ADE9430 datasheet(5/35 Pages) AD

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Data Sheet

ADE9430

SPECIFICATIONS

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Rev. 0 | 5 of 35

VDD = 2.97 V to 3.63 V, GND = AGND = DGND = 0 V, on-chip reference, CLKIN = 24.576 MHz crystal (XTAL), TMIN to TMAX = −40°C to +85°C,

and TA = 25°C (typical), unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

ACCURACY (MEASUREMENT ERROR PER PHASE)

Total Active Energy

0.1

Over a dynamic range of 5000 to 1, 10 sec accumulation

0.2

Over a dynamic range of 10,000 to 1, 20 sec accumulation

Total Reactive Energy

0.1

Over a dynamic range of 5000 to 1, 10 sec accumulation

0.2

Over a dynamic range of 10,000 to 1, 20 sec accumulation

Total Apparent Energy

0.1

Over a dynamic range of 1000 to 1, 2 sec accumulation

0.5

Over a dynamic range of 5000 to 1, 10 sec accumulation

Fundamental Active Energy

0.1

Over a dynamic range of 5000 to 1, 2 sec accumulation

0.2

Over a dynamic range of 10,000 to 1, 10 sec accumulation

Fundamental Reactive Energy

0.1

Over a dynamic range of 5000 to 1, 2 sec accumulation

0.2

Over a dynamic range of 10,000 to 1, 10 sec accumulation

Fundamental Apparent Energy

0.1

Over a dynamic range of 5000 to 1, 2 sec accumulation

0.5

Over a dynamic range of 10,000 to 1, 10 sec accumulation

IRMS and VRMS

0.1

Over a dynamic range of 1000 to 1

0.5

Over a dynamic range of 5000 to 1

Fundamental IRMS, VRMS

0.1

Over a dynamic range of 1000 to 1

0.5

Over a dynamic range of 5000 to 1

Active Power, VAR, VA

0.2

Over a dynamic range of 1000 to 1

0.4

Over a dynamic range of, 3000 to 1

Power Factor (PF) Error

±0.001

Over a dynamic range of 5000 to 1

128-Point per Line Cycle or 1024 Point over 10

Cycles Resampled Data

0.1

An FFT is performed to receive the magnitude response;

this error is the worst case error in the magnitude caused by

the resampling algorithm distortion; the input signal is 50 Hz

fundamental and ninth harmonic both at half of full scale

−72

Amplitude of highest spur; input signal is 50 Hz fundamental

and ninth harmonic both at half of full scale

1.25

An FFT is performed to receive the magnitude response;

this error is the worst case error in the magnitude caused

by resampling algorithm distortion; input signal is 50 Hz

fundamental and 31st harmonic, both at half of full scale

−38

Amplitude of highest spur; input signal is 50 Hz fundamental

and 31st harmonic, both at half of full scale

10 Cycle/12 Cycle IRMS and VRMS1

0.2

Data sourced before high-pass filter (HPF), no dc offset at

inputs, over a dynamic range of 100 to 1

VRMS and IRMS 1 Cycle

0.2%

Data sourced before HPF, no dc offset at inputs, over a

dynamic range of 100 to 1

Line Period Measurement

0.001

Resolution at 50 Hz

Current to Current, Voltage to Voltage, and Voltage

to Current Angle Measurement

0.018

Degrees

Resolution at 50 Hz

ADC

PGA Gain Settings (PGA_GAIN)

1, 2, or 4

V/V

PGA gain setting is referred to as the PGA_GAIN register

Differential Input Voltage Range (VxP to VxN, IxP to

IxN)

−1/Gain

+1/Gain

707 mV rms, when VREF = 1.25 V, this voltage corresponds

to 53 million codes

Maximum Operating Voltage on Analog Input Pins

(VxP, VxN, IxP, and IxN)

−0.6

+0.6

Voltage on the pin with respect to ground (GND = AGND =

DGND = REFGND)

Signal-to-Noise Ratio (SNR)2

PGA = 1

32 kSPS, sinc4 output, input voltage (VIN) = −0.5 dB from

half of full scale

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