A1220LUA-T

更新时间： 2024-11-23 06:34:19

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
13页	281K
描述
Chopper Stabilized Precision Hall Effect Latches

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中文翻译

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数据手册
替代型号

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A1220LUA-T 数据手册

A1220, A1221, and A1222

Chopper Stabilized Precision Hall Effect Latches

Features and Benefits

Description

▪ Symmetrical latch switchpoints

▪ Resistant to physical stress

▪ Superior temperature stability

▪ Output short-circuit protection

▪ Operation from unregulated supply down to 3 V

▪ Reverse battery protection

The A1220, A1221, and A1222 Hall-effect sensor ICs are

extremely temperature-stable and stress-resistant devices

especiallysuitedforoperationoverextendedtemperatureranges

to 150°C. Superior high-temperature performance is made

possiblethroughdynamicoffsetcancellation,whichreducesthe

residualoffsetvoltagenormallycausedbydeviceovermolding,

temperature dependencies, and thermal stress. Each device

includesonasinglesiliconchipavoltageregulator,Hall-voltage

generator,small-signalamplifier,chopperstabilization,Schmitt

trigger, and a short-circuit protected open-collector output to

sink up to 25 mA. A south pole of sufficient strength turns the

output on. A north pole of sufficient strength is necessary to

turn the output off.

▪ Solid-state reliability

▪ Small package sizes

Packages:

An onboard regulator permits operation with supply voltages

of 3 to 24 V. The advantage of operating down to 3 V is that

the device can be used in 3-V applications or with additional

external resistance in series with the supply pin for greater

protection against high voltage transient events.

Two package styles provide magnetically optimized packages

for most applications. Package type LH is a modified 3-pin

SOT23WsurfacemountpackagewhileUAisathree-pinultra-

mini SIP for through hole mounting. Both packages are lead

(Pb) free, with 100% matte tin plated leadframes.

3-pin SOT23W (suffix LH)

3-pin SIP (suffix UA)

Not to scale

Functional Block Diagram

VCC

Regulator

To All Subcircuits

VOUT

Low-Pass

Filter

Amp

Control

Current Limit

GND

A1220-DS, Rev. 8

12 3 4 5 6 7...13

中文翻译

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A1220LUA-T 替代型号

型号	品牌	替代类型	描述	数据表
A1220EUA-T	ALLEGRO	类似代替	Chopper Stabilized Precision Hall Effect Latches

与A1220LUA-T相关器件

型号	品牌	获取价格	描述	数据表
A1220U	TECCOR	获取价格	solid state crowbar devices
A1220UA4LRP	LITTELFUSE	获取价格	Surge Protection Circuit, PDSO6, MS-013, 6 PIN
A1220UA4LTP	LITTELFUSE	获取价格	Surge Protection Circuit, PDSO6, MS-013, 6 PIN
A1220UA4LXX	LITTELFUSE	获取价格	The series provides a specialized asymmetrical dual port overvoltage protection
A1220UB4L	LITTELFUSE	获取价格	Silicon Surge Protector, 30A, MS-013, MS-013, 6 PIN
A1220UC4LXX	LITTELFUSE	获取价格	The series provides a specialized asymmetrical dual port overvoltage protection
A1221	ALLEGRO	获取价格	Chopper Stabilized Precision Hall Effect Latches
A1221ELHLT-T	ALLEGRO	获取价格	Chopper Stabilized Precision Hall Effect Latches
A1221ELHLT-T2	ALLEGRO	获取价格	Chopper Stabilized Precision Hall Effect Latches
A1221ELHLX-T	ALLEGRO	获取价格	Chopper Stabilized Precision Hall Effect Latches

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