Datasheet Details
- Part number
- A1421
- Manufacturer
- Allegro MicroSystems
- File Size
- 1.15 MB
- Datasheet
- A1421_AllegroMicroSystems.pdf
- Description
- High Precision Hall Effect AC-Coupled Differential Sensor
A1421 Description
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.
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 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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