ADE7816 datasheet(2/48 Pages) AD

2 / 48 page

ADE7816

Data Sheet

Rev. 0 | Page 2 of 48

TABLE OF CONTENTS

Features .............................................................................................. 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Timing Characteristics ................................................................ 5

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Test Circuit ...................................................................................... 14

Quick Start....................................................................................... 16

Inputs................................................................................................ 17

Power and Ground ..................................................................... 17

Reference Circuit ........................................................................ 17

Reset ............................................................................................. 17

CLKIN and CLKOUT................................................................ 18

Analog Inputs.............................................................................. 18

Energy Measurements.................................................................... 20

Starting and Stopping the DSP ................................................. 20

Active Energy Measurement..................................................... 20

Reactive Energy Measurement ................................................. 21

Line Cycle Accumulation Mode............................................... 22

Root Mean Square Measurement ............................................. 23

No Load Detection ..................................................................... 23

Energy Calibration ......................................................................... 24

Channel Matching ...................................................................... 24

Energy Gain Calibration ........................................................... 24

Energy Offset Calibration ......................................................... 24

Energy Phase Calibration.......................................................... 25

RMS Offset Calibration ............................................................. 25

Power Quality Features.................................................................. 26

Selecting a Current Channel Group ........................................ 26

Instantaneous Waveforms ......................................................... 26

Zero-Crossing Detection........................................................... 26

Peak Detection............................................................................ 27

Overcurrent and Overvoltage Detection ................................ 27

Indication of Power Direction .................................................. 28

Angle Measurements ................................................................. 28

Period Measurement.................................................................. 29

Voltage Sag Detection ................................................................ 29

Setting the SAGCYC Register................................................... 29

Setting the SAGLVL Register.................................................... 29

Voltage Sag Interrupt ................................................................. 29

Checksum.................................................................................... 30

Outputs ............................................................................................ 31

Interrupts..................................................................................... 31

Communication ......................................................................... 31

Registers........................................................................................... 36

Outline Dimensions ....................................................................... 45

Ordering Guide .......................................................................... 45

REVISION HISTORY

2/12—Revision 0: Initial Version

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