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Description

The A1244 is a two-wire Hall-effect latch. The devices are produced on the Allegro?advanced BiCMOS wafer fabrication process, which implements a patented high frequency, 4-phase, chopper-stabilization technique. This technique achieves magnetic stability over the full operating temperature range, and eliminates offsets inherent in devices with a single Hall element that are exposed to harsh application environments.

Features and Benefits

?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

?On-board voltage regulator

?3.0 to 24 V operation

?Solid-state reliability

?Robust EMC and ESD performance

?Industry leading ISO 7637-2 performance through use of proprietary, 40-V clamping structures