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參數(shù)資料
| 型號： | A3121L-U |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 151K |
| 代理商： | A3121L-U |
3121, 3122, AND 3123
HALL-EFFECT SWITCHES
FOR HIGH-TEMPERATURE
OPERATION
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
SENSOR 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 sensor 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
Hall effect applications information is available in the “Hall-Effect
IC Applications Guide”, which can be found in the latest issue of
Allegro MicroSystems Data Book AMS-702.
CHANGE IN OPERATE POINT
Suffix “LT”
Suffix “U”
Suffix “UA”
0.043"
1.09 mm
1
3
2
Dwg. MH-008-2C
0.030"
0.76 mm
NOM
ACTIVE AREA DEPTH
0.089"
2.26 mm
A
1
3
2
Dwg. MH-002-2B
0.016"
0.41 mm
NOM
BRANDED
SURFACE
ACTIVE AREA DEPTH
0.070"
1.78 mm
A
0.091"
2.31 mm
1
3
2
Dwg. MH-011-2C
0.019"
0.48 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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A3122*U | HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| A3122E* | HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| A3122ELL | Hall-Effect Switch |
| A3122E-LT | |
| A3122LLL | Hall-Effect Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A3121LUA | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| A3121U | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| A3121UA | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:HALL-EFFECT SWITCHES FOR HIGH-TEMPERATURE OPERATION |
| A3122 | 制造商:STIMPSON 功能描述: |
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