Datasheet > AS443

AS443

更新时间： 2024-09-21 05:34:47

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
4页	96K
描述
特性条件最小值典型值最大值单位电源电压 - 3.8 - 28.0 伏电源电流 - ¬ 4.2 10.0 毫安输出电流 - - 50.0 毫安饱和压降(20mA 负载) Gauss>170 - - 0.2 伏输出漏电 Guass<-170 - - 1.0 微安上升时间 Vs=4.5V ¬ 0.5 1.5 微秒下降时间 Vs=4.5V ¬ 0.2 1.5 微秒工作点(Bop) - - 8(80)毫特斯拉(高斯) 释放点(Brp) - 5(50)毫特斯拉(高斯) 回差 - 2.5(25) - - 毫特斯拉(高斯) 工作温度 -40°C to 150°C[-40°F to 302°F] 焊接温度 -40°C to 150°C[-40°F to 302°F]

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AS443 数据手册

AS443

Enhanced Unipolar Hall-Effect Sensor

FEATURES

GENERAL DESCRIPTION

Miniature construction: 3.0 mm x 4.0 mm [0.12

The AS443 Enhanced Unipolar Hall-Effect sensors

are small, versatile digital Hall-effect devices that are

operated by the magnetic field from a permanent

magnet or an electromagnet, and are designed to

respond to south poles.

in x 0.16 in] plastic package

Operating Voltage: 3.8V to 28V

Power consumption of only 5 mA max at 4.5

Vdc for energy efficiency

Unipolar magnetic for single magnet

applications

A built-in regulator provides enhanced stability of

operation over 3.8Vdc to 28 Vdc supply voltage

range, and internal circuitry is designed to prevent

sensor damage in case the supply voltage polarity is

accidentally reversed.

High speed: operates from 0 kHz to over 100

kHz

Broad temperature range of -40 °C to 150 °C

[-40 °F to 302 °F]

Built-in reverse polarity protection

The device includes an on-chip hall voltage

generator for magnetic sensing, a comparator that

amplifiers the hall voltage, and a Schmitt to provide

switching hysteresis for noise rejection, and

open-collector output.

POTENTIAL APPLICATIONS

Speed and RPM (revolutions per minute)

sensing

Brushless dc (direct current) motor commutation

Motor and fan control

The AS443 is factory tested at 25 °C [77 °F]

Tachometer, counter pickup

Flow-rate sensing

PIN CONFIGURATION

SYMBOL

Vs(+)

FUNCTION

Supply Voltage

Ground

Ground(-)

Output(O)

Open Collector Output

AS443 Rev1.0

10/25/2008

www.anisem.com

ANISEM Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4

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