High accuracy; supports IEC 60687/61036/61268 and IEC 62053-21/62053-22/62053-23
On-chip digital integrator enables direct interface to current sensors with di/dt output
A PGA in the current channel allows direct interface to shunts and current transformers
Active, reactive, and apparent energy; sampled waveform; current and voltage rms
Less than 0.1% error in active energy measurement over a dynamic range of 1000 to 1 at 25°C
Positive-only energy accumulation mode available
On-chip user programmable threshold for line voltage surge and SAG and PSU supervisory
Digital calibration for power, phase, and input offset
On-chip temperature sensor (±3°C typical)
SPI® compatible serial interface
Pulse output with programmable frequency
Interrupt request pin (IRQ) and status register
Reference 2.4 V with external overdrive capability
Single 5 V supply, low power (25 mW typical)
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