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ADE7912/ADE7913

Data Sheet

Rev. 0 | Page 2 of 44

TABLE OF CONTENTS

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

Applications....................................................................................... 1

Typical Applications Circuit............................................................ 1

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

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

Functional Block Diagrams............................................................. 4

Specifications..................................................................................... 5

Regulatory Approvals (Pending) ................................................ 7

Insulation and Safety Related Specifications ............................ 7

DIN V VDE V 0884-10 (VDE V 0884-10) Insulation

Characteristics .............................................................................. 7

Timing Characteristics ................................................................ 8

Absolute Maximum Ratings.......................................................... 10

Thermal Resistance .................................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Typical Performance Characteristics ........................................... 13

Test Circuit ...................................................................................... 15

Terminology .................................................................................... 16

Theory of Operation ...................................................................... 18

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

Analog-to-Digital Conversion.................................................. 18

Reference Circuit ........................................................................ 20

CRC of ADC Output Values ..................................................... 20

Temperature Sensor ................................................................... 20

Protecting the Integrity of Configuration Registers .............. 21

CRC of Configuration Registers............................................... 21

ADE7912/ADE7913 Status ....................................................... 21

Insulation Lifetime ..................................................................... 22

Applications Information .............................................................. 23

ADE7912/ADE7913 in Polyphase Energy Meters................. 23

ADE7912/ADE7913 Clock ....................................................... 25

SPI-Compatible Interface.......................................................... 26

Synchronizing Multiple ADE7912/ADE7913 Devices.......... 27

Power Management........................................................................ 31

DC-to-DC Converter................................................................. 31

Magnetic Field Immunity ......................................................... 32

Power-Up and Initialization Procedures................................. 33

Hardware Reset........................................................................... 36

Software Reset............................................................................. 36

Power-Down Mode.................................................................... 36

Layout Guidelines........................................................................... 37

ADE7913 Evaluation Board...................................................... 39

ADE7912/ADE7913 Version .................................................... 39

Outline Dimensions ....................................................................... 44

Ordering Guide .......................................................................... 44

REVISION HISTORY

11/13—Revision 0: Initial Version

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