mx887d Clare, Inc., mx887d Datasheet

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mx887d

Manufacturer Part Number
mx887d
Description
?power Hall-effect Switch
Manufacturer
Clare, Inc.
Datasheet
MX887D
Drawing No. 088710
Features:
• µPower Operation (15 µW typical at 25°C)
• Omni polar (switches with N or S pole)
• 2.5 to 5.5 Volt Operation
• Simple Digital Output Interfacing
• Ultra Low Offset Canceling Amplifiers Provide
• Solid State Circuitry
• Operating Temperature Range: -40°C to +85°C
• RoHS Compliant TSOT-23 3 Lead Package
Ordering Information
Part No.
MX887DHTTR TSOT-23 3L Tape & Reel 3000
Open Drain
Sensitive, Accurate, Stable Switching Points
and Immunity to Mechanical Stress
IXYS
Description
Sensor
Hall
Power Management Logic
Functional Block Diagram
Qty
1
General 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 3.0 V
The switch output will turn “on” when either a north
or south magnetic pole is applied. The absence of a
magnetic field will turn the switch into a 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 is an ideal replacement in low-power
portable device applications.
Applications:
• Handheld Portable Devices
• White Goods
• Automotive - Body Systems
• Security Systems
• High Reliability Reed Switch Replacement
Vsupply
µPower Hall-Effect Switch
www.claremicronix.com
Output
Ground
MX887D
SUPPLY
7/19/07
.

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mx887d Summary of contents

Page 1

... Emulating the behavior of a traditional reed switch, together with the advantages of high integration and solid state reliability, makes the MX887D is an ideal replacement in low-power portable device applications. Applications: • Handheld Portable Devices • ...

Page 2

... Ground Circuit Description The MX887D µPower Hall-Effect Switch consists of a Hall element, small signal amplifier, latch, and n- channel open drain MOSFET driver. Offset cancellation rejects errors in signal stages and the influence of mechanical stress on the Hall element. This technique together with a precision threshold generator and comparator produce highly accurate magnetic switch points ...

Page 3

... Except as set forth in IXYS’ Standard Terms and Conditions of Sale, IXYS Corporation assumes no liability whatsoever, and disclaims any expressed or implied warranty, relating to its products including, but not limited to, the implied warranty of merchantability, fitness for a particular purpose, or infringement of any intellectual property right . MX887D Drawing No. 088710 3 IXYS 7/19/07 ...

Page 4

... The products described in this document are not intended for use in medical implantation or other direct life support applications where malfunction may result in direct physical harm, injury or death to a person. Specification: MX887D ©Copyright 2007, IXYS Corporation All rights reserved. Printed in USA. 4 7/19/07 www ...

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