Diodes AH1885 User Manual download pdf

AH1885

MICROPOWER, ULTRA-SENSITIVE HALL EFFECT

SWITCH

AH1885

Document number: DS31235 Rev. 4 - 2

1 of 7

www.diodes.com

September 2010

Description

AH1885 is with two Hall effect plates and dual CMOS

output driver, mainly designed for battery–powered, hand-

held equipment (such as Cellular and Cordless Phone,

PDA). The total operation power is down to 15uW in the

1.8V supply.

Either north or south pole of sufficient strength will turn the

output1 on. The output1 will be turned off under no

magnetic field.

While the magnetic flux density (B) is larger than operate

point (Bop), the output1 will be turned on (low), the output1

is held until B is lower than release point (Brp), then turned

off.

Pin Assignments

SOT553

GND

Out 1

Out 2

Vdd

( Top View )

Features

• Micropower operation

• Operation with North or South Pole

• 1.65V to 3.3V battery operation

• Chopper stabilized

• Superior temperature stability

• Extremely Low Switch-Point Drift

• Insensitive to Physical Stress

• Good RF noise immunity

• -40°C to 85°C operating temperature

• ESD ＞ 4KV in human body mode

• Package: SOT553

• “Green” Molding Compound

Applications

• Cellular phone

• PDA

• Cordless phone

Typical Application Circuit

AH1885

Vdd

Output 1

GND

Output 2

(Complement

of Output 1)

1 2 3 4 5 6 7

Summary of Contents

Page 1 - AH1885

AH1885MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH AH1885 Document number: DS31235 Rev. 4 - 2 1 of 7 www.diodes.com September 2010 © Diodes Incor

Page 2 - Cancelling

AH1885MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH AH1885 Document number: DS31235 Rev. 4 - 2 2 of 7 www.diodes.com September 2010 © Diodes Incor

AH1885MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH AH1885 Document number: DS31235 Rev. 4 - 2 3 of 7 www.diodes.com September 2010 © Diodes Incor

Page 4 - Icc (avg) u

AH1885MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH AH1885 Document number: DS31235 Rev. 4 - 2 4 of 7 www.diodes.com September 2010 © Diodes Incor

Page 5

AH1885MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH AH1885 Document number: DS31235 Rev. 4 - 2 5 of 7 www.diodes.com September 2010 © Diodes Incor

Page 6 - XX Y W X

AH1885MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH AH1885 Document number: DS31235 Rev. 4 - 2 6 of 7 www.diodes.com September 2010 © Diodes Incor

Page 7

AH1885MICROPOWER, ULTRA-SENSITIVE HALL EFFECT SWITCH AH1885 Document number: DS31235 Rev. 4 - 2 7 of 7 www.diodes.com September 2010 © Diodes Incor

Comments to this Manuals

No comments

Diodes AH1885 User Manual

Browse online or download User Manual for Hardware Diodes AH1885. Diodes AH1885 User Manual

Summary of Contents

Comments to this Manuals

Related products and manuals for Hardware Diodes AH1885