A1181LLHLT-T

更新时间： 2024-11-14 22:10:03

品牌	Logo	应用领域
急速微 - ALLEGRO		开关光电二极管信息通信管理
页数	文件大小	规格书
16页	356K
描述
Sensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches

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A1181LLHLT-T 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOT-23	包装说明：	TSSOP,
针数：	3	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.84
Is Samacsys：	N	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	R-PDSO-G3	JESD-609代码：	e3
长度：	2.92 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：	TSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	1.17 mm
最大供电电压 (Vsup)：	24 V	最小供电电压 (Vsup)：	3.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	BICMOS	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.95 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	宽度：	1.975 mm
Base Number Matches：	1

A1181LLHLT-T 数据手册

A1180/81/82/83

Sensitive Two-Wire Field-Programmable Chopper-Stabilized

Unipolar Hall-Effect Switches

The A1180, A1181, A1182, and A1183 devices are sensitive, two-wire, unipolar,

Hall effect switches. The operate point, B_OP, can be ﬁeld-programmed, after ﬁnal

packaging of the sensor and placement into the application. This advanced feature

allows the optimization of the sensor switching performance, by effectively

Package LH, 3-pin SOT

accounting for variations caused by mounting tolerances for the device and the

target magnet.

1. VCC

2. No connection

3. GND

This family of 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 applica-

tion environments. Commonly found in a number of automotive applications,

the A1180-83 family of devices are utilized to sense: seat track position, seat belt

buckle presence, hood/trunk latching, and shift selector position.

Package UA, 3-pin SIP

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 ﬂows in either of two narrowly-speciﬁed ranges.

Any output current level outside of these two ranges is a fault condition. The

A1180-83 family of devices also features on-chip transient protection, and a Zener

clamp to protect against overvoltage conditions on the supply line.

1. VCC

2. GND

3. GND

The output currents of the A1181 and A1183 switch ^HIGHin the presence of a south

polarity magnetic ﬁeld of sufﬁcient strength; and switch LOW otherwise, including

when there is no signiﬁcant magnetic ﬁeld present. The A1180 and A1182 have

inverted output current levels: switching LOW in the presence of a south polarity

magnetic ﬁeld of sufﬁcient strength, and HIGH otherwise. The devices also differ in

their speciﬁed LOW current supply levels.

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, V_CC..........................................28 V

Reverse-Supply Voltage, V_RCC........................–18 V

Magnetic Flux Density, B .........................Unlimited

Operating Temperature

Ambient, T_A, Range E..................–40ºC to 85ºC

Ambient, T_A, Range L................–40ºC to 150ºC

Maximum Junction, T_J(max)........................165ºC

Storage Temperature, T_S..................–65ºC to 170ºC

Both devices are offered in two package styles: LH, a SOT-23W miniature low-

proﬁle package for surface-mount applications, and UA, a three-lead ultramini

Single Inline Package (SIP) for through-hole mounting. Each package is available

in a lead (Pb) free version (sufﬁx, –T) with 100% matte tin plated leadframe.

Factory-programmed versions are also available. Refer to: A1140, A1141, A1142,

A1143, A1145, and A1146.

Features and Beneﬁts

ꢀChopper stabilization

ꢀOn-chip protection

ꢀLow switchpoint drift over operating

temperature range

ꢀSupply transient protection

ꢀReverse-battery protection

ꢀOn-board voltage regulator

ꢀ3.5 V to 24 V operation

ꢀLow stress sensitivity

ꢀField-programmable for optimized

switchpoints

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

A1180-DS, Rev. 2

12 3 4 5 6 7...16

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与A1181LLHLT-T相关器件

型号	品牌	获取价格	描述	数据表
A1181LUA	ALLEGRO	获取价格	Sensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1181LUA-T	ALLEGRO	获取价格	Sensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1181LUA-TL	ALLEGRO	获取价格	暂无描述
A1182	ALLEGRO	获取价格	Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Effect Switch
A1182ELH	ALLEGRO	获取价格	Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Effect Switch
A1182ELHLT	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO3, MINIATURE, SOT-23W, 3 PIN
A1182ELHLT-T	ALLEGRO	获取价格	Sensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1182EUA	ALLEGRO	获取价格	Two-Wire, Programmable, Chopper-Stabilized, Unipolar Hall-Effect Switch
A1182EUA-T	ALLEGRO	获取价格	Sensitive Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1182EUA-TL	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PSIP3, ULTRA MINI, SIP-3

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