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ADE7880 数据表(PDF) 13 Page - Analog Devices |
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ADE7880 数据表(HTML) 13 Page - Analog Devices |
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13 / 104 page ![]() Data Sheet ADE7880 Rev. A | Page 13 of 104 TYPICAL PERFORMANCE CHARACTERISTICS 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 7. Total Active Energy Error as Percentage of Reading (Gain = +1, Power Factor = 1) 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 8. Total 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 45 47 49 51 53 55 57 59 61 63 65 LINE FREQUENCY (Hz) PF = +1.0 PF = +0.5 PF = –0.5 Figure 9. Total Active Energy Error as Percentage of Reading (Gain = +1) over Frequency 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 10. Total 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 11. Total Active Energy Error as Percentage of Reading (Gain = +16) 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 12. Fundamental Active Energy Error as Percentage of Reading (Gain = +1, Power Factor = 1) over Temperature with Internal Reference and Integrator Off |
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