INTEGRATED CIRCUITS DIVISION
DS-MX887D-R01
www.ixysic.com
1
e3
Pb
Features
" mPower Operation (15 mW typical at 25?/SPAN>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?/SPAN>C to +85?/SPAN>C
" RoHS Compliant TSOT23 3-Lead Package
Applications
" Handheld Portable Devices
" White Goods
" Automotive - Body Systems
" Security Systems
" High Reliability Reed Switch Replacement
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 5mA at V
SUPPLY
 = 3V
DC
.
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.
Ordering Information
Figure 1. Functional Block Diagram
Part
Description
MX887DHTTR
TSOT23 3L Tape & Reel (3000/Reel)
Hall
Sensor
V
SUPPLY
Output
Power Management Logic
1
2
3
MX887D
mPower Hall-Effect Switch
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