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參數(shù)資料
| 型號(hào)： | A1148LUA-T |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| 中文描述： | 低電流超靈敏雙線斬波穩(wěn)定單極霍爾效應(yīng)開關(guān) |
| 文件頁(yè)數(shù)： | 6/13頁(yè) |
| 文件大?。?/td> | 319K |
| 代理商： | A1148LUA-T |
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6
A1147-DS, Rev. 6
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
A1147 and A1148
Functional Description
B
O
B
R
B
HYS
I
CC(H)
I
C
I
CC(L)
S
S
B+
B–
I+
0
(A) A1147
B
O
B
R
B
HYS
I
CC(H)
I
C
I
CC(L)
S
S
B+
I+
B–
0
(B) A1148
Operation
The output, I
CC
, of the A1147 device switches low after the mag-
netic field at the Hall sensor exceeds the operate point threshold,
B
OP
. When the magnetic field is reduced to below the release
point threshold, B
RP
, the device output goes high. The differ-
ences between the magnetic operate and release point is called
the hysteresis of the device, B
HYS
. This built-in hysteresis allows
clean switching of the output even in the presence of external
mechanical vibration and electrical noise. The A1148 device
switches with opposite polarity for similar B
OP
and B
RP
values,
in comparison to the A1147 (see figure 1).
Figure 1. Alternative switching behaviors are available in the A114x 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).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A1148LUATI | Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1148LUATI-T | Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1148LLHLT | Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1147 | Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1148 | Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1148LUATI | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1148LUATI-T | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A11490 | 功能描述:大功率LED - 單色 Amber 590nm 5 Watt RoHS:否 制造商:Cree, Inc. 照明顏色:Blue 波長(zhǎng):465 nm 光強(qiáng)度: 光通量/輻射通量:500 mW 正向電流:350 mA 正向電壓:3.1 V 安裝風(fēng)格:SMD/SMT 功率額定值: 系列:XB-D 封裝:Reel |
| A114A | 制造商:General Electric Company 功能描述: 制造商:Advanced Semiconductor Inc 功能描述:Rectifier Diode, 100 Volt, Axial-B 制造商:SIGNAL DIODE 功能描述:Rectifier Diode, 100 Volt, Axial-B |
| A11-4A | 制造商:Honeywell Sensing and Control 功能描述: |
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