The MA734 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 measurement to high-speed rotation. The digital filtering is adjustable to optimize control loop performance when used in servo applications.
The MA734 supports a wide range of magnetic field strengths and spatial configurations. Both end-of-shaft and off-axis (side-shaft mounting) configurations are supported. The MA734 detects the strength of the magnetic field and includes programmable thresholds that can be used for push-button HMI applications or for diagnostic purposes.
On-chip, non-volatile memory provides storage for configuration parameters, such as the reference zero angle and magnetic field detection thresholds. It is also possible to program the MA734 with volatile registers without accessing the non-volatile memory.
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