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A1143 - Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches

Download the A1143 datasheet PDF (A1140 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for sensitive two-wire chopper-stabilized unipolar hall effect switches.

Description

TheA1140, A1142, andA1143 devices are sensitive, two-wire, unipolar, Hall effect switches that are factory-programmed at end-of-line to optimize magnetic switchpoint accuracy.

Features

  • Chopper stabilization ▫ Low switchpoint drift over operating temperature range ▫ Low sensitivity to stress.
  • Factory programmed at end-of-line for optimized switchpoints.
  • On-chip protection ▫ Supply transient protection ▫ Reverse-battery protection ▫ On-board voltage regulator ▫ 3.5 to 24 V operation Packages: 3 pin SOT23W (suffix LH), and 3 pin SIP (suffix UA).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (A1140_AllegroMicroSystems.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number A1143
Manufacturer Allegro
File Size 328.70 KB
Description Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
Datasheet download datasheet A1143 Datasheet

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Full PDF Text Transcription

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A1140, A1142, and A1143 Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches Features and Benefits ▪ Chopper stabilization ▫ Low switchpoint drift over operating temperature range ▫ Low sensitivity to stress ▪ Factory programmed at end-of-line for optimized switchpoints ▪ On-chip protection ▫ Supply transient protection ▫ Reverse-battery protection ▫ On-board voltage regulator ▫ 3.5 to 24 V operation Packages: 3 pin SOT23W (suffix LH), and 3 pin SIP (suffix UA) Description TheA1140, A1142, andA1143 devices are sensitive, two-wire, unipolar, Hall effect switches that are factory-programmed at end-of-line to optimize magnetic switchpoint accuracy.
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