Datasheet > AH1883_11

AH1883_11

更新时间： 2022-04-05 21:41:32

品牌	Logo	应用领域
美台 - DIODES		开关
页数	文件大小	规格书
10页	228K
描述
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH

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AH1883_11 数据手册

AH1883

MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH

Description

Pin Assignments

(Top View)

The AH1883 micropower Omnipolar Hall Effect switch IC is

designed for portable and battery powered equipment such

as cellular phones, cordless phones, camcorders, PDA’s, and

portable PC’s. Based on two high sensitivity Hall Effect plates

and chopper stabilized architecture, the AH1883 provides

reliable solution over the whole operating range.

GND

OUTPUT

Vdd

SOT553

To support portable and battery powered equipment the

design has been optimized to operate from 1.65V to 3.3V and

consumes 13uW typical with a supply of 1.8V. To minimize

PCB space the AH1883 incudes a push-pull output structure,

therefore does not require an external pull up resistor, and is

packaged in small low profile SOT553 and U-DFN2020-3

packages.

(Top View)

3. GND

1. Vdd

U-DFN2020-3

Either North or South pole of sufficient strength will turn the

output on. When the magnetic flux density (B) is larger than

operate (Bop) the output is switched on. The output is turned

off when B becomes lower than the release point (Brp). The

output will remain off when there is no magnetic field.

2. OUTPUT

Features

Applications

•

Micropower operation

•

Cellular phone

PDA

Operation with North or South Pole

1.65V to 3.3V battery operation

Chopper stabilized

Portable PCs – Netbook, Notebook, Tablets

Camcorders

Superior temperature stability

Extremely Low Switch-Point Drift

Insensitive to Physical Stress

Cordless phone

Handheld game consoles

Proximity detection and contact-less switch

applications

•

Good RF noise immunity

-40°C to 85°C operating temperature

ESD (HBM) ＞ 6kV in SOT553 and U-DFN2020-3

•

Small low profile packages: SOT553 and U-DFN2020-3

“Green” Molding Compound

1 of 10

www.diodes.com

September 2011

AH1883

Document number: DS31296 Rev. 6 - 2

12 3 4 5 6 7...10

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