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参数资料
| 型号： | A1148LUA-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 7/13页 |
| 文件大小： | 454K |
| 描述： | IC SWITCH HALL EFFECT UNI 3-SIP |
| 产品培训模块： | Current Sensor |
| 标准包装： | 500 |
| 传感范围： | 80G 跳闸，10G 释放 |
| 类型： | 单极开关 |
| 电源电压： | 3.5 V ~ 24 V |
| 电流 - 电源： | 5mA |
| 输出类型： | 数字，开路集电极 |
| 特点： | 稳压电压 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 3-SIP |
| 供应商设备封装： | 3-SIP |
| 包装： | 散装 |
Low Current Ultrasensitive Two-Wire
Chopper-Stabilized Unipolar Hall Effect Switches
A1147 and
A1148
6
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Functional Description
B
HYS
I
CC(H)
I
CC(L)
B+
B
I+
0
(A) A1147
B
HYS
I
CC(H)
I
CC(L)
B+
I+
B
0
(B) A1148
Operation
The output, I
CC
, of the A1147 device switches low after the
magnetic field at the Hall element 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 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).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A1148LUATI | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1148LUATI-T | 制造商:ALLEGRO 制造商全称: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 - 单色 Amber 590nm 5 Watt RoHS:否 制造商:Cree, Inc. 照明颜色:Blue 波长:465 nm 光强度: 光通量/辐射通量:500 mW 正向电流:350 mA 正向电压:3.1 V 安装风格:SMD/SMT 功率额定值: 系列:XB-D 封装: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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