A1421 Datasheet - Allegro MicroSystems

A1421, High Precision Hall Effect AC-Coupled Differential Sensor

A1421, A1422, and A1423 High Precision Hall-Effect AC-Coupled Differential Sensor IC with Integrated Filter Capacitor .
The A1421, A1422, and A1423 are AC-coupled Hall-effect sensor ICs which include monolithic integrated circuits that switch in response to changing dif.

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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

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

Applications

* including automotive transmission and crankshaft speed sensing. The device package has an operating ambient temperature range
* 40°C to 150°C , and is provided in a 4-pin plastic SIP. Each package is available in a lead (Pb) free version (suffix,
* T) , with a 100% matte tin plated le

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A1421 High Precision Hall Effect AC-Coupled Differential Sensor Allegro MicroSystems

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