Micropower Ultrasensitive 3D Hall-Effect Switch with Omnipolar Actuation

A1266

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The A1266 offers 3D omnipolar magnetic actuation, detecting magnetic fields in any orientation. Its low power consumption and ultrasensitive operation make it ideal for battery-powered applications.

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Top Features

Packaging

  • True 3D sensing
  • Omnipolar operation with either north or south pole
  • 2.5 to 5.5 V operation
  • Low supply current
  • High sensitivity, BOP typically 25 G
  • Chopper-stabilized offset cancellation
    • Superior temperature stability
    • Extremely low switchpoint drift
    • Insensitive to physical stress
  • Solid-state reliability
  • Choice of output format
    • Separate X, Y, and Z outputs
    • Combined (X+Y+Z) output
  • Tiny SOT-23 packages

The small geometries of the BiCMOS process allow for ultrasmall packages suitable for even space-constrained applications. In this case, a modified SOT23-W surface-mount package is available in a 3-pin (combined output) or a 5-pin (separate outputs) configuration, magnetically optimized for use in a variety of orientations. The packages are lead (Pb) free and RoHS-compliant, with 100% matte-tin leadframe plating.

W Package Documentation

Part Number Specifications and Availability