ADE9000ACPZ datasheet(20/73 Pages) AD

20 / 73 page

Data Sheet

ADE9000

Rev. A | Page 19 of 72

ENERGY AND RMS LINEARITY WITH INTEGRATOR ON

The sinusoidal voltage has an amplitude of 50% of full scale and a frequency of 50 Hz, PGA_GAIN is a gain set to 4, the sinusoidal current has

variable amplitudes from 100% of full scale down to 0.01% or 0.1% of full scale and a frequency of 50 Hz, full scale at gain of 4 = (full scale at

gain of 1)/4, a high-pass corner frequency of 4.97 Hz, and TA = 25°C, unless otherwise noted.

0.5

0.3

0.1

–0.1

–0.3

–0.5

0.01

0.1

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

Figure 36. Total Active Energy Error, Gain = 4, Integrator On

0.5

0.3

0.1

–0.1

–0.3

–0.5

0.01

0.1

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

Figure 37. Total Reactive Energy Error, Gain = 4, Integrator On

0.5

0.3

0.1

–0.1

–0.3

–0.5

0.1

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

Figure 38. Total Apparent Energy Error, Gain = 4, Integrator On

0.5

0.3

0.1

–0.1

–0.3

–0.5

0.1

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

Figure 39. Total Current RMS Error, Gain = 4, Integrator On

0.1

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

1.0

0.5

–0.5

–1.0

Figure 40. ½ Cycle Current RMS Error, Gain = 4, Integrator On, Data

Sourced After High-Pass Filter, Register CONFIG0, Bit RMS_SRC_SEL = 0

1.0

0.5

–0.5

–1.0

100

PERCENTAGE OF FULL-SCALE CURRENT (%)

Figure 41. ½ Cycle Current RMS Error, Gain = 4, Integrator On, Data Sourced

Before High-Pass Filter and Calibrated for Offset, Register CONFIG0,

Bit RMS_SRC_SEL = 1

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