This document introduces the ADE7756 model of active energy metering IC from Analog Devices, which features high accuracy, support for IEC 687/1036 standards, user-programmable voltage sag detection, and PSU supervisory functions.
The ADE7756 is a high‑accuracy electrical power measurement IC with a serial (SPI‑compatible) interface and pulse output. It integrates dual sigma‑delta ADCs, on‑chip reference, temperature sensor and the processing needed for active power and energy measurement.
The document lists the device’s features, functional block diagram, detailed specifications, timing characteristics, absolute maximum ratings, ordering guide, pin configuration and function descriptions, as well as terminology and calibration information.
| Supply Voltage | 5 V |
|---|---|
| Reference Voltage | 2.4 V ±8 % |
| Operating Temperature Range | -40 °C to +85 °C |
| Energy Measurement Accuracy | < 0.1 % over dynamic range 1000 : 1 |
| Clock Frequency (CLKIN) | 3.579545 MHz |
It uses an SPI‑compatible serial interface for data read and write operations.
The device provides an open‑drain SAG output that goes active low when a sag event occurs.
The IC is offered in 20‑lead DIP and 20‑lead SSOP packages.
The device operates with a clock input (CLKIN) of 3.579545 MHz.