Large Air Gap, Vibration-Immune, GMR Transmission Speed and Direction Sensor IC
A19570
This part is in production but has been determined to be LAST TIME BUY. The A19570 is a GMR IC for transmission applications, offering high performance at larger air gaps and flexible device orientations via a two-wire interface. It senses speed and direction of ring magnets, features advanced algorithms for vibration/DAG/SAG, improved EMC, true zero speed operation, and built-in EEPROM scratch memory.
Product Details
Product Details
Top Features
- GMR technology integrates high sensitivity MR (magnetoresistive) sensor elements and high precision BiCMOS circuits on a single silicon integrated circuit offering high accuracy, low magnetic field operation
- Integrated capacitor in a single overmolded miniature package provides greater EMC robustness
- SolidSpeed Digital Architecture supports advanced algorithms, maintaining performance in the presence of extreme system-level disturbances, including vibration immunity capability over the full target pitch
- Flexible orientation for xMR or Hall replacement and application installation flexibility
- Two-wire current source output pulse-width protocol supporting speed and direction
- EEPROM offers device traceability throughout the production process
Part Number Specifications and Availability
Seth Prentice, Strategic Marketing Manager for Allegro MicroSystems Speed Sensor IC group, discusses IC solutions for designing speed sensing applications including automotive transmissions, washing machine drum speeds, and fork lift positioning requiring reliable consistent output signals.
Allegro’s Speed Sensor ICs have been designed to simplify and ensure the performance and reliability of your system’s design.