
Analog Devices
GENERAL DESCRIPTION
The ADE7754 is a high accuracy polyphase electrical energy measurement IC with a serial interface and a pulse output. The ADE7754 incorporates second order Σ-∆ ADCs, reference circuitry, temperature sensor, and all the signal processing required to perform active, apparent energy measurements, and rms calculation.
FEATURES
High Accuracy, Supports IEC 687/61036
Compatible with 3-Phase/3-Wire, 3-Phase/4-Wire and any Type of 3-Phase Services
Less than 0.1% Error in Active Power Measurement over a Dynamic Range of 1000 to 1
Supplies Active Energy, Apparent Energy, Voltage RMS, Current RMS, and Sampled Waveform Data
Digital Power, Phase, and Input Offset Calibration
On-Chip Temperature Sensor (4C Typical after Calibration)
On-Chip User Programmable Thresholds for Line Voltage SAG and Overdrive Detections
SPI Compatible Serial Interface with Interrupt Request Line (IRQ)
Pulse Output with Programmable Frequency
Proprietary ADCs and DSP Provide High Accuracy over Large Variations in Environmental Conditions and Time
Single 5 V Supply