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Low-noise low-Offset current-mode Hall sensors

机译:低噪声低偏移电流模式霍尔传感器

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摘要

The performances of a current-mode Hall sensor featuring output current signals are discussed. The current-mode approach is analyzed by applying for first time to our best knowledge the spinning current technique to Hall plate working in current-mode to eliminate offset and 1/f noise. Among different geometries that have been studied and simulated using COMSOL MultiphysicsTM, cross-shaped model displayed the lowest noise and residual offset and the best sensitivity. The COMSOL results determined a behavioral model implemented in Verilog-A for simulations in the Cadence environment. Simulations results achieved in COMSOL and in Cadence environment show the potentiality, thus demonstrating the effectiveness of the approach, for a possible use of the device with remarkable performances.
机译:讨论了具有输出电流信号的电流模式霍尔传感器的性能。通过首次申请我们最佳知识将纺丝电流技术应用于电流模式的霍尔板来分析电流模式方法,以消除偏移和1 / f噪声。在使用COMSOL Multiphysics TM 进行研究和模拟的不同几何形状中,横形模型显示出最低的噪声和剩余偏移以及最佳灵敏度。 COMSOL结果确定了在Verilog-A中实现的行为模型,用于在节奏环境中的模拟。仿真在COMSOL和Cadence环境中实现的结果表明潜在,从而展示了这种方法的有效性,以便使用具有显着性能的装置。

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