Datasheet > AH1912

AH1912

更新时间： 2024-11-29 14:54:43

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
10页	679K
描述
Micropower Omnipolar Hall Effect Switch

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AH1912 数据手册

AH1912

ULTRA-LOW POWER DIGITAL OMNIPLOAR

HALL-EFFECT SWITCH

Description

Pin Assignments

The AH1912 is an ultra-low power digital Omni-polar Hall Effect

switch IC from Diodes broad Hall Effect switches family. Thanks to the

hibernating clocking system, the average supply current is only 1.6μA

at 3V, which makes the AH1912 perfectly fit battery-powered

consumer products, Gas or water meter, smoke detectors and IoT

devices. The wider range of supply voltage (1.6V to 5.5V) extends

battery operating time and supports low voltage system

microcontrollers, which provides great flexibility for system design.

The advanced chopper stabilized design provides superior stability on

switch operating point over temperature and supply voltage. The high

ESD level up to 6kV helps to improve the system robustness.

(Top View)

2 OUTPUT

1 V_DD

GND 3

SC59

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 (B_OP), the

output will be turned on (pulled low) and held until B is lower than

release point (B_RP).

( Top View )

V_DD

OUTPUT

GND

The AH1912 comes with industry standard SC59 and X1-DFN1216-4

packages.

X1-DFN1216-4

Features



Omni-Polar Operation (North or South Pole)

Supply Voltage of 1.6V to 5.5V

Micro Power Operation

Applications



Smart Cover or Dock Detect for Cellular Phones and Tablet PCs

Gas or Water Consumption Measurement in Remote, Battery-

Operated Utility Meters

Chopper Stabilized Design Provides:

Superior Temperature Stability

Minimal Switch Point Drift



Medical Devices, IoT Systems

Enhanced Immunity to Physical Stress

Level, Proximity and Position Switches



No External Pull-Up Resistors Required

E-Locks, Smoke Detectors, Appliances

Good RF Noise Immunity

-40°C to +85°C Operating Temperature

High ESD Capability of 6kV (Human Body Model)

Small Low Profile, SC59 and X1-DFN1216-4 Packages

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) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ 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.

1 of 10

www.diodes.com

July 2019

AH1912

Document number: DS41112 Rev. 3 - 2

12 3 4 5 6 7...10

中文翻译

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