Analog Devices ADE7880 Polyphase Multifunction Energy Metering IC Anomaly List

This document describes the known issues with the ADE7880 silicon


Analog Devices ADE7880 Polyphase Multifunction Energy Metering IC Anomaly List - cover page
Brand
Analog Devices
Document type
Application Note
Language
English
Pages
4
File format
PDF
File size
110 KB
Published
02 August, 2012
Updated
30 September, 2023
Model
ADE7880
MD5 checksum
4C0A215D3E3EC197D591E4C527077C5A

About this manual

This application note describes specific anomaly issues identified in the ADE7880 silicon when the version register indicates Version = 1 (Rev. A). The document details four distinct problems affecting SPI communication, internal accuracy settings, high-pass filter behavior, and no-load condition logic.

For each issue, the text provides a background explanation of the expected versus actual behavior, followed by specific workarounds or notes on the lack thereof. These issues are intended to help engineers implement recommended workarounds in their software systems while waiting for future silicon revisions.

What's inside

  • LAST_ADD Register Wrong Value
  • Internal Setting Accuracy Performance
  • High Pass Filter Phase C Voltage
  • No Load Condition Functionality

Frequently asked questions

What is the silicon status for Version = 1 of the ADE7880?

The silicon status is Rev. A.

Is there a workaround for the high-pass filter issue in phase C voltage data path?

No, there is no workaround available for this specific issue.

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