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参数资料
| 型号： | A3144ELTTR |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PSSO3 |
| 封装： | TO-243AA, SOT-89, 3 PIN |
| 文件页数： | 5/9页 |
| 文件大小： | 759K |
| 代理商： | A3144ELTTR |
3121, 3122, AND 3123
HALL-EFFECT SWITCHES
FOR HIGH-TEMPERATURE
OPERATION
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
4
ELEMENT LOCATIONS
(±0.005" [0.13 mm] die placement)
OPERATION
The output of these devices (pin 3) switches low when the mag-
netic field at the Hall element exceeds the operate point threshold (B
OP).
At this point, the output voltage is V
OUT(SAT). When the magnetic field
is reduced to below the release point threshold (B
RP), the device output
goes high. The difference in the magnetic operate and release points is
called the hysteresis (B
hys) of the device. This built-in hysteresis allows
clean switching of the output even in the presence of external mechani-
cal vibration and electrical noise.
APPLICATIONS INFORMATION
Extensive applications information for Hall-effect devices is
available in:
Hall-Effect IC Applications Guide, Application Note 27701;
Hall-Effect Devices: Soldering, Gluing, Potting, Encapsulating, and
Lead Forming, Application Note 27703.1;
Soldering of Through-Hole Hall-Sensor Dervices, Application Note
27703; and
Soldering of Surface-Mount Hall-Sensor Devices, Application Note
27703.2.
All are provided in Allegro Electronic Data Book, AMS-702. or at
www.allegromicro.com
CHANGE IN OPERATE POINT
Suffix “LT”
Suffix “UA”
0.043"
1.09 mm
1
3
2
Dwg. MH-008-2D
0.0305"
0.775 mm
NOM
ACTIVE AREA DEPTH
0.089"
2.26 mm
A
1
3
2
Dwg. MH-011-2D
0.0195"
0.50 mm
NOM
BRANDED
SURFACE
ACTIVE AREA DEPTH
0.082"
2.07 mm
0.055"
1.38 mm
A
10
15
20
25
SUPPLY VOLTAGE IN VOLTS
0
Dwg. GH-042
5
CHANGE
IN
OPERATE
POINT
IN
GAUSS
-5.0
0
5.0
10
15
20
T = +25°C
A
Allegro
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3144EU | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| A3144EUA | 制造商:Allegro MicroSystems LLC 功能描述:Hall Effect Sensor 25mA Monolithic 5V/9V/12V/15V/18V 3-Pin Ultra Mini SIP Bulk |
| A3144LLL | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Hall-Effect Switch |
| A3144LLT | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| A3144-LT | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:SENSITIVE HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
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