Datasheet Summary
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Energy Metering IC with Integrated Oscillator and Reverse Polarity Indication AD71056
Features
On-chip oscillator as clock source High accuracy, supports 50 Hz/60 Hz IEC62053-21 Less than 0.1% error over a dynamic range of 500 to 1 Supplies average real power on frequency outputs (F1, F2) High frequency output (CF) calibrates and supplies instantaneous real power Logic output (REVP) indicates potential miswiring or negative power Direct drive for electromechanical counters and 2-phase stepper motors (F1, F2) Proprietary ADCs and DSP provide high accuracy over large variations in environmental conditions and time On-chip power supply monitoring On-chip creep protection...