ADE9000 Metering and
Power Quality Monitoring AFE
Reduces the complexity and high cost of power quality
measurement for the metering market.
Feature Rich
Advanced features that enable faster dip/swell detection for power quality measurements. Harmonic Applications
analysis made easier with resampled waveform data. Highest accuracy over widest dynamic range for
3-phase metering applications.
Scalability
Part of a common platform that is scalable to enable standard utility meter applications (ADE9078) and
meters with differentiated power quality features (ADE9000). Enables 3-phase energy meter platforms ►► Power quality monitoring
that meet a range of accuracies (Class 1.0, Class 0.5, and Class 0.2).
►► Smart power distribution
Reduced System Cost ►► Condition-based monitoring
Integrates high performance ADCs with low drift overall gain (±25 ppm/°C) and a DSP core for Class 0.2 ►► Polyphase meters
meters. Reduces the complexity and cost to design a system with advanced power quality features. ►► Transformer terminal units
►► Panel meters
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ADE9000 Overview Features
The ADE9000 is a fully integrated energy moni-
Advanced metrology and power quality High performance analog (>95 dB SNR)
toring device that interfaces with both current
transformer (CT) and Rogowski coil sensors. It is ►► Supports polyphase utility meter ►► Watt: 0.1% error at 5000:1;
ideal for multiphase metrology platforms that measurements 0.2% error at 10000:1
require high performance and advanced power ►► Enable implementation of ►► Voltage reference: ±25 ppm/°C
quality measurements. EN 61000-4-30 Class S maximum drift
The ADE9000 offers an integrated flexible wave- ►► Vrms 1/2 , Irms 1/2 rms voltage refreshed each Flexible sensor interface
form buffer that stores samples at a fixed data half cycle
►► Multipoint CT phase/gain compensation
rate or a sampling rate that varies based on line ►► 10/12 cycle rms
frequency to ensure 128 points per line cycle. These
►► Rogowski coil support
►► Dip, swell detection
two options make it easy to implement harmonic 20 MHz high speed SPI
anaylsis in an external processor.
►► Waveform buffer holds 128 points/cycle
for external harmonic analysis Low power: 10 mA (ADE9078);
Advanced utility meters benefit from the additional 15 mA (ADE9000)
power quality features like 10/12 cycle rms measure-
Temperature range: –40°C to +85°C
ments and sag/swell based on rms values
computed every half cycle.
LDO ADE9000
PGA ADC
Metrology Features
PGA ADC CF
(Per Phase)
1–4
Irms, Vrms,
PGA ADC Watt, VA,
Sinc Watt-Hr, VA-Hr,
and ITHD, VTHD, IRQ
PGA ADC Decimation
Waveform Buffer, 0–1
1/ Cycle rms,
2
PGA ADC 10/ Cycle rms,
12
Dip, Swell, SPI
PGA ADC Line Frequency,
etc.
PGA ADC
1.25 V
Temp SAR Reference
Sensor
Figure 1. Functional block diagram.
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