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ATS19480

ALLEGRO
Part Number ATS19480
Manufacturer ALLEGRO
Description GMR Transmission Speed Sensor
Published Dec 10, 2023
Detailed Description ATS19480 Large Air Gap, GMR Transmission Speed Sensor IC for Gear Tooth Sensing FEATURES AND BENEFITS • Fully integrat...
Datasheet PDF File ATS19480 PDF File

ATS19480
ATS19480

Overview
ATS19480 Large Air Gap, GMR Transmission Speed Sensor IC for Gear Tooth Sensing FEATURES AND BENEFITS • Fully integrated solution has GMR IC, protection capacitor, and back-bias magnet in a single in-line overmolded package • Innovative GMR technology provides large operational air gap sensing on ferromagnetic targets • Advanced algorithms for flexible design-in and system compensation, automatically adapts to extreme mechanical changes (air gap) and thermal drifts • Measures differentially to reject common-mode stray magnetic fields • Orientation compatible with Hall-effect technology • Integrated ASIL diagnostics and certified safety design process (optional fault reporting) 2 - PACKAGE: Not to scale 3-pin SIP (suffix SN) DESCRIPTION The ATS19480 is a giant magnetoresistance (GMR) integrated circuit (IC) that provides a user-friendly two-wire solution for applications where speed information is required using ferromagnetic gear tooth targets.
The fully integrated package includes the GMR IC, a protection capacitor for EMC robustness, and a back-bias magnet in a single in-line package.
The GMR-based IC is designed for use with ferromagnetic gear tooth targets and is orientation-compatible with Hall-effect technology.
The fully integrated solution senses at large operating air gaps and over a large air gap range.
State-of-the-art GMR technology on a monolithic IC with industry-leading signal processing provides accurate speed information in response to low-level differential magnetic signals.
The differential sensing offers inherent rejection of interfering common-mode magnetic fields.
Integrated diagnostics are used to detect an IC failure that would impact output protocol accuracy, providing coverage compatible with ASIL B (assessment pending).
Built-in EEPROM scratch memory offers traceability of the device throughout the IC’s product lifecycle.
ASIL reporting can be enabled or disabled as a product offering depending on the applications’ needs.
The ATS19480...


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