ADE9430 datasheet(3/35 Pages) AD

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Data Sheet

ADE9430

GENERAL DESCRIPTION

analog.com

Rev. 0 | 3 of 35

The ADE9430 is a highly accurate, fully integrated, polyphase en-

ergy and power quality monitoring device. Superior analog perform-

ance and a digital signal processing (DSP) core enable accurate

energy monitoring over a wide dynamic range. An integrated high

end reference ensures low drift over temperature with a combined

drift of less than ±25 ppm/°C maximum for the entire channel

including a programmable gain amplifier (PGA) and an analog-to-

digital converter (ADC).

The ADE9430 offers a complete power quality monitoring capability

by providing instantaneous total as well as fundamental measure-

ments on rms, frequency, phase angle, power factor active, reac-

tive, and apparent powers and energies. Using the optional ADSW-

PQ-CLS Power Quality Library, advanced power quality features,

such as dip and swell monitoring, power frequency, voltage total

harmonic distortion (VTHD), and current total harmonic distortion

(ITHD), are enabled. The one cycle rms, 10 cycle rms/12 cycle rms,

and the optional ADSW-PQ-CLS Power Quality Library features

are calculated according to IEC 61000-4-30 Class S. To request

access to the ADSW-PQ-CLS, fill out the software request form at:

Software Request Form | Analog Devices, where the target technol-

ogy must be power quality monitoring and the processor/system on

chip (SoC) is the ADE9430.

The ADE9430 offers a resampled waveform of 1024 points per

10 cycles or 12 cycles. Resampling simplifies the fast Fourier

transform (FFT) calculation of at least 40 harmonics in an external

processor.

The ADE9430 simplifies the implementation and certification of

energy and power quality monitoring systems by providing tight

integration of acquisition and calculation engines. The integrated

ADCs and DSP engine calculate various parameters and provide

data through user accessible registers or indicate events through

interrupt pins. With seven dedicated ADC channels, the ADE9430

can be used on a 3-phase system or up to three single-phase

systems. This device supports current transformers (CTs) or Ro-

gowski coils when used with external analog integrator for current

measurements.

The ADE9430 absorbs most of the complexity in calculations for

a power quality monitoring system. Combining a simple host micro-

controller and the optional ADSW-PQ-CLS Power Quality Library,

the ADE9430 enables the design of standalone monitoring or pro-

tection systems, or low cost nodes uploading data into the cloud.

Note that throughout this data sheet, multifunction pins, such as

CF4/EVENT/DREADY, are referred to either by the entire pin name

or by a single function of the pin, for example, EVENT, when only

that function is relevant.

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