| 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. BLOCK DIAGRAM MMD1 MMD0 I1P PGA X1/X4/X8/ X16/X24 I1N VP VN I2P I2N DSP Module ADC HPF1 HPF0 ADC... |
| 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. ... |
| Datasheet |
 M90E26 Datasheet - 603.35KB |
| Part Number | Description |
|---|