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Programmable, Chopper-Stabilized, Two-Wire Hall-Effect Switches

A1190, A1192, A1193

A119x Product Image

The A119x and A119x-F families offer programmable switchpoint accuracy for optimized performance in specific applications. Chopper stabilization ensures temperature stability, while the -F option adds temperature compensation for use with ferrite magnets.

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Top Features

Packaging

  • Choice of factory-set temperature coefficient (TC) for use with ferrite or rare-earth magnets
  • Field programmable for optimized switchpoints
  • AEC-Q100 automotive qualified
    • On-board voltage regulator: 3 to 24 V operation
  • High-speed, 4-phase chopper stabilization
    • Low switchpoint drift throughout temperature range
    • Low sensitivity to thermal and mechanical stresses
  • On-chip protection
    • Supply transient protection
    • Reverse-battery protection
    • Industry-leading ISO 7637-2 performance through use of proprietary, 40 V clamping structure
  • Solid-state reliability
  • Robust EMC and ESD performance
  • UB package with integrated 0.1 μF bypass capacitor

All family members are offered in three package styles. The LH is a SOT-23W style, miniature, low-profile package for surfacemount applications. The UA is a 3-pin, ultra-mini, single inline package (SIP) for through-hole mounting. The UB is a 2-pin single inline package (SIP) for through-hole mounting that integrates the power supply decoupling capacitor. All three packages are lead (Pb) free, with 100% matte-tin leadframe plating.

3-pin SOT23-W 2 mm x 3 mm x 1 mm (suffix LH)

LH Package Documentation

 

3-pin ultramini SIP 1.5 mm x 4 mm x 3 mm (suffix UA)

UA Package Documentation

 

2-pin ultramini SIP 1.5 mm x 4 mm x 4 mm (suffix UB)

UB Package Documentation

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
Document Type Document Name
Application Note
Allegro Microsystems - Chemical Exposure of Devices
Application Note
Handling, Storage, and Shelf Life of Semiconductor Devices
Application Note
Guidelines for Using Allegro Angular Sensors
Application Note
Allegro Hall-Effect Sensor ICs
Application Note
Vehicle Safety Systems
Guide
Guidelines for Designing Subassemblies Using Hall-Effect Devices
Guide
Hall-Effect IC Applications Guide
Technical Article
Soldering Methods for Allegro Products (SMD and Through-Hole)