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參數(shù)資料
| 型號(hào)： | A1140LLHLT-T |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO3 |
| 封裝： | MINIATURE, LEAD FREE, SOT-23W, 3 PIN |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 344K |
| 代理商： | A1140LLHLT-T |
Sensitive Two-Wire Chopper-Stabilized
Unipolar Hall Effect Switches
A1140, A1141,
A1142, and A1143
7
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Functional Description
B
O
B
R
B
HYS
I
CC(H)
I
C
I
CC(L)
S
S
B+
B–
I+
0
(A) A1140, A1142
B
O
B
R
B
HYS
I
CC(H)
I
C
I
CC(L)
S
S
B+
I+
B–
0
(B) A1141, A1143
Operation
The output, I
CC
, of the A1140 and A1142 devices switch low
after the magnetic 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 differences 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 A1141 and A1143 devices switch with opposite polarity for
similar B
OP
and B
RP
values, in comparison to the A1140 and
A1142 (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).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1140LUA | 功能描述:IC SWITCH HALL EFFECT UNI 3-SIP RoHS:否 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1140LUATI-T4 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1141 | 制造商:Quick 功能描述:PLCC 11.5 X 14 NOZZLE FOR QUICK957/957D |
| A114106 | 制造商:NORTH SAFETY PRODUCTS 功能描述:HELMET FULL FACE WITH FACE SEAL. |
| A-1141-1 | 功能描述:通用繼電器 DC SOLENOID. RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:1 Form A (SPST-NO) 觸點(diǎn)電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點(diǎn)材料: |
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