ArticleSensors (Basel, Switzerland)2026
A High-Precision Fully Integrated Hall-Effect Angle Sensor with 0.087° Noise Floor in 0.35 μm CMOS Technology.
Article in Sensors (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Hall-effect sensors are pervasive in magnetic-field measurement applications, including current sensing and position detection, owing to their excellent compatibility with standard CMOS processes. However, the inherent offset and temperature drift of silicon-based Hall elements remain a paramount obstacle to achieve high precision. This paper presents a fully integrated angle sensor chip that addresses this challenge. Implemented in a 0.35 μm CMOS process, the sensor incorporates four cross-shaped Hall elements arranged in an orthogonal array as a non-contact Hall-permanent magnet configuration, which enables absolute angular encoding across a full 0-360° range. Experimental characterisation demonstrates a low noise floor of 0.087° (3σ), validating the effectiveness of the proposed architecture for high-accuracy angular measurement.
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