ADE7912/ADE7913
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
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
Register List..................................................................................... 41
Outline Dimensions....................................................................... 44
Ordering Guide .......................................................................... 44
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
REVISION HISTORY
11/13—Revision 0: Initial Version
Rev. 0 | Page 2 of 44