Datasheet > AH3574-SA-7

AH3574-SA-7

更新时间： 2022-02-26 11:40:07

品牌	Logo	应用领域
美台 - DIODES		高压
页数	文件大小	规格书
13页	888K
描述
HIGH VOLTAGE HIGH SENSITIVITY HALL EFFECT OMNIPOLAR SWITCH

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AH3574-SA-7 数据手册

AH3574

HIGH VOLTAGE HIGH SENSITIVITY

HALL EFFECT OMNIPOLAR SWITCH

Description

Pin Assignments

The AH3574 is a high voltage high sensitivity Hall Effect Omnipolar

switch IC designed for proximity, position and level sensing in

consumer home appliances, office equipment, smart home to

industrial applications. To support wide range of demanding

applications, the design has been optimized to operate over the

supply range of 3.0V to 28V. With chopper stabilized architecture and

an internal bandgap regulator to provide temperature compensated

supply for internal circuits, the AH3574 provides a reliable solution

over the whole operating range. For robustness and protection, the

device has a reverse blocking diode with a Zener clamp on the

supply. The output has an over current limit and a Zener clamp.

(TOP View)

3 OUTPUT

1 V_DD

GND 2

SOT23

(TOP View)

The single open drain output can be switched on with South or North

pole of sufficient strength. When the magnetic flux density (B)

3. OUTPUT

2. GND

V_DD

perpendicular to the package is larger than the operate point (B_OP

)

the output is switched on (pulled low) and is held on until magnetic

flux density B is lower than the release point (B_RP).

SIP-3 (Bulk Pack)

Features

Applications

•

Omnipolar Operation

High Sensitivity: B_OPand B_RPof ±40G and ±25G Typical

Single Open Drain Output with Over Current Limit

3.0V to 28V Operating Voltage Range

Chopper Stabilized Design Provides

•

Position and Proximity Sensing in Consumer Home Appliances,

Building Automation, Office Equipments and Industrial Applications

•

Open and Close Detect

Position Detect

•

Superior Temperature Stability

Minimal Switch Point Drift

Level Detect

Flow Meters

Enhanced Immunity to Stress

Contact-Less Switches

•

Good RF Noise Immunity

Reverse Blocking Diode

Zener Clamp on Supply and Output Pins

-40°C to +125°C Operating Temperature

ESD: HBM ＞ 6kV

Industry Standard SOT23 and SIP-3 (Ammo Pack), SIP-3 (Bulk

Pack) 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 13

www.diodes.com

January 2018

AH3574

Document number: DS40413 Rev. 1 - 2

12 3 4 5 6 7...13

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