电流频率IF 转换电路产品测试数据及方法说明

第第1页共8页I/F转换电路产品测试数据及方法说明测试产品用仪器清单序号名 称生产厂家1可编程直流稳压电源2多功能校准仪3数字万用表4数字示波器工作条件序号名 称生产厂家1可编程直流稳压电源2多功能校准仪3数字万用表4数字示波器应用注意事项建议I/FI/F电流信号与I/F产品技术性能测试结果项目指标X路Y路Z路量程（mA）±40±40±40量化噪声（Pulse/s）±2±2±2标度因数（Pulse/s/mA）常温5782.915786.055786.26低温5781.935784.475785.04高温5782.405785.615785.57恒定偏频（Pulse/s）常温-289168.68-289356.03-289328.10低温-289175.47-289355.64-289331.34高温-289150.50-289344.01-289313.19标度因数非线性（±1mA~±40mA）（ppm）常温4.724.584.89低温2.914.752.54高温4.294.404.58小信号偏差（±0.010uA~±100uA）0.020.020.03注：电流流入时为正向；电流流出时为负向。温度系数X路Y路Z路标度因数SF0（Pulse/s/mA）5782.7735785.7615786.099标度因数一次温度系数b1（ppm/℃）1.983.412.44标度因数二次温度系数b2（ppm/℃2）-0.0415-0.0541-0.0536恒定偏频F0（Pulse/s）-289173.493-289358.078-289331.506恒定偏频一次温度系数a1（ppm/℃）0.5220.1190.320恒定偏频二次温度系数a2（ppm/℃2）0.008770.008230.00835TT0 1TT0 1

1bTbT2；0 10 1

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T2；测试说明：1220uA、2.2mA、22mA、220mA；2ABAB3、恒定偏频=正脉冲负脉冲；标度因数=正脉冲-负脉冲2 |Iin|4、标度因数非线性：由“测试详表”中最后一列数据的标准差除以1mA对应标度因数计算得到；5

正脉冲-负脉冲2

IinSF计算得到；、X常温：23℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283386.31-294952.13-289169.225782.915-260254.34-318083.36-289168.855782.9010-231340.10-346997.50-289168.805782.8715-202425.10-375912.70-289168.905782.9220-173510.13-404827.97-289169.055782.9525-144595.83-433740.83-289168.335782.9030-115679.63-462657.23-289168.435782.9635-86765.83-491570.93-289168.385782.9340-57852.67-520486.21-289169.445782.92低温：-40℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283395.41-294959.27-289177.345781.935-260268.13-318087.24-289177.685781.9110-231358.35-346996.39-289177.375781.9015-202448.39-375905.88-289177.135781.9220-173538.69-404815.50-289177.105781.9225-144626.48-433724.20-289175.345781.9530-115717.36-462633.89-289175.635781.9435-86808.55-491543.63-289176.095781.9340-57900.22-520452.97-289176.595781.91高温：70℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283368.11-294932.91-289150.515782.405-260238.96-318062.91-289150.935782.3910-231326.93-346974.70-289150.815782.3915-202414.87-375886.72-289150.795782.4020-173502.29-404799.49-289150.895782.4325-144587.99-433710.87-289149.435782.4630-115676.68-462622.75-289149.725782.4335-86765.78-491534.42-289150.105782.4140-57854.69-520445.51-289150.105782.39、Y常温：23℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283569.62-295141.72-289355.675786.055-260424.73-318285.80-289355.275786.1110-231494.00-347216.60-289355.305786.1315-202563.85-376146.85-289355.355786.1020-173632.66-405078.15-289355.415786.1425-144701.89-434007.89-289354.895786.1230-115772.20-462937.60-289354.905786.0935-86841.00-491868.70-289354.855786.1140-57912.93-520800.11-289356.525786.09低温：-40℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283570.69-295139.64-289355.165784.475-260433.54-318277.61-289355.575784.4110-231511.29-347199.17-289355.235784.3915-202588.97-376121.26-289355.125784.4120-173666.89-405043.47-289355.185784.4125-144743.16-433964.99-289354.085784.4430-115821.84-462887.14-289354.495784.4235-86900.97-491809.22-289355.095784.4040-57980.14-520730.44-289355.295784.38高温：70℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283557.96-295129.19-289343.585785.615-260416.06-318272.05-289344.055785.6010-231488.05-347199.96-289344.015785.6015-202560.01-376128.13-289344.075785.6020-173631.94-405056.80-289344.375785.6225-144702.26-433984.64-289343.455785.6530-115775.12-462912.22-289343.675785.6235-86848.57-491839.74-289344.165785.5940-57922.23-520766.69-289344.465785.56220uA、2.2mA、22mA、220mA。、Z常温：23℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283541.27-295113.79-289327.535786.265-260395.87-318258.35-289327.115786.2510-231464.50-347189.90-289327.205786.2715-202533.37-376121.17-289327.275786.2620-173601.54-405053.09-289327.325786.2925-144668.60-433985.10-289326.855786.3330-115737.90-462915.90-289326.905786.3035-86807.78-491845.98-289326.885786.2640-57878.85-520778.17-289328.515786.24低温：-40℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283545.84-295115.92-289330.885785.045-260406.07-318256.34-289331.215785.0310-231480.71-347180.90-289330.815785.0115-202555.14-376106.07-289330.615785.0320-173629.93-405031.35-289330.645785.0425-144703.01-433955.94-289329.475785.0630-115778.46-462881.29-289329.885785.0535-86854.17-491806.73-289330.455785.0440-57930.30-520731.76-289331.035785.02高温：70℃电流mA正电流脉冲(A-B)负电流脉冲(A-B)恒定偏频标度因数1-283527.28-295098.41-289312.855785.575-260385.65-318241.01-289313.335785.5410-231457.93-347168.46-289313.195785.5315-202530.20-376096.19-289313.205785.5320-173602.55-405024.67-289313.615785.5525-144673.35-433951.95-289312.655785.5730-115746.50-462879.47-289312.995785.5535-86820.33-491806.70-289313.525785.5240-57894.51-520733.37-289313.945785.49220uA、2.2mA、22mA、220mA。2.1、X路小信号偏差高温：70℃，标定因数:5782.40Pulse/s/mA电流uA正脉冲Pulse/s负脉冲Pulse/s恒定偏频Pulse/s偏差Pulse/s0.010-289150.30-289150.43-289150.360.010.100-289149.77-289150.93-289150.350.001.000-289144.53-289156.13-289150.330.0210-289092.53-289208.20-289150.360.01100-288572.06-289728.59-289150.330.02注：“多功能校准仪”的量程为220uA、Y高温：70℃，标定因数:5785.61Pulse/s/mA电流uA正脉冲Pulse/s负脉冲Pulse/s恒定偏频Pulse/s偏差Pulse/s0.010-289343.71-289343.82-289343.77-0.010.100-289343.20-289344.36-289343.780.011.000-289337.95-289349.55-289343.750.0110-289285.88-289401.61-289343.750.01100-288765.17-289922.33-289343.750.02注：“多功能校准仪”的量程为220uA、Z高温：70℃，标定因数:5785.5