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M90E26 - Single-Phase High-Performance Wide-Span Energy Metering-IC

General Description

The M90E26 is a high-performance wide-span energy metering chip.

The ADC and DSP technology ensure the chip's longterm stability over variations in grid and ambient environmental conditions.

Key Features

  • Metering Features.
  • Metering features fully in compliance with the requirements of IEC62052-11, IEC62053-21 and IEC62053-23; applicable in class 1 or class 2 single-phase watthour meter or class 2 single-phase var-hour meter.
  • Accuracy of 0.1% for active energy and 0.2% for reactive energy over a dynamic range of 5000:1.
  • Temperature coefficient is 15 ppm/ ℃ (typical) for on-chip reference voltage.
  • Single-point calibration over a dynamic range of 5000:1 for act.

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Other Datasheets by Atmel (now Microchip Technology)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Atmel M90E26 Single-Phase High-Performance Wide-Span Energy Metering IC DATASHEET FEATURES Metering Features • Metering features fully in compliance with the requirements of IEC62052-11, IEC62053-21 and IEC62053-23; applicable in class 1 or class 2 single-phase watthour meter or class 2 single-phase var-hour meter. • Accuracy of 0.1% for active energy and 0.2% for reactive energy over a dynamic range of 5000:1. • Temperature coefficient is 15 ppm/ ℃ (typical) for on-chip reference voltage • Single-point calibration over a dynamic range of 5000:1 for active energy; no cali- bration needed for reactive energy. • Energy Meter Constant doubling at low current to save verification time. • Electrical parameters measurement: less than ±0.