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A1140LLHLT-T PDF预览

A1140LLHLT-T

更新时间: 2024-02-28 06:22:48
品牌 Logo 应用领域
急速微 - ALLEGRO 开关
页数 文件大小 规格书
11页 392K
描述
Analog Circuit, 1 Func, BICMOS, PDSO3, MINIATURE, LEAD FREE, SOT-23W, 3 PIN

A1140LLHLT-T 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SIP包装说明:SIP,
针数:3Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.91
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PSIP-T3
JESD-609代码:e0长度:4.105 mm
功能数量:1端子数量:3
最高工作温度:150 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SIP
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:5.26 mm最大供电电压 (Vsup):24 V
最小供电电压 (Vsup):3.8 V标称供电电压 (Vsup):12 V
表面贴装:NO技术:BICMOS
温度等级:AUTOMOTIVE端子面层:TIN LEAD
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.52 mmBase Number Matches:1

A1140LLHLT-T 数据手册

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A1140/41/42/43  
Sensitive Two-Wire Chopper-Stabilized  
Unipolar Hall-Effect Switches  
The A1140, A1141, A1142, and A1143 devices are sensitive, two-wire, unipo-  
lar, Hall effect switches that are factory-programmed at end-of-line to optimize  
magnetic switchpoint accuracy. These devices are produced on the Allegro  
MicroSystems advanced BiCMOS wafer fabrication process, which implements a  
patented, high-frequency, chopper-stabilization technique that achieves magnetic  
stability and eliminates the offsets that are inherent in single-element devices  
exposed to harsh application environments. Commonly found in a number of  
automotive applications, the A1140-43 family of devices are utilized to sense: seat  
track position, seat belt buckle presence, hood/trunk latching, and shift selector  
position.  
Package LH, 3-pin SOT  
3
1. VCC  
2. No connection  
3. GND  
NC  
2
1
Two-wire unipolar switches are particularly advantageous in price-sensitive appli-  
cations, because they require one less wire than the more traditional open-collec-  
tor output switches. Additionally, the system designer gains inherent diagnostics  
because output current normally ows in either of two narrowly-specied ranges.  
Any output current level outside of these two ranges is a fault condition. The  
A1140-43 family of devices also features on-chip transient protection, and a Zener  
clamp to protect against overvoltage conditions on the supply line.  
Package UA, 3-pin SIP  
PTCT  
1. VCC  
2. GND  
3. GND  
The output currents of the A1141 and A1143 switch HIGH in the presence of a south  
polarity magnetic eld of sufcient strength; and switch LOW otherwise, including  
when there is no signicant magnetic eld present. The A1140 and A1142 have  
inverted output current levels: switching LOW in the presence of a south polarity  
magnetic eld of sufcient strength, and HIGH otherwise. The devices also differ in  
their specied LOW current supply levels.  
1
2
3
All family members are offered in two package styles: SOT-23W, a miniature low-  
prole package for surface-mount applications (sufx –LH), and TO-92, three-  
lead ultra-mini Single Inline Package (SIP) for through-hole mounting  
(sufx –UA).  
ABSOLUTE MAXIMUM RATINGS  
Supply Voltage, VCC ..........................................28 V  
Reverse-Supply Voltage, VRCC ........................–18 V  
Magnetic Flux Density, B .........................Unlimited  
Operating Temperature  
Field-programmable versions are also available. Refer to: A1180, A1181, A1182,  
and A1183.  
Ambient, TA, Range E..................–40ºC to 85ºC  
Ambient, TA, Range L................–40ºC to 150ºC  
Maximum Junction, TJ(max)........................165ºC  
Storage Temperature, TS ..................–65ºC to 170ºC  
Features and Benets  
Chopper stabilization  
On-chip protection  
Low switchpoint drift over operating tem- Supply transient protection  
perature range  
Reverse-battery protection  
Low stress sensitivity  
On-board voltage regulator  
Factory programmed at end-of-line for  
optimized switchpoints  
3.5 V to 24 V operation  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff, Box 15036  
Worcester, Massachusetts 01615-0036 (508) 853-5000  
www.allegromicro.com  
A1140-DS  

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