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ADE9078 数据表(PDF) 13 Page - Analog Devices |
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ADE9078 数据表(HTML) 13 Page - Analog Devices |
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13 / 108 page ![]() ADE9078 Data Sheet Rev. 0 | Page 12 of 107 TYPICAL PERFORMANCE CHARACTERISTICS TOTAL ENERGY LINEARITY OVER SUPPLY AND TEMPERATURE Sinusoidal voltage with an amplitude of 50% of full scale and a frequency of 50 Hz; sinusoidal current with variable amplitudes from 100% of full scale down to 0.005% or 0.02% of full scale and with a frequency of 50 Hz; integrator off. –0.5 –0.3 –0.1 0 0.1 0.3 0.5 0.001 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) TA = –40°C TA = +25°C TA = +85°C Figure 4. Total Active Energy Error as a Percentage of Reading over Temperature, PF = 1 0.001 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) TA = –40°C TA = +25°C TA = +85°C Figure 5. Total Reactive Energy Error as a Percentage of Reading over Temperature, PF = 0 –0.5 –0.3 –0.1 0 0.1 0.3 0.5 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) TA = –40°C TA = +25°C TA = +85°C Figure 6. Total Apparent Energy Error as a Percentage of Reading over Temperature, PF = 1 –0.5 –0.3 –0.1 0.1 0 0.3 0.5 0.001 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) TA = 25°C 2.7V 2.97V 3.3V 3.63V Figure 7. Total Active Energy Error as a Percentage of Reading over Supply Voltage, PF = 1, TA = 25°C –0.5 –0.3 –0.1 0 0.1 0.3 0.5 0.001 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) TA = 25°C 2.7V 2.97V 3.3V 3.63V Figure 8. Total Reactive Energy Error as a Percentage of Reading over Supply Voltage, PF = 0, TA = 25° –0.5 –0.3 –0.1 0 0.1 0.3 0.5 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) TA = 25°C 2.7V 2.97V 3.3V 3.63V Figure 9. Total Apparent Energy Error as a Percentage of Reading over Supply Voltage, PF = 1, TA = 25° |
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