Polyphase Energy Metering AFE
Data Sheet
High Performance, Polyphase Energy Metering AFE ADE9078
FEATURES
FUNCTIONAL BLOCK DIAGRAM
14331-001
7 hi...
Description
Data Sheet
High Performance, Polyphase Energy Metering AFE ADE9078
FEATURES
FUNCTIONAL BLOCK DIAGRAM
14331-001
7 high performance analog-to-digital converters (ADCs) 101 dB signal-to-noise ratio (SNR) 10,000:1 dynamic range Wide input range: ±1 V, 0.707 V rms full scale Differential inputs
±25 ppm/°C maximum channel temperature drift (including ADC, internal VREF, and PGA drift) enabling Class 0.2 meters with standard external components
Power quality measurements Line frequency: 1 measurement per phase Zero crossing detection, zero-crossing timeout Phase angle measurements
Supports current transformers (CTs) and Rogowski coil (di/dt) sensors Multiple range phase/gain compensation for CTs Digital integrator for Rogowski coils
Flexible waveform buffer Able to resample waveform to ensure 64 points per line cycle for ease of external harmonic analysis Events can trigger waveform storage Simplifies data collection for IEC 61000-4-7 harmonic analysis
Advanced metrology feature set T...
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