Datasheet > A1245LUA-I1-T

A1245LUA-I1-T

更新时间： 2024-02-02 06:32:40

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
13页	567K
描述
Chopper-Stabilized, Two Wire Hall-Effect Latch

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中文翻译

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数据手册

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A1245LUA-I1-T 数据手册

A1245

Chopper-Stabilized, Two Wire Hall-Effect Latch

FEATURES AND BENEFITS

DESCRIPTION

• High speed, 4-phase chopper stabilization

□ Low switchpoint drift throughout temperature range

□ Low sensitivity to thermal and mechanical stresses

• On-chip protection

□ Supply transient protection

□ Reverse battery protection

• On-board voltage regulator

The A1245 is a two-wire Hall-effect latch. The device is

producedontheAllegro^™advancedBiCMOSwaferfabrication

process,whichimplementsapatentedhighfrequency,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.

□ 3.0 to 24 V operation

• Solid-state reliability

• Industry leading ISO 7637-2 performance through use of

proprietary, 40 V clamping structures

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:

Not to scale

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.

Approximate

footprints

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

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

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

3-pin SOT23-W

2 × 3 × 1 mm

(suffix LH)

3-pin ultramini SIP

1.5 × 4 × 3 mm

(suffix UA)

VCC

V+

Regulator

Clock/Logic

Amp

To all subcircuits

Schmitt

Trigger

Low-Pass

Filter

Polarity

GND

UA package only

GND

Functional Block Diagram

A1245-DS, Rev. 1

12 3 4 5 6 7...13

中文翻译

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与A1245LUA-I1-T相关器件

型号	品牌	获取价格	描述	数据表
A1245LUA-I2-T	ALLEGRO	获取价格	Chopper-Stabilized, Two Wire Hall-Effect Latch
A124D	ETC	获取价格	IC
A124HI	MPD	获取价格	Ultra-High Isolation, 1.5W Single & Dual Output DC/DC Converters
A1-24PA-2.54DS	HRS	获取价格	2.54mm Pitch High Density Connector
A1-24PA-2.54DS(71)	HRS	获取价格	Board Connector
A1-24PA-2.54DSA	HRS	获取价格	2.54mm Pitch High Density Connector
A124S1MNCB	ITT	获取价格	Rotary Switch, 4 Positions, SP4T, Latched, 0.02A, 20VDC, Solder Terminal, Screw Driver Slo
A124S1MNCBE	ITT	获取价格	Rotary Switch, 4 Positions, SP4T, Latched, 0.02A, 20VDC, Solder Terminal, Screw Driver Slo
A124S1MNCBF	ITT	获取价格	Rotary Switch, 4 Positions, SP4T, Latched, 0.02A, 20VDC, Solder Terminal, Screw Driver Slo
A124S1MNCBK	ITT	获取价格	Rotary Switch, 4 Positions, SP4T, Latched, 0.02A, 20VDC, Solder Terminal, Screw Driver Slo

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