ADEMA124/ADEMA127 Calibration Guide
Calibration guide for ADEMA124/ADEMA127 energy measurement ICs. Details ADC/DSP configuration and gain/phase calibration for voltage dividers, CTs, and Rogowski coils.
Overview
This reference manual provides a detailed technical guide for the calibration of Analog Devices ADEMA124 and ADEMA127 energy measurement systems. It outlines the necessary configurations for ADC timing and channels, including sinc filter decimation and DSP settings optimized for different sensors such as voltage dividers, shunts, current transformers (CT), and Rogowski coils. The document covers gain calibration procedures for both voltage and current channels, phase angle adjustment techniques, and software-level corrections including RMS offset and electrostatic coupling correction to ensure high-accuracy energy metering data.
Use Cases
- Energy metering system design
- Power monitoring equipment calibration
- Industrial power measurement systems
- Voltage and current sensor signal conditioning