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HAL504UA-A 参数 Datasheet PDF下载

HAL504UA-A图片预览
型号: HAL504UA-A
PDF下载: 下载PDF文件 查看货源
内容描述: 霍尔效应传感器系列 [Hall-Effect Sensor Family]
分类和应用: 传感器换能器
文件页数/大小: 48 页 / 1632 K
品牌: MICRONAS [ MICRONAS ]
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HAL 523  
DATA SHEET  
4.12. HAL 523  
Applications  
The HAL 523 is the least sensitive unipolar switching  
sensor of this family (see Fig. 4–45).  
The HAL 523 is the optimal sensor for applications  
with one magnetic polarity and strong magnetic fields  
at the sensor position such as:  
The output turns low with the magnetic south pole on  
the branded side of the package and turns high if the  
magnetic field is removed. The sensor does not  
respond to the magnetic north pole on the branded  
side.  
– solid-state switches,  
– contactless solution to replace microswitches,  
– position and end-point detection, and  
– rotating speed measurement.  
For correct functioning in the application, the sensor  
requires only the magnetic south pole on the branded  
side of the package.  
Output Voltage  
VO  
Magnetic Features:  
BHYS  
– switching type: unipolar,  
– low sensitivity  
VOL  
– typical BON: 34.5 mT at room temperature  
– typical BOFF: 24 mT at room temperature  
0
BOFF  
BON  
B
– operates with static magnetic fields and dynamic  
magnetic fields up to 10 kHz  
Fig. 4–45: Definition of magnetic switching points for  
the HAL 523  
Magnetic Characteristics at TJ = 40 °C to +170 °C, VDD = 3.8 V to 24 V,  
Typical Characteristics for VDD = 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  
On point B  
Typ.  
Off point B  
Hysteresis B  
HYS  
Magnetic Offset  
Unit  
ON  
OFF  
T
Min.  
28  
Max.  
42  
Min.  
18  
Typ.  
24  
Max.  
Min.  
Typ.  
10.5  
10.5  
10.5  
10.5  
Max.  
Min.  
Typ.  
29.3  
29.3  
29.3  
29.3  
Max.  
J
40 °C  
25 °C  
34.5  
30  
30  
30  
30  
7
7
7
7
14  
14  
14  
14  
mT  
mT  
mT  
mT  
28  
34.5  
42  
18  
24  
140 °C  
170 °C  
28  
34.5  
42  
18  
24  
28  
34.5  
42  
18  
24  
The hysteresis is the difference between the switching points BHYS = BON BOFF  
The magnetic offset is the mean value of the switching points BOFFSET = (BON + BOFF) / 2  
44  
Jan. 11. 2010; DSH000020_004EN  
Micronas  
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