參數(shù)資料
型號: A3163ELT
廠商: Allegro MicroSystems, Inc.
元件分類: 霍爾效應(yīng)傳感器
英文描述: HALL-EFFECT SWITCH FOR 2-WIRE APPLICATIONS
中文描述: 霍爾效應(yīng)開關(guān)2線應(yīng)用
文件頁數(shù): 5/10頁
文件大?。?/td> 162K
代理商: A3163ELT
3163
HALL-EFFECT SWITCH
FOR 2-WIRE APPLICATIONS
www.allegromicro.com
5
FUNCTIONAL DESCRIPTION
Operation.
The output of these devices turns on when a
magnetic field (south pole) perpendicular to the Hall
sensor exceeds the operate point threshold (B
OP
). After
turn on, the output will source current (I
OUT(H)
) equal to
the device operating current plus a current source. When
the magnetic field is decreased (south pole) below the
release point (B
RP
), the output will source current (I
OUT(L)
)
equal to the Hall-effect sensor operating current with the
current source turned off. The difference in the magnetic
operate and release points is the hysteresis (B
hys
) of the
device. The hysteresis allows clean switching of the
output even in the presence of external mechanical vibra-
tion or electrical noise.
Powering up in the absence of a magnetic field (less
than B
OP
and higher than B
RP
) will allow an indeterminate
output state. The correct state is warranted after the first
excursion beyond B
OP
or B
RP
.
+B
0
O
FLUX DENSITY
Dwg. GH-007-8
0
RP
B
I
OUT(L)
I
OUT(H)
OP
B
+I
Suffix “LT”
SENSOR LOCATIONS
(
±
0.005" [0.13 mm] die placement)
Suffix “UA”
0.045"
1.14 mm
1
3
2
Dwg. MH-008-8A
0.0305"
0.775 mm
NOM
ACTIVE AREA DEPTH
0.088"
2.24 mm
A
1
3
2
Dwg. MH-011-9B
0.0195"
0.50 mm
NOM
BRANDED
SURFACE
ACTIVE AREA DEPTH
0.080"
2.04 mm
0.056"
1.44 mm
A
Allegro
相關(guān)PDF資料
PDF描述
A3163 HALL-EFFECT SWITCH FOR 2-WIRE APPLICATIONS
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