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ADE7757ARN Datasheet Energy Metering

Manufacturer: Analog Devices

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General Description

Energy Metering IC with Integrated Oscillator ADE7757* The ADE7757 specifications surpass the accuracy requirements as quoted in the IEC1036 standard.

Due to the similarity between the ADE7757 and AD7755, the Application Note AN-559 can be used as a basis for a description of an IEC1036 low cost watt-hour meter reference design.

The only analog circuitry used in the ADE7757 is in the sigma-delta ADCs and reference circuit.

Overview

PRELIMINARY TECHNICAL DATA a Preliminary Technical Data.

Key Features

  • On Chip Oscillator as clock source High Accuracy, Supports 50 Hz/60 Hz IEC 521/1036 Less than 0.1% Error Over a Dynamic Range of 500 to 1 The ADE7757 Supplies Average Real Power on the Frequency Outputs F1 and F2 The High Frequency Output CF Is Intended for Calibration and Supplies Instantaneous Real Power Direct Drive for Electromechanical Counters and Two Phase Stepper Motors (F1 and F2) Proprietary ADCs and DSP Provide High Accuracy over Large Variations in Environmental Conditions and Time O.

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