MX887D 查看數據表（PDF） - Unspecified

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MX887D

uPower Hall-Effect Switch

Unspecified 

Features

• μPower Operation (15 μW typical at 25°C)

• Omnipolar (switches with N or S pole)

• 2.5V to 5.5V Operation

• Simple Digital Open-Drain Output

• Ultra Low Offset Canceling Amplifiers Provide

Sensitive, Accurate, Stable Switching Points and

Immunity to Mechanical Stress

• Solid State Reliability

• Operating Temperature Range: -40°C to +85°C

• RoHS Compliant TSOT-23 3-Lead Package

Applications

• Handheld Portable Devices

• White Goods

• Automotive - Body Systems

• Security Systems

• High Reliability Reed Switch Replacement

MX887D

μPower Hall-Effect Switch

Description

The MX887D integrated Hall-Effect switch targets the

requirements of low-power portable devices with

battery operating voltages from 2.5V to 5.5V. On-chip

power management circuitry reduces the effective

average current to just 5μA at VSUPPLY = 3VDC .

The switch output will turn “on” when either a north or

south magnetic pole is applied. The absence of a

magnetic field will set the switch into the

high-impedance “off” state. Emulating the behavior of

a traditional reed switch, together with the advantages

of high integration and solid state reliability, makes the

MX887D an ideal replacement in low-power portable

device applications.

Pb

RoHS

2002/95/EC

e3

Figure 1. Functional Block Diagram

Ordering Information

Part

MX887DHTTR

Description

TSOT-23 3L Tape & Reel (3000/Reel)

VSUPPLY

1

Power Management Logic

Hall

Sensor

Output 2

3

DS-MX887D - August 10, 2009

www.clare.com

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