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A1225, A1227, and A1229
Hall-Effect Latch for High Temperature Operation
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 resist