集成霍尔传感器的特性测量及应用1.集成霍尔传感器灵敏度K随工作电压Vs变化的测量集成霍尔传感器灵敏度K随工作电压Vs变化的测量物理量VsU 0UKK/Vs单位VVVV/T/T12.52.4342.421-3.620(1.448)23.01.4651.52215.8715.29033.51.7161.79120.8835.96644.01.9702.06025.0596.26554.52.2242.32628.4006.31165.02.4742.58932.0206.40475.52.7242.85135.3616.42986.02.9783.11738.7026.45096.53.2273.37541.2086.340107.03.4813.64044.2716.324117.53.7293.90348.4486.460128.03.9784.15950.3976.30013&54.2304.42353.7386.322149.04.4754.68257.6366.404159.54.7284.94159.3076.2431610.04.9775.20262.6486.265备注：当 I_M=0.1A 时， 根 据 表 1. 算 得C=14.366mT/A. 当 I_M=250mA 时，根据上数据， 得 B=3.5915mT根据以上数据作图，得以下图像7.0006.0005.0004.0003.0002.0001.0000.000(1.000}(2.000}5.010.0T-集成霍尔传感器灵敏度K随工作电压化变化的测量15.0 Vs(V)集成霍尔传感器灵敏度K随工作电压冶变化的测量2.通过U与I_M的关系观测U_H随B变化关系U H随B变化关系物理量I M(mA)U(mV)15022.95210045.93315068.95420092.205250115.366300138.407350161.258400184.609450207.4010500230.50根据以上数据作右图。
3．测得实验数据如下表实验值B随位置关系变化x (cm)U (mV)B(mT)x (cm)U (mV)B(mT)-13.0059.631.861.00115.243.60-12.5074.602.332.00115.173.60-12.0086.512.703.00115.053.59-11.5095.612.994.00114.813.59—11.00101.353.175.00114.533.58—10.00108.223.386.00114.063.56—9.00111.103.477.00113.433.54—8.00112.783.528.00112.493.51—7.00113.843.569.00110.833.46—6.00114.343.5710.00107.733.36—5.00114.553.5811.00100.363.13—4.00114.583.5811.5093.752.93—3.00114.723.5812.0083.602.61—2.00114.823.5912.5067.282.10—1.00115.023.5913.0051.381.600.00115.133.60理论值表格如下：理论值B与位置的关系(I M=0.25A)x(cm)B(mT)x(cm)B(mT)—13.001.80831.003.5908—12.502.31532.003.5890—12.002.71583.003.5858—11.502.99084.003.5808—11.003.17135.003.5730—10.003.36956.003.5613—9.003.46407.003.5433—8.003.51438.003.5143—7.003.54339.003.4640—6.003.561310.003.3695—5.003.573011.003.1713—4.003.580811.502.9908—3.003.585812.002.7158—2.003.589012.502.3153—1.003.590813.001.80830.003.5915将两组数据作图对比如下：。