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8-Bit to 12.5-Bit, 3μs Low-Latency Contactless Angle Sensor

15/10/2021

The MA734 is a MagAlpha digital angle sensor that detects the absolute angular position of a permanent magnet (typically a diametrically magnetized cylinder on a rotating shaft). Fast data acquisition and processing provide accurate angle measurements, from static angle measurements to high-speed rotation. The digital filtering is adjustable to optimize control loop performance when used in servo motor applications.

This sensor supports a wide range of magnetic field strengths and spatial configurations. Both end-of-shaft and side-shaft (off-axis mounting) configurations are supported. The MA734 detects the strength of the magnetic field, and includes configurable thresholds that can be used for push-button human-machine interface (HMI) applications, or for diagnostic purposes.

Main Features

  • Configurable 8-Bit to 12.5-Bit Resolution Absolute Angle Encoder
  • 3μs of Latency at Constant Rotation Speed
  • Serial Peripheral Interface (SPI) for Digital Angle Readout and Chip Configuration
  • Configurable Magnetic Field Strength Detection for Diagnostic Checks
  • NVM Read/Write Command Extends Memory Life
  • 3.3V, 11mA Supply Current
  • -40°C to +125°C Operating Temperature
  • 0rpm to 60,000rpm Rotation
  • Interrupt Out when Angle Change Is Detected
  • Available in a QFN-16 (3mmx3mm) Package
Documents Tech question
MPS ma734 angle sensor

8-Bit to 12.5-Bit, 3μs Low-Latency Contactless Angle Sensor

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Documents

  • MPS MA734 GQ Z Datasheet
Pexels thisisengineering 3913017

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