ADE7753

Single Phase Multifunction Energy Metering IC with di/dt Input (Serial-Port Interface)
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Product Details

The ADE77531 features proprietary ADCs and DSP for high accuracy over large variations in environmental conditions and time. The ADE7753 incorporates two second-order 16-bit Σ-Δ ADCs, a digital integrator (on CH1), reference circuitry, temperature sensor, and all the signal processing required to perform active, reactive, and apparent energy measurements, line-voltage period measurement, and rms calculation on the voltage and current. The selectable on-chip digital integrator provides direct interface to di/dt current sensors such as Rogowski coils, eliminating the need for an external analog integrator and resulting in excellent long-term stability and precise phase matching between the current and voltage channels.

The ADE7753 provides a serial interface to read data, and a pulse output frequency (CF), which is proportional to the active power. Various system calibration features, i.e., channel offset correction, phase calibration, and power calibration, ensure high accuracy. The part also detects short duration low or high voltage variations. The positive-only accumulation mode gives the option to accumulate energy only when positive power is detected. An internal no-load threshold ensures that the part does not exhibit any creep when there is no load. The zero-crossing output (ZX) produces a pulse that is synchronized to the zero-crossing point of the line voltage. This signal is used internally in the line cycle active and apparent energy accumulation modes, which enables faster calibration.

The interrupt status register indicates the nature of the interrupt, and the interrupt enable register controls which event produces an output on the IRQ pin, an open-drain, active low logic output. The ADE7753 is available in a 20-lead SSOP package.

NOTE: For polyphase system designs, the ADE7758 is recommended.

Product Lifecycle

checked Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits

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Product Details

This documentation describes the ADE7753 Evaluation Kit Hardware and Software functionality. The ADE7753 evaluation board, together with the ADE7753 data sheet and this documentation, provides a      complete evaluation platform for the ADE7753. The evaluation board has been designed so that the ADE7753 can be evaluated in its end application easily. Using the appropriate transducers on the current channel (e.g., shunt, CT, di/dt sensor, etc.), the evaluation board can be connected to a test bench or high voltage (240V rms) test circuit. An on-board resistor divider network provides the attenuation for the line voltage. This application note also describes how the current transducers should be connected for the best performance. The evaluation board (watt-hour meter) is configured and calibrated via the parallel port of a PC. The data interface between the evaluation board and the PC is fully isolated. Windows™ based software is provided with the evaluation board, which allows it to be quickly configured as an energy meter. The evaluation board also functions as a stand-alone evaluation system, which can be easily incorporated into an existing system via a 25 way D-Sub connector. The evaluation board requires two external 5V power supplies (one is required for isolation purposes) and the appropriate current transducer.

Documentation

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Reference Materials

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Design Resources

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

ADE7753 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

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Reviews

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Overview

5 Reviews
3 out of 3 (100%) customers recommend this product.
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Most Helpful Review

by Anonymous
Please update the current and power consumption in the datasheets. These are not complete and confusing.

Most Recent Review

by MS
good performanecs versus pretty simple usability..

All Reviews

by MS, 17 Mar 14
AD8361
good performanecs versus pretty simple usability..
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by Anonymous, 16 Jan 14
ADE7753
For me this is a very complete IC that offers a fully range of features that I needed. Otherwise I would needed to spend more money and space in the PCB board to achieve some of the functions that ADE 7753 gives.
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by Anonymous, 12 Dec 13
ADE7753
It has very functionalities and its accuracity was in the encounter of my needs. There are some functionalities in an deep explore.
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by Vadim, 17 Oct 13
Good product
We need it becouse that features: 1. Less than 0.1% error in active energy measurement 2. On-chip digital integrator 3. High accuracy 4. SPI compatible serial interface 5. On-chip temperature sensor
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by Anonymous, 25 Dec 12
Excellent good and compact product for diffent designs
Please update the current and power consumption in the datasheets. These are not complete and confusing.
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.