.2
1
1.6
2.6
14
mT
170
°
C
9
12.3
18
10.5
13.7
20
0.8
1.4
2.4
13
mT
The hysteresis is the difference between the switching points B
HYS
= B
OFF
B
ON
The magnetic offset is the mean value of the switching points B
OFFSET
= (B
ON
+ B
OFF
) / 2
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