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A1172 PDF预览

A1172

更新时间: 2024-01-31 08:03:57
品牌 Logo 应用领域
急速微 - ALLEGRO 开关
页数 文件大小 规格书
9页 237K
描述
Micropower Ultra-Sensitive Hall-Ef fect Switch

A1172 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

A1172 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  

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