A3250 Datasheet Chopper-stabilized Unipolar Hall-effect Switches

Manufacturer: Allegro MicroSystems

Overview: A3250 and A3251 Field-Programmable, Chopper-Stabilized Unipolar Hall-Effect.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number	A3250
Manufacturer	Allegro MicroSystems
File Size	300.20 KB
Description	Chopper-Stabilized Unipolar Hall-Effect Switches
Datasheet	A3250 A3250_Allegro Datasheet (PDF)

The A3250 and A3251 are field-programmable, chopperstabilized, unipolar Hall-effect switches designed for use in high-temperature applications.

These devices use a chopper-stabilization technique to eliminate offset inherent in single-element devices.

The A3250 and A3251 are externally programmable devices.

Chopper stabilization for stable switchpoints throughout operating temperature range.
Externally programmable operate point (through VCC pin).
On-board voltage regulator for 4.2 V to 24 V operation.
On-chip protection against: ▫ Supply transients ▫ Output short-circuits ▫ Reverse-battery condition.

Part Number	Description
A3251	Chopper-Stabilized Unipolar Hall-Effect Switches
A3209	ULTRA-SENSITIVE HALL-EFFECT SWITCHES
A3211	Micropower Ultrasensitive Hall-Ef?fect Switches
A3212	Micropower Ultrasensitive Hall-Ef?fect Switches
A3230	Chopper-Stabilized Hall-Effect Bipolar Switch
A3240	PRECISION HALL-EFFECT SWITCH
A3245	Chopper-Stabilized Omnipolar Hall-Effect Switches
A3260	2-Wire Chopper Stabilized Precision Hall Effect Bipolar Switch
A3282	Chopper-Stabilized Hall Effect Latch