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A1220ELHLT-T2 PDF预览

A1220ELHLT-T2

更新时间: 2024-01-05 23:48:59
品牌 Logo 应用领域
急速微 - ALLEGRO 传感器换能器磁场传感器输出元件
页数 文件大小 规格书
14页 288K
描述
Chopper Stabilized Precision Hall Effect Latches

A1220ELHLT-T2 技术参数

生命周期:ActiveReach Compliance Code:compliant
风险等级:5.78Is Samacsys:N
其他特性:AEC-Q100; ISO 26262 COMPLIANT; SHORT-CIRCUIT PROTECTION主体宽度:1.91 mm
主体高度:1 mm主体长度或直径:2.98 mm
滞后:4.5 mT最大磁场范围:4 mT
最小磁场范围:-4 mT安装特点:SURFACE MOUNT
最大工作电流:4 mA最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:60 mA
输出范围:30-60mA输出类型:CURRENT OUTPUT
封装形状/形式:RECTANGULAR传感器/换能器类型:MAGNETIC FIELD SENSOR,HALL EFFECT
最大供电电压:24 V最小供电电压:3 V
表面贴装:YES端接类型:SOLDER
Base Number Matches:1

A1220ELHLT-T2 数据手册

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A1220, A1221, A1222, and A1223  
Chopper Stabilized Precision Hall Effect Latches  
Features and Benefits  
Description  
Symmetrical latch switchpoints  
Resistant to physical stress  
Superior temperature stability  
Output short-circuit protection  
Operation from unregulated supply down to 3 V  
Reverse battery protection  
TheA1220, A1221,A1222, andA1223 Hall-effect sensor ICs  
are extremely temperature-stable and stress-resistant devices  
especiallysuitedforoperationoverextendedtemperatureranges  
to 150°C. Superior high-temperature performance is made  
possiblethroughdynamicoffsetcancellation,whichreducesthe  
residualoffsetvoltagenormallycausedbydeviceovermolding,  
temperature dependencies, and thermal stress. Each device  
includes on a single silicon chip a voltage regulator, Hall-  
voltagegenerator,small-signalamplifier,chopperstabilization,  
Schmitttrigger,andashort-circuitprotectedopen-drainoutput  
to sink up to 25 mA. A south pole of sufficient strength turns  
the output on. A north pole of sufficient strength is necessary  
to turn the output off.  
Solid-state reliability  
Small package sizes  
Packages:  
An onboard regulator permits operation with supply voltages  
of 3 to 24 V. The advantage of operating down to 3 V is that  
the device can be used in 3-V applications or with additional  
external resistance in series with the supply pin for greater  
protection against high voltage transient events.  
Two package styles provide magnetically optimized packages  
for most applications. Package type LH is a modified 3-pin  
SOT23WsurfacemountpackagewhileUAisathree-pinultra-  
mini SIP for through hole mounting. Both packages are lead  
(Pb) free, with 100% matte tin plated leadframes.  
3-pin SOT23W (suffix LH)  
3-pin SIP (suffix UA)  
Not to scale  
Functional Block Diagram  
VCC  
Regulator  
To All Subcircuits  
VOUT  
Low-Pass  
Filter  
Amp  
Control  
Current Limit  
GND  
A1220-DS, Rev. 11  

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