Datasheet > AH1810

AH1810

更新时间： 2022-02-26 13:25:06

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描述
HIGH SENSIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH

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AH1810 数据手册

AH1810

HIGH SENSIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH

Description

Pin Assignments

The AH1810 is a high sensitivity micropower Omnipolar Hall effect

switch IC with internal pull up and pull down capability. Designed for

portable and battery powered equipment such as cellular phones and

portable PCs, the average supply current is only 6µA at 3V. To

support potable equipment the AH1810 can operate over the supply

range of 2.3V to 3.6V and uses a hibernating clocking system to

minimize the power consumption.

The output is activated with either a North or South pole of sufficient

magnetic field strength. When the magnetic flux density (B)

perpendicular to the package is larger than operate point (Bop), the

output will be turned on (pulled low). 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.

Applications

Features



Cover or Display Switch in Portable PCs



Omnipolar Operation (North or South Pole)

Supply Voltage of 2.3V to 3.6V

High Sensitivity

Open and Close Detect for Cellular Phones

Holster Detect for Cellular Phones and Tablet PCs

Digital Still and Video Cameras

Micropower Operation

Contact-Less Switches

Chopper Stabilized Design Provides:

Superior Temperature Stability

Extremely Low Switch-Point Drift

Enhanced Immunity to Stress



No External Pull up Resistor Required

Good RF Noise Immunity

-40°C to +85°C Operating Temperature

Industry Standard SC59 Package

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

Typical Applications Circuit (Note 4)

Note:

4. C_INis for power stabilization and to strengthen the noise immunity, the recommended capacitance is 10nF to 100nF.

1 of 7

www.diodes.com

August 2013

AH1810

Document number: DS35743 Rev. 2 - 2

12 3 4 5 6 7

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