Datasheet > ALS31000

ALS31000

更新时间： 2024-09-20 01:18:35

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
10页	748K
描述
Unidirectional Linear Hall-Effect Sensor IC with Analog Output, in Miniature Low-Profile Surface-Mount Package

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ALS31000 数据手册

ALS31000

Unidirectional Linear Hall-Effect Sensor IC with Analog Output,

in Miniature Low-Profile Surface-Mount Package

FEATURES AND BENEFITS

DESCRIPTION

• 5 V supply operation

New applications for linear output Hall-effect sensors, such

asdisplacementandangularposition, requirehigheraccuracy

and smaller package sizes. The Allegro ALS31000 linear

Hall-effect sensor IC has been designed specifically to meet

both requirements.

• QVO temperature coefficient programmed at Allegro^™for

improved accuracy

• Miniature package options

• High-bandwidth, low-noise analog output

• High-speed chopping scheme minimizes QVO drift across

operating temperature range

• Temperature-stable quiescent voltage output and sensitivity

• Precise recoverability after temperature cycling

• Output voltage clamps provide short-circuit diagnostic

capabilities

The accuracy of this device is enhanced via end-of-line

optimization. TheALS31000 features non-volatile memory to

optimize device sensitivity and the quiescent voltage output

(QVO: output in the absence of a magnetic field) for a given

application or circuit. Optimized performance is sustained

across the full operating temperature range by programming

the temperature coefficient for both sensitivity and QVO at

Allegro end-of-line test.

• Undervoltage lockout (UVLO)

• Wide ambient temperature range: –40°C to 150°C

• Immune to mechanical stress

ThisratiometricHall-effectsensorICprovidesavoltageoutput

proportionaltotheappliedmagneticfield.Thequiescentvoltage

output is adjusted to around 0.7 V and the output sensitivity

is set to 2.4 mV/G.

• Enhanced EMC performance for stringent automotive

applications

Package:

The features of this linear device make it ideal for use in

automotiveandindustrialapplicationsrequiringhighaccuracy

and operation across an extended temperature range, –40°C

to 150°C.

3-pin SOT23-W

2 mm × 3 mm × 1 mm

(suffix LH)

Each BiCMOS monolithic circuit integrates: a Hall element,

temperature-compensating circuitry to reduce the intrinsic

sensitivity drift of the Hall element, a small-signal high-gain

amplifier, a clamped low-impedance output stage, and a

proprietary dynamic offset cancellation technique.

Not to scale

Continued on the next page…

Functional Block Diagram

VCC

VOUT

Sensitivity and

Sensitivity TC

Offset and

Offset TC

BYPASS

GND

ALS31000-DS, Rev. 2

MCO-0000575

February 19, 2019

12 3 4 5 6 7...10

中文翻译

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与ALS31000相关器件

型号	品牌	获取价格	描述	数据表
ALS31000LLHALX	ALLEGRO	获取价格	Unidirectional Linear Hall-Effect Sensor IC with Analog Output, in Miniature Low-Profile S
ALS3102DE200	KEMET	获取价格	Screw Terminal Aluminum Electrolytic Capacito
ALS3103NF200	KEMET	获取价格	Screw Terminal Aluminum Electrolytic Capacito
ALS3103QH200	KEMET	获取价格	Screw Terminal Aluminum Electrolytic Capacito
ALS3104QT100	KEMET	获取价格	Screw Terminal Aluminum Electrolytic Capacito
ALS31300	ALLEGRO	获取价格	3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management
ALS31300EEJASR-1000	ALLEGRO	获取价格	Hall Effect Sensor,
ALS31300EEJASR-2000	ALLEGRO	获取价格	3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management
ALS31300EEJASR-500	ALLEGRO	获取价格	3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management
ALS31300EEJASR-JOY	ALLEGRO	获取价格	3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management

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