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Hall sensor A3144EUA
[47034]
CHF 2.39

Stock: 189

The A3144 is an integrated Hall effect latched sensor. What does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sensor also works nicely, but can be limited by the glass encapsulation and size. A hall effect sensor is much smaller, but can handle less current than a reed switch.

The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.

If a magnetic flux density larger than threshold Bop, DO is turned on (low). The output state is held until a magnetic flux density reversal falls below Brp causing DO to be turned off (high).

Features:

  • Superior Temp. Stability for Automotive or Industrial Applications
  • 4.5 V to 24 V Operation Needs Only An Unregulated Supply
  • Open-Collector 25 mA Output Compatible with Digital Logic
  • Reverse Battery Protection
  • Activate with Small, Commercially Available Permanent Magnets
  • Solid-State Reliability
  • Small Size
  • Resistant to Physical Stress

For more information, please visit this products webpage.
This product was added to our catalog on Monday 10 October, 2011.
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