A1157
Overview
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 devices are produced on theAllegro™ advanced BiCMOS wafer fabrication process, which implements a 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.
- AEC-Q100 automotive qualified
- 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 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 Continued on the next page… PACKAGES 3-pin SOT23-W 2 mm × 3 mm × 1 mm (suffix LH) 3-pin ultramini SIP 1.5 mm × 4 mm × 3 mm (suffix UA) 2-pin ultramini SIP 1.5 mm × 4 mm × 4 mm (suffix UB) Approximate footprint
