Datasheet > A1101LLHLX-T

A1101LLHLX-T

更新时间： 2022-02-26 12:01:08

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
13页	642K
描述
Continuous-Time Switch Family

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A1101LLHLX-T 数据手册

A1101, A1102, A1103, A1104, and A1106

Continuous-Time Switch Family

FEATURES AND BENEFITS

DESCRIPTION

• AEC-Q100 automotive qualified

• Continuous-time operation

□ Fast power-on time

The Allegro^™A1101-A1104 and A1106 Hall-effect switches

are next generation replacements for the popular Allegro

312x and 314x lines of unipolar switches. The A110x family,

produced with BiCMOS technology, consists of devices that

□ Low noise

• Stable operation over full operating temperature range

• Reverse battery protection

• Solid-state reliability

• Factory-programmed at end-of-line for optimum

performance

• Robust EMC performance

feature fast power-on time and low-noise operation. Device

programmingisperformedafterpackaging,toensureincreased

switchpointaccuracybyeliminatingoffsetsthatcanbeinduced

by package stress. Unique Hall element geometries and low-

offset amplifiers help to minimize noise and to reduce the

residualoffsetvoltagenormallycausedbydeviceovermolding,

temperature excursions, and thermal stress.

• High ESD rating

• Regulator stability without a bypass capacitor

The A1101-A1104 and A1106 Hall-effect switches include

the following on a single silicon chip: voltage regulator, Hall-

voltage generator, small-signal amplifier, Schmitt trigger, and

NMOS output transistor. The integrated voltage regulator

permits operation from 3.8 to 24 V. The extensive on-board

protectioncircuitrymakespossiblea±30Vabsolutemaximum

voltage rating for superior protection in automotive and

industrial motor commutation applications, without adding

external components. All devices in the family are identical

except for magnetic switchpoint levels.

Packages:

3-pin SOT23W (suffix LH)

3-pin SIP (suffix UA)

The small geometries of the BiCMOS process allow these

devices to be provided in ultrasmall packages. The package

styles available provide magnetically optimized solutions for

mostapplications.PackageLHisanSOT23W,aminiaturelow-

profilesurface-mountpackage,whilepackageUAisathree-lead

ultramini SIPfor through-hole mounting. Each package is lead

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

LH: A1101, A1102,

A1103, A1104, and

A1106

UA: A1101,

A1102, A1103,

and A1104

Not to scale

UA: A1106

VCC

Regulator

To all subcircuits

VOUT

Amp

Gain

Offset

Trim

Control

GND

Functional Block Diagram

A1101-DS, Rev. 16

12 3 4 5 6 7...13

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