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A1227 Datasheet PDF

Allegro MicroSystems A1227

The A1225LUA-T package option is in production, however, it has been deemed Pre-End of Life. The product is approaching end of life.
  • Min Voltage : 3.8V
  • Max Voltage : 24V
  • Max Operating Temp : 150°C
  • Min Operating Temp : -40°C
Source: Octopart
Part No. A1227
Datasheet A1227 Download
Manufacturer
Allegro MicroSystems
Description Hall-Effect Latch
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A1227 datasheet page 1 preview

FEATURES AND BENEFITS

● Symmetrical switchpoints
● Superior temperature stability
● Operation from unregulated supply
● Open-drain 25 mA output
● Reverse battery protection
● Activate with small, commercially available permanent magnets
● Solid-state reliability
● Small size
● Resistant to physical stress
● Enhanced ESD structures result in 8 kV HBM ESD performance without external protection components
● Internal protection circuits enable 40 V load dump compliance without external protection components PACKAGES: Not to scale 3-pin SOT23W (suffix LH) 3-pin SIP, matrix HD style (suffix UA) 3-pin SIP, chopper style (suffix UA)

DESCRIPTION

These Hall-effect latches are extremely temperature-stable and stress resistant sensor ICs especially suited for operation over extended temperature ranges to 150°C. Superior hightemperature performance is made possible through a novel Schmitt trigger circuit that maintains operate and release point symmetry by compensating for temperature changes in t...
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