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A1421 Datasheet - Allegro MicroSystems

A1421 - High Precision Hall Effect AC-Coupled Differential Sensor

The A1421, A1422, and A1423 are AC-coupled Hall-effect sensor ICs which include monolithic integrated circuits that switch in response to changing differential magnetic fields created by rotating ring magnets or, when coupled with a magnet, by ferrous targets.

This family of devices also includes an

A1421 Features

* Integrated tracking capacitor

* Used for sensing motion of ring magnet or ferrous targets

* Wide operating temperature range

* Operation with magnetic input signal frequency from 20 Hz to 30 kHz

* EMI/ESD-resistant

* Large effective air gaps

A1421_AllegroMicroSystems.pdf

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Datasheet Details

Part number:

A1421

Manufacturer:

Allegro MicroSystems

File Size:

1.15 MB

Description:

High precision hall effect ac-coupled differential sensor.

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