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ADE7880ACPZ

Polyphase Multifunction Energy Metering IC with Harmonic Monitoring

Analog Devices 

ADE7880

Parameter1, 2

Min

Typ

RMS MEASUREMENTS (PSM0 Mode)

I RMS and V RMS Measurement

3.3

Bandwidth (−3 dB)

I RMS and V RMS Measurement Error

0.1

MEAN ABSOLUTE VALUE (MAV)

MEASUREMENT (PSM1 Mode)

I MAV Measurement Bandwidth

260

I MAV Measurement Error

0.5

HARMONIC MEASUREMENTS

Bandwidth (−3 dB)

No attenuation Pass Band

Fundamental Line Frequency, fL

3.3

2.8

45

Maximum Number of Harmonics3

Absolute Maximum Number of

Harmonics

Harmonic RMS Measurement Error

1

Harmonic Active/Reactive Power

1

Measurement Error

ANALOG INPUTS

Maximum Signal Levels

Input Impedance (DC)

IAP, IAN, IBP, IBN, ICP, ICN, VAP, VBP, 490

and VCP Pins

VN Pin

170

ADC Offset

−35

Gain Error

±4

Data Sheet

Max

Unit

Test Conditions/Comments

kHz

%

Over a dynamic range of 1000 to 1,

PGA = 1

Hz

%

Over a dynamic range of 100 to 1,

PGA = 1, 2, 4, 8

kHz

kHz

66

Hz

 2800 





fL





63

%

%

Voltage signal must have amplitudes

greater than 100 mV peak at ADC stage.

Set the SELFREQ bit of COMPMODE

register based on the frequency. See the

Managing Change in Fundamental Line

Frequency section for details.

Instantaneous reading accuracy over a

dynamic range of 1000 to 1 for harmonics

of frequencies within the pass band; after

the initial 750 ms settling time; PGA = 1

Accuracy over a dynamic range of 2000:1

for harmonics of frequencies within the

pass band; average of 10 readings at

128 ms update rate, after the initial

750 ms setting time; PGA = 1

Instantaneous reading accuracy over a

dynamic range of 1000 to 1 for harmonics

of frequencies within the pass band; after

the initial 750 ms settling time; PGA = 1

Accuracy over a dynamic range of 2000:1

for harmonics of frequencies within the

pass band; average of 5 readings at

128 ms update rate, after the initial

750 ms setting time; PGA = 1

±500

mV peak

PGA = 1, differential or single-ended inputs

between the following pins: IAP and IAN,

IBP and IBN, ICP and ICN, INP and INN;

single-ended inputs between the following

pins: VAP and VN, VBP and VN, VCP and

VN

kΩ

kΩ

mV

PGA = 1, uncalibrated error, see the

Terminology section. Scales inversely

proportional to the other PGA gains

%

External 1.2 V reference

Rev. C | Page 6 of 107

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