ADE9078 datasheet(16/108 Pages) AD

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Data Sheet

ADE9078

Rev. 0 | Page 15 of 107

RMS LINEARITY OVER TEMPERATURE AND RMS ERROR OVER FREQUENCY

Sinusoidal current and voltage with variable amplitudes from 100% of full scale down to 0.02% of full scale using a frequency of 50 Hz;

variable frequency between 45 Hz and 65 Hz; sinusoidal current amplitude of 10% of full scale and voltage amplitude of 50% of full scale;

integrator off.

–0.5

–0.3

–0.1

0.1

0.3

0.5

0.01

0.1

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

TA = –40°C

TA = +25°C

TA = +85°C

Figure 14. Current RMS Error as a Percentage of Reading over Temperature

–0.5

–0.3

–0.1

0.1

0.3

0.5

0.01

0.1

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

TA = –40°C

TA = +25°C

TA = +85°C

Figure 15. Voltage RMS Error as a Percentage of Reading over Temperature

LINE FREQUENCY (Hz)

Figure 16. Current RMS Error as a Percentage of Reading vs. Line Frequency

LINE FREQUENCY (Hz)

Figure 17. Voltage RMS Error as a Percentage of Reading vs. Line Frequency

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