M90E26 Datasheet (ATMEL) - Single-Phase High-Performance Wide-Span Energy Metering-IC

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

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.

BLOCK DIAGRAM MMD1 MMD0 I1P PGA X1/X4/X8/ X16/X24 I1N VP VN I2P I2N DSP Module ADC HPF1 HPF0 ADC

M90E26 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