Datasheet > A1184_06

A1184_06

更新时间： 2024-11-15 04:02:43

品牌	Logo	应用领域
急速微 - ALLEGRO		开关
页数	文件大小	规格书
14页	377K
描述
Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches

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A1184_06 数据手册

A1184

Standard Two-Wire Field-Programmable Chopper-Stabilized

Unipolar Hall-Effect Switches

Features and Benefits

▪ Chopper stabilization

Description

TheA1184 device is a standard, 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 accounting

for variations caused by mounting tolerances for the device

and the target magnet.

▫ Low switchpoint drift over operating

temperature range

▫ Low sensitivity to stress

▪ Field programmable for optimized switchpoints

▪ On-chip protection

▫ Supply transient protection

▫ Reverse-battery protection

▫ On-board voltage regulator

▫ 3.5 to 24 V operation

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

eliminatestheoffsetsthatareinherentinsingle-elementdevices

exposed to harsh application environments. Commonly found

inanumberofautomotiveapplications,theA1184isutilizedto

sense:seattrackposition,seatbeltbucklepresence,hood/trunk

latching, and shift selector position.

Packages: 3 pin SOT23W (suffix LH), and

3 pin SIP (suffix UA)

Two-wire unipolar switches are particularly advantageous

in price-sensitive applications, because they require one

less wire than the more traditional open-collector output

switches. Additionally, the system designer gains inherent

diagnostics because output current normally flows in either

Continued on the next page…

Not to scale

Functional Block Diagram

V+

VCC

Program/Lock

Programming

Logic

Offset

Regulator

Clock/Logic

Amp

0.01 uF

Low-Pass

Filter

GND

Package UA Only

A1184-DS, Rev. 4

12 3 4 5 6 7...14

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与A1184_06相关器件

型号	品牌	获取价格	描述	数据表
A1184_11	ALLEGRO	获取价格	The A1184 device is a standard, two-wire, unipolar, Hall effect switch.
A1184ELH	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO3, MINIATURE, SOT-23W, 3 PIN
A1184ELHLT	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO3, MINIATURE, LOW PROFILE, SOT-23W, TO-236AB, 3 PIN
A1184ELHLT-T	ALLEGRO	获取价格	Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1184EUA	ALLEGRO	获取价格	Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1184EUA-T	ALLEGRO	获取价格	Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1184LLH	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO3, MINIATURE, SOT-23W, 3 PIN
A1184LLHLT	ALLEGRO	获取价格	Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1184LLHLT-T	ALLEGRO	获取价格	Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches
A1184LUA	ALLEGRO	获取价格	Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches

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