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A1172ECGLT

更新时间： 2024-11-15 12:27:27
品牌 Logo 应用领域
急速微 - ALLEGRO 开关传感器换能器磁场传感器
页数 文件大小 规格书
11页 246K
描述
Micropower Ultra-Sensitive Hall-Ef fect Switch

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中文翻译

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A1172ECGLT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：BGA4,2X2,20
Reach Compliance Code：compliant风险等级：5.81
Is Samacsys：N主体宽度：0.955 mm
主体高度：0.5 mm主体长度或直径：0.955 mm
外壳：PLASTIC滞后：0.6 mT
JESD-609代码：e1最大磁场范围：5.5 mT
最小磁场范围：0.6 mT安装特点：SURFACE MOUNT
端子数量：4最大工作电流：2 mA
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：1 mA输出极性：COMPLEMENTARY
输出范围：0.30V输出类型：DIGITAL VOLTAGE
封装主体材料：PLASTIC/EPOXY封装等效代码：BGA4,2X2,20
封装形状/形式：SQUARE电源：1.8/3.3 V
传感器/换能器类型：MAGNETIC FIELD SENSOR,HALL EFFECT子类别：Other Sensors/Transducers
最大供电电压：3.5 V最小供电电压：1.65 V
表面贴装：YES端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
端接类型：SOLDERBase Number Matches：1

A1172ECGLT 数据手册

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A1172  
Micropower Ultra-Sensitive Hall-Effect Switch  
Features and Benefits  
Description  
▪ Micropower operation  
The A1172 is an ultra-sensitive, pole-independent Hall-effect  
▪ Operation with either north or south pole—  
no magnetic orientation required during assembly  
▪ 1.65 to 3.5 V battery operation  
▪ Chopper stabilization  
switch with a latched digital output. It features operation at  
low supply currents and voltages, making it ideal for battery-  
operated electronics. The 1.65 to 3.5 V operating supply  
voltage and unique clocking algorithm reduce the average  
operating power requirements to less than 15 μW with a  
2.75 V supply.  
▫ Superior temperature stability  
▫ Extremely low switchpoint drift  
▫ Insensitive to physical stress  
▪ Solid state reliability  
The A1172 has two push-pull output structures. Omnipolar  
activation for the output function is available on each output  
structure. As such, either a north or south pole of sufficient  
strength turns the available outputs off or on. The A1172  
contains two complementary outputs. Therefore, for a fixed  
magnetic field, one output will be in a high voltage state and  
one output will be in a low voltage state.  
▪ Small size: WLCSP (≈ 1 mm × 1 mm × 0.5 mm)  
▪ Complementary, push-pull outputs eliminate need for  
pull-up resistor  
Package: 4 pin WLCSP (suffix CG)  
Improved stability is made possible through dynamic offset  
cancellation using chopper stabilization, which reduces the  
residualoffsetvoltagenormallycausedbydeviceovermolding,  
temperature dependencies, and thermal stress. This device  
Continued on the next page…  
Not to scale  
Engineering samples available on a limited basis. Contact your local  
sales or applications support office for additional information.  
Functional Block Diagram  
VDD  
Clock/Logic  
Amp  
VOUTPS  
Latch  
Low-Pass  
Filter  
VOUTPN  
Latch  
GND  
1172-DS, Rev. 5  
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