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The ADE7754 is the electricity industry's first digitally calibrated, multi-function energy measurement IC programmable for all types of 3-phase grid configurations. This single chip solution measures
ADE7754 Maximum Ratings
Meter Type
Polyphase
Supply Current
5mA
Package
24-Lead SOIC
Active Energy Accuracy
0.1% over 1000:1 @25°C
Active Energy Bandwidth
14kHz
IRMS Accuracy
0.5% over 200:1
VRMS Accuracy
0.5% over 20:1
Analog input range
+/-32mV to +/- 500mV peak
Power Consumption
70mW Typical
Reference Tempco
30ppm/°C Typical
ADE7754 Features
High Accuracy, supports IEC 687/1036 Compatible with 3-phase/3-wire, 3-phase/4-wire and any type of 3-phase services Less than 0.1% error over a dynamic range of 500 to 1 The ADE7754 supplies Active Energy, Apparent Energy, Voltage rms, Current rms and Sampled Waveform Data.
Digital Power, Phase & Input Offset Calibration.
An On-Chip temperature sensor (±3 typ. after calibration) On-Chip user Programmable thresholds for line voltage SAG and overdrive detections.
A SPI compatible Serial Interface with Interrupt Request line (IRQ).
A pulse output with programmable frequency Proprietary ADCs and DSP provide high accuracy over large variations in environmental conditions and time.
Reference 2.5V±8% (Drift 30 ppm/ typical) with external overdrive capability Single 5V Supply, Low power (15mW typical)