A1155LLHLX-T Datasheet PDF - Allegro MicroSystems

●Description

●The A1150, A1152, A1153, A1155, A1156, A1157, and A1158 comprise a family of two-wire, unipolar, Hall-effect switches, which are factory-trimmed to optimize magnetic switchpoint accuracy. These 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