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US1881   Hall Latch – High Sensitivity

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The Melexis US1881 is a Hall-effect latch designed in mixed signal CMOS technology. The device integrates a voltage regulator, Hall sensor with dynamic offset cancellation system, Schmitt trigger and an open-drain output driver, all
in a single package.

Thanks to its wide operating voltage range and extended choice of temperature range, it is quite suitable for use in automotive, industrial and consumer applications.

The device is delivered in a Thin Small Outline Transistor (TSOT) for surface mount process and in a Plastic Single In Line (TO-92 flat) for through-hole mount.
Both 3-lead packages are RoHS compliant.
 

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Features and Benefits

  • Wide operating voltage range from 3.5V to 24V
  • High magnetic sensitivity – Multi-purpose
  • CMOS technology
  • Chopper-stabilized amplifier stage
  • Low current consumption
  • Open drain output
  • Thin SOT23 3L and flat TO-92 3L both RoHS Compliant packages
  • SE package North Pole Active
  • UA package South Pole Active

Product Applications

Speed sensing
Brushless DC Fan Commutation
Switches
Motion Sensor
Magnetic Interrupt Switch
Flow Meter


Assets

Application Note
File Type
Size
Revision
Date
Action
Hall Applications Guide
PDF
498.0 KB
10/25/2005
edit
Soldering Application Note and Recommendations
PDF
137.7 KB
2
7/18/2008
edit
 
DataSheet
File Type
Size
Revision
Date
Action
US1881 DataSheet
PDF
500.3 KB
015
3/8/2006
edit
 
How It Works
File Type
Size
Revision
Date
Action
The Hall Effect Latch
SWF
14.9 KB
002b
2/23/2007
edit
Virtual Hall Effect Demoboard
SWF
164.0 KB
12/9/2002
edit
What is the Hall Effect?
SWF
16.8 KB
1
3/15/2007
edit
 
Reference
File Type
Size
Revision
Date
Action
Hall Effect Latch and Switch Quick Reference
PDF
710.5 KB
002
4/25/2007
edit
Lead Free (Green Packaging) FAQ
PDF
26.7 KB
10/27/2005
edit
Melexis Lead Free Statement
PDF
19.1 KB
6/14/2005
edit
 
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