A1334: Precision Hall-Effect Angle Sensor IC (Discontinued)

A1334: Precision Hall-Effect Angle Sensor IC (Discontinued)

A1334

This part is in production but has been determined to be LAST TIME BUY. This classification indicates that the product is obsolete and notice has been given. Sale of this device is currently restricted to existing customer applications. The device should not be purchased for new design applications because of obsolescence in the near future. Samples are no longer available. Date of status change: July 2, 2018. Deadline for receipt of LAST TIME BUY orders: December 1, 2018.

Product Details

Top Features

  • Contactless 0° to 360° angle sensor IC, for angular position, rotational speed, and direction measurement
  • Available with either a single die or dual independent die housed within a single package
  • Circular Vertical Hall (CVH) technology provides a single-channel sensor system, with air-gap independence
  • 12-bit resolution possible in low RPM mode, 10-bit resolution in high RPM mode
  • Angle Refresh Rate (output rate) configurable between 25 and 3200 µs through EEPROM programming
  • Capable of sensing magnet rotational speeds in excess of 7600 rpm
  • SPI interface allows use of multiple independent sensors for applications requiring redundancy
  • EEPROM programmable angle reference (0°) position and rotation direction (CW or CCW)
  • Absolute maximum VCC of 26.5 V for automotive battery-powered applications

Part Number Specifications and Availability

 A1332 and A1334 Angle Sensor IC Product Overview

Allegro’s family of contactless Hall magnetic high resolution 360° angle sensor ICs are designed for safety critical automotive and industrial applications. With their system-on-chip (SoC) architectures, they provide fast output refresh rates and low signal path latency. They are ideal for applications requiring high speed and accurate 0° to 360° angle measurements. Watch this video to learn more.

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