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A1143

Part Number	A1143
Manufacturer	Allegro
Description	Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
Published	Feb 11, 2019
Detailed Description	A1140, A1142, and A1143 Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches Features and Benefits ▪ Cho...
Datasheet	A1143 PDF File

Overview

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.
These devices use a high freq...

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