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High-Accuracy Hall-Effect Transmission Speed Sensor IC for Ferrous Targets

ATS19420

SN Package Image

The ATS19420 provides precise speed sensing for ferrous targets, with integrated back-bias magnet, ASIL B compliance, and differential sensing for robust performance in automotive applications.

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  • Differential Hall-effect sensor measures ferrous targets with inherent stray field immunity
  • SolidSpeed Digital Architecture™ supports advanced algorithms, maintaining pitch and duty cycle accuracy during dynamic air gap disturbances
  • Integrated solution includes back-biased magnet and capacitor in a single overmolded package
  • ISO 26262:2011 ASIL B with integrated diagnostics and certified safety design process (pending assessment)
  • Two-wire current source output protocol supporting speed and ASIL error reporting
  • EEPROM enables factory traceability throughout product life cycle

The ATS19420 is provided in a 3-pin SIP package (suffix SN) that is lead (Pb) free, with tin leadframe plating.

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Fundamental Properties of Speed Sensors
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