ADE7912/ADE7913

Data Sheet

Rev. C | Page 2 of 41

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................................................................... 7

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

DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 Insulation

Characteristics .............................................................................. 8

Timing Characteristics ................................................................ 9

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 ................................................................... 21

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

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

ADE7912/ADE7913 Status ....................................................... 22

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.......... 28

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...................................................... 37

ADE7912/ADE7913 Version .................................................... 37

Register List..................................................................................... 38

Outline Dimensions....................................................................... 41

Ordering Guide .......................................................................... 41

REVISION HISTORY

2/2018—Rev. B to Rev. C

Changes to Table 2............................................................................ 7

8/2016—Rev. A to Rev. B

Added Patent Note, Note 1.............................................................. 1

Change to Table 9 ........................................................................... 11

Change to Figure 12 ....................................................................... 13

Changes to DC-to-DC Converter Section .................................. 31

4/2015—Rev. 0 to Rev. A

Changes to Features Section and General Description Section........1

Changes Table 1 ................................................................................ 5

Changed Regulatory Approvals (Pending) Section to Regulatory

Approvals Section............................................................................. 7

Changes to Regulatory Approvals Section, Table 2, and Tracking

Resistance (Comparative Tracking Index) Parameter, Table 3..........7

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

Characteristics Section to DIN V VDE V 0884-10 (VDE V

0884-10):2006-12 Insulation Characteristics Section.................. 8

Changes to Table 4 and Figure 4..................................................... 8

Changes to Table 8.......................................................................... 10

Changes to Pin 15 Description, Table 9....................................... 11

Changes to Figure 9 and Figure 11............................................... 13

Changes to Terminology Section ................................................. 16

Changes to ADC Transfer Function Section and CRC of ADC

Output Values Section ................................................................... 20

Changes to Temperature Sensor Section..................................... 21

Changes to Insulation Lifetime Section ...................................... 22

Deleted Figure 31; Renumbered Sequentially ............................ 22

Changes to SPI-Compatible Interface Section ........................... 26

Changes to SPI Read Operation in Burst Mode Section........... 27

Changes to Power-Down Mode Section ..................................... 36

Changes to Layout Guidelines Section........................................ 37

Deleted Figure 54............................................................................ 37

Deleted Figure 55 and Figure 56 .................................................. 38

Deleted Figure 57 and Figure 58 .................................................. 39

Deleted Figure 59 and Figure 60 .................................................. 40

11/2013—Revision 0: Initial Version