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ADE7880 データシート(PDF) 14 Page - Analog Devices |
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ADE7880 データシート(HTML) 14 Page - Analog Devices |
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14 / 104 page ![]() ADE7880 Data Sheet Rev. A | Page 14 of 104 0.5 –0.5 –0.3 –0.1 0.1 0.3 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) GAIN = +1 GAIN = +2 GAIN = +4 GAIN = +8 GAIN = +16 Figure 13. Fundamental Active Energy Error as Percentage of Reading over Gain with Internal Reference and Integrator Off 0.5 –0.5 –0.3 –0.1 0.1 0.3 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) VDD = 2.97V VDD = 3.30V VDD = 3.63V Figure 14. Fundamental Active Energy Error as Percentage of Reading (Gain = +1) over Power Supply with Internal Reference and Integrator Off 0.5 –0.5 –0.3 –0.1 0.1 0.3 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) +25°C, PF = 1.0 –40°C, PF = 1.0 +85°C, PF = 1.0 Figure 15. Fundamental Active Energy Error as Percentage of Reading (Gain = +1) over Temperature with Internal Reference and Integrator On 0.5 –0.5 –0.3 –0.1 0.1 0.3 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) +25°C, PF = 1.0 –40°C, PF = 1.0 +85°C, PF = 1.0 Figure 16. Fundamental Reactive Energy Error as Percentage of Reading (Gain = +1, Power Factor = 0) over Temperature with Internal Reference and Integrator Off 0.5 –0.5 –0.3 –0.1 0.1 0.3 0.01 0.1 1 10 100 PERCENTAGE OF FULL-SCALE CURRENT (%) GAIN = +1 GAIN = +2 GAIN = +4 GAIN = +8 GAIN = +16 Figure 17. Fundamental Reactive Energy Error as Percentage of Reading over Gain with Internal Reference and Integrator Off 0.5 –0.5 –0.3 –0.1 0.1 0.3 45 47 49 51 53 55 57 59 61 63 65 LINE FREQUENCY (Hz) PF = +1.0 PF = +0.5 PF = –0.5 Figure 18. Fundamental Reactive Energy Error as Percentage of Reading (Gain = +1) over Frequency with Internal Reference and Integrator Off |
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