Datasheet > A1244LLHLT-I2-T

A1244LLHLT-I2-T

更新时间： 2024-02-06 13:56:18

品牌	Logo	应用领域
急速微 - ALLEGRO		传感器换能器
页数	文件大小	规格书
12页	448K
描述
Hall Effect Sensor,

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中文翻译

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技术参数
数据手册
替代型号

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A1244LLHLT-I2-T 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	风险等级：	1.7
JESD-609代码：	e3	传感器/换能器类型：	MAGNETIC FIELD SENSOR,HALL EFFECT
端子面层：	Matte Tin (Sn)	Base Number Matches：	1

A1244LLHLT-I2-T 数据手册

A1244

Chopper-Stabilized, Two-Wire Hall-Effect Latch

FEATURES AND BENEFITS

DESCRIPTION

▪ꢀAEC-Q100ꢀautomotiveꢀqualified

▪ꢀHigh-speed,ꢀ4-phaseꢀchopperꢀstabilization

▫ꢀLowꢀswitchpointꢀdriftꢀthroughoutꢀtemperatureꢀrange

▫ꢀLowꢀsensitivityꢀtoꢀthermalꢀandꢀmechanicalꢀstresses

▪ꢀOn-chipꢀprotection

The A1244 is a two-wire Hall-effect latch. The devices are

producedontheAllegro^™advancedBiCMOSwaferfabrication

process, which implements a high-frequency, 4-phase,

chopper stabilization technique. This technique achieves

magnetic stability over the full operating temperature range,

and eliminates offsets inherent in devices with a single Hall

element that are exposed to harsh application environments.

▫ꢀSupplyꢀtransientꢀprotection

▫ꢀReverse-batteryꢀprotection

▪ꢀOn-boardꢀvoltageꢀregulatorꢀ

▫ꢀ3ꢀtoꢀ24ꢀVꢀoperation

▪ꢀSolid-stateꢀreliability

▪ꢀRobustꢀEMCꢀandꢀESDꢀperformance

▪ꢀIndustry-leadingꢀISOꢀ7637-2ꢀperformanceꢀthroughꢀuseꢀofꢀ

proprietary,ꢀ40ꢀVꢀclampingꢀstructures

Two-wirelatchesareparticularlyadvantageousincost-sensitive

applications because they require one less wire for operation

versus the more traditional open-collector output switches.

Additionally, the system designer inherently gains diagnostics

because there is always output current flowing, which should

be in either of two narrow ranges.Any current level not within

these ranges indicates a fault condition.

PACKAGES:

The Hall-effect latch will be in the high output current state

in the presence of a magnetic south polarity field of sufficient

magnitude and will remain in this state until a sufficient north

polarity field is present.

3-pin ultra-mini SIP

1.5 mm × 4 mm × 3 mm

(suffix UA)

3-pin SOT23-W

2 mm × 3 mm × 1 mm

(suffix LH)

The device is offered in two package styles. The LH is a

SOT-23W style, miniature low-profile package for surface-

mount applications. The UA is a 3-pin ultra-mini single inline

package (SIP) for through-hole mounting. Both packages are

lead (Pb) free, with 100% matte-tin leadframe plating.

Approximate footprint

Not to scale

Functional Block Diagram

V+

VCC

Regulator

Clock/Logic

Amp

To all subcircuits

0.01 µF

Schmitt

Trigger

Low-Pass

Filter

Polarity

GND

UA package only

GND

A1244-DS, Rev. 3

May 19, 2017

12 3 4 5 6 7...12

中文翻译

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A1244LLHLT-I2-T 替代型号

型号	品牌	替代类型	描述	数据表
A1242LLHLT-I2-T	ALLEGRO	类似代替	Two-Wire Chopper-Stabilized Hall Effect Latch

与A1244LLHLT-I2-T相关器件

型号	品牌	获取价格	描述	数据表
A1244LLHLX-I1-T	ALLEGRO	获取价格	Hall Effect Sensor, -8mT Min, 8mT Max, BICMOS, Plastic/epoxy, Rectangular, 3 Pin, Surface
A1244LLHLX-I2-T	ALLEGRO	获取价格	Hall Effect Sensor, -8mT Min, 8mT Max, BICMOS, Plastic/epoxy, Rectangular, 3 Pin, Surface
A1244LUA-I1-T	ALLEGRO	获取价格	Hall Effect Sensor, -8mT Min, 8mT Max, BICMOS, Plastic/epoxy, Rectangular, 3 Pin, Through
A1244LUA-I2-T	ALLEGRO	获取价格	Hall Effect Sensor, -8mT Min, 8mT Max, BICMOS, Plastic/epoxy, Rectangular, 3 Pin, Through
A1245	ALLEGRO	获取价格	Chopper-Stabilized, Two Wire Hall-Effect Latch
A1245LLHLX-I1-T	ALLEGRO	获取价格	Chopper-Stabilized, Two Wire Hall-Effect Latch
A1245LLHLX-I2-T	ALLEGRO	获取价格	Chopper-Stabilized, Two Wire Hall-Effect Latch
A1245LUA-I1-T	ALLEGRO	获取价格	Chopper-Stabilized, Two Wire Hall-Effect Latch
A1245LUA-I2-T	ALLEGRO	获取价格	Chopper-Stabilized, Two Wire Hall-Effect Latch
A124D	ETC	获取价格	IC

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