ATS682: Miniature, Two-Wire, True Zero Speed Differential Peak-Detecting Sensor IC

The ATS682LSH is a Hall-effect integrated circuit and rare earth pellet combination that provides a user-friendly solution for true zero-speed digital gear-tooth sensing in two-wire applications. This small package, with an optimized two-wire leadframe, can be easily assembled and used in conjunction with a wide variety of gear shapes and sizes.

The integrated circuit incorporates a dual-element Hall-effect circuit and signal processing that switches in response to differential magnetic signals created by ferrous gear teeth. The circuitry contains a sophisticated digital circuit that reduces magnet and system offsets, calibrates the gain for air gap independent switchpoints and provides true zero-speed operation.

Signal optimization occurs at power-up through the adjustment of offset and gain and is and is maintained throughout operation with the use of a running-mode calibration scheme. Runningmode calibration provides immunity from environmental effects such as micro-oscillations of the sensed target or sudden air gap changes.

The regulated current output is configured for two-wire interface circuitry and is ideally suited for obtaining speed information in wheel speed applications. The Hall element spacing is optimized for high resolution, small diameter targets. The package is lead (Pb) free, with 100% matte tin lead frame plating.

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Digi-Key Corporation (Distributor, Allegro & Sanken Products)
701 Brooks Avenue South
Thief River Falls, MN 56701
United States
Phone: 800-344-4539 or 218-681-6674
Fax: 218-681-3380
Web: www.digikey.com
Email: webmaster@digikey.com

Digi-Key Corporation (Distributor, Allegro & Sanken Products)
701 Brooks Avenue South
Thief River Falls, MN 56701
United States
Phone: 800-344-4539 or 218-681-6674
Fax: 218-681-3380
Web: www.digikey.com
Email: webmaster@digikey.com

Digi-Key Corporation (Distributor, Allegro & Sanken Products)
701 Brooks Avenue South
Thief River Falls, MN 56701
United States
Phone: 800-344-4539 or 218-681-6674
Fax: 218-681-3380
Web: www.digikey.com
Email: webmaster@digikey.com

Digi-Key Corporation (Distributor, Allegro & Sanken Products)
701 Brooks Avenue South
Thief River Falls, MN 56701
United States
Phone: 800-344-4539 or 218-681-6674
Fax: 218-681-3380
Web: www.digikey.com
Email: webmaster@digikey.com

Digi-Key Corporation (Distributor, Allegro & Sanken Products)
701 Brooks Avenue South
Thief River Falls, MN 56701
United States
Phone: 800-344-4539 or 218-681-6674
Fax: 218-681-3380
Web: www.digikey.com
Email: webmaster@digikey.com

Digi-Key Corporation (Distributor, Allegro & Sanken Products)
701 Brooks Avenue South
Thief River Falls, MN 56701
United States
Phone: 800-344-4539 or 218-681-6674
Fax: 218-681-3380
Web: www.digikey.com
Email: webmaster@digikey.com

If this is not your local representative, find your local sales rep here.

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  • Features and BenefitsFeatures and Benefits
  • PackagingPackaging
  • Technical DocsTechnical Docs
  • NewsNews
  • True zero-speed operation
  • Automatic Gain Control (AGC) for air gap independent switchpoints
  • Automatic Offset Adjustment (AOA) for signal processing optimization
  • Running-mode calibration for continuous optimization
  • Precise duty cycle over operating temperature range
  • Internal current regulator for two-wire operation
  • Undervoltage lockout
  • On-chip voltage regulator with wide operating voltage range and stability in the presence of a variety of complex load impedances
  • Single chip IC for high reliability

The ATS682 is supplied in a 4-pin SIP (suffix SH) package. The package is lead (Pb) free, with 100% matte tin lead frame plating.

SH SIP 4 pin

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Product Image Functional Block Diagram

Part Number Specifications and Availability

Part Number Package Type Temperature RoHS
Compliant
Part Composition /
RoHS Data
Comments Samples Check
Distributor Stock
ATS682LSHTN-T 4-lead SIP -40°C to 150°C Yes View Data Contact your
local sales rep
Check stock

Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of Allegro’s product can reasonably be expected to cause bodily harm.

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