Datasheet > AH1888-ZG-7

AH1888-ZG-7

更新时间： 2022-10-09 13:52:22

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
11页	213K
描述
MICROPOWER, GENERAL-SENSITIVE HALL EFFECT

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AH1888-ZG-7 数据手册

AH1888

MICROPOWER, GENERAL-SENSITIVE HALL EFFECT

SWITCH

Description

Pin Assignments

The AH1888 micro power Omni-polar Hall Effect switch IC

designed for portable and battery powered equipment such as

cellular phones, PDA’ s and portable PC’ s. Based on two

sensitive Hall Effect plates and chopper stabilized architecture

the AH1888 provides a reliable solution over the whole

operating range. To support portable and battery powered

equipment the design has been optimized to operate over the

supply range of 1.65V to 3.3V and consumes only 12.6uW

with a supply of 1.8V.

( Top View )

Output 2

GND

Output1

Vdd

SOT553

( Top View )

3. GND

The outputs are switched with either a north or south pole of

sufficient strength. When the magnetic flux density (B) is

larger than operate point (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. The AH1888-ZG has two outputs, output one

pulls low when switched on and output two is inverted. The

AH1888-FJG provides output one and AH1888-FJRG

provides output two.

1. Vdd

2. Output 1

1. Vdd

2. Output 2

DFN2020-3

DFN2020R-3

Features

Applications

•

Omni-polar (north or south pole) operation

Single or dual output options

•

Cellular phone

PDA

Internal output pull up capability

Micropower operation

Cordless phone

1.65V to 3.3V operating range

Chopper stabilized design provides

Superior temperature stability

Minimal switch point drift

Enhanced immunity to stress

Good RF noise immunity

-40°C to 85°C operating temperature

ESD (HBM)＞4KV for SOT553

ESD (HBM)＞5KV for DFN2020-3 and DFN2020R-3

Package: SOT553, DFN2020-3 and DFN2020R-3

“Green” Molding Compound

1 of 11

www.diodes.com

August 2010

AH1888

Document number: DS31565 Rev. 6 - 2

12 3 4 5 6 7...11

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