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A1469 Datasheet (PDF) - Allegro MicroSystems

A1469 Datasheet PDF - Allegro MicroSystems
Part # A1469
Download  A1469 Download

File Size   881.18 Kbytes
Page   15 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Three-Wire True Zero-Speed Differential Peak-Detecting Sensor IC with Continuous Calibration

A1469 Datasheet (PDF)

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A1469 Datasheet PDF - Allegro MicroSystems

Part # A1469
Download  A1469 Click to download

File Size   881.18 Kbytes
Page   15 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Three-Wire True Zero-Speed Differential Peak-Detecting Sensor IC with Continuous Calibration

A1469 Datasheet (HTML) - Allegro MicroSystems

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A1469 Product details

DESCRIPTION
The A1469 is an optimized Hall effect sensing IC that provides a user-friendly solution for digital ring-magnet sensing, or when coupled with a magnet, ferromagnetic target sensing, in three-wire applications. The small device package can be easily assembled into applications for use in conjunction with a wide variety of target shapes and sizes.
The integrated circuit incorporates dual Hall effect elements with a 2.2 mm spacing and signal processing that switches in response to differential magnetic signals created by ringmagnet poles. The circuitry contains a sophisticated digital circuit to reduce system offsets, to calibrate the gain for airgap–independent switchpoints, and to achieve true zero-speed operation. Signal optimization occurs at power-on through the combination of offset and gain adjust, and is maintained throughout the operating time with the use of a running-mode calibration. The running-mode calibration provides immunity to environmental effects such as micro-oscillations of the target or sudden air gap changes.
The device is ideally suited to obtaining speed and duty cycle information in ring-magnet–based speed, position, and timing applications, such as in speedometers.
The A1469 is available in a 4-pin SIP (suffix K) package. The package is lead (Pb) free, with 100% matte tin leadframe plating.

FEATURES AND BENEFITS
• Unique design for robustness against high power EMC transients
• Peak detection based switching algorithm for large operating air gaps
• Minimum differential field 20 Gpk-pk
• Running mode calibration for continuous optimization
• Precise duty cycle signal throughout operating temperature range
• Automatic Gain Control (AGC) for air-gap–independent switchpoints
• Automatic Offset Adjustment (AOA) for signal processing optimization
• True zero-speed operation
• Scan and IDDQ for increased test coverage



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About Allegro MicroSystems


Allegro MicroSystems is a semiconductor company that designs, manufactures, and markets high-performance power and sensing solutions. The company was founded in 1990 and is headquartered in Manchester, New Hampshire, USA.

Allegro MicroSystems' product portfolio includes Hall-effect sensors, power ICs, motor drivers, and magnetic digital position sensors. These products are used in a wide range of applications, including automotive, industrial, and consumer electronics.

Allegro MicroSystems is known for its expertise in magnetic sensing technology, which is used in many of its products. The company's products are designed to meet the highest standards of performance and reliability, and are manufactured using the latest technology and materials. Allegro MicroSystems also offers custom design and engineering services to meet the specific needs of its customers.

Allegro MicroSystems has a global presence, with sales offices and representatives located around the world. The company is dedicated to delivering innovative and reliable power and sensing solutions that meet the evolving needs of the electronics industry. In 2021, Allegro MicroSystems went public through an initial public offering (IPO) on the NASDAQ stock exchange.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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