參數(shù)資料
型號: A1155LUA-T
元件分類: 磁阻傳感器
英文描述: MAGNETIC FIELD SENSOR-HALL EFFECT, 1-6mT, RECTANGULAR, THROUGH HOLE MOUNT
封裝: 1.50 X 4 MM, 3 MM HEIGHT, LEAD FREE, SIP-3
文件頁數(shù): 10/12頁
文件大小: 301K
代理商: A1155LUA-T
Functional Description
B
OP
B
RP
BHYS
ICC(H)
I CC
ICC(L)
Switch
to
Low
Switch
to
High
B+
B–
I+
0
(A) Hysteresis curve for A1152, and A1155
B
OP
B
RP
BHYS
ICC(H)
I CC
ICC(L)
Switch
to
High
Switch
to
Low
B+
I+
B–
0
(B) Hysteresis curve for A1153 and A1156
The A1152 and A1155 output, ICC, switches low after the mag-
netic field at the Hall sensor IC exceeds the operate point thresh-
old, BOP. When the magnetic field is reduced to below the release
point threshold, BRP, the device output goes high. This is shown
in figure 1, panel A.
In the case of the reverse output polarity, as in the A1153 and
A1156, the device output switches high after the magnetic field
at the Hall sensor IC exceeds the operate point threshold, BOP.
When the magnetic field is reduced to below the release point
threshold, BRP, the device output goes low (panel B).
The difference between the magnetic operate and release points
is called the hysteresis of the device, BHYS. This built-in hyster-
esis allows clean switching of the output even in the presence of
external mechanical vibration and electrical noise.
Figure 1. Alternative switching behaviors are available in the A115x device family. On the horizontal axis, the B+ direction indicates
increasing south polarity magnetic field strength, and the B– direction indicates decreasing south polarity field strength (including the
case of increasing north polarity).
Chopper-Stabilized, Two Wire
Hall-Effect Switches
A1152, A1153,
A1155, and A1156
7
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
相關(guān)PDF資料
PDF描述
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A1174EEWLT-T MAGNETIC FIELD SENSOR-HALL EFFECT, -5.5-5.5mT, 300mV, RECTANGULAR, SURFACE MOUNT
A1193LUA-T MAGNETIC FIELD SENSOR-HALL EFFECT, 1-20mT, RECTANGULAR, THROUGH HOLE MOUNT
A1192LLHLT-T MAGNETIC FIELD SENSOR-HALL EFFECT, 1-20mT, RECTANGULAR, SURFACE MOUNT
A1190LUA-T MAGNETIC FIELD SENSOR-HALL EFFECT, 1-20mT, RECTANGULAR, THROUGH HOLE MOUNT
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A-1156 制造商:TE Connectivity 功能描述:
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