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ADE7762
Preliminary Technical Data
TABLE OF CONTENTS
Features..............................................................................................1
Rev. PrB | Page 2 of 28
General Description.........................................................................1
Specifications.....................................................................................3
Timing Characteristics ................................................................5
Absolute Maximum Ratings............................................................6
ESD Caution..................................................................................6
Pin Configuration and Function Descriptions ............................7
Typical Performance Characteristics.............................................9
Terminology....................................................................................11
Test Circuit ......................................................................................12
Theory of Operation......................................................................13
Power Factor Considerations....................................................13
Nonsinusoidal Voltage and Current ........................................14
Analog Inputs..................................................................................15
Current Channels.......................................................................15
Voltage Channels........................................................................15
Typical Connection Diagrams......................................................16
Current Channel Connection...................................................16
Voltage Channels Connection.................................................. 16
Meter Connections..................................................................... 16
Power Supply Monitor................................................................... 18
Phase Monitor................................................................................. 19
HPF and Offset Effects.................................................................. 20
Digital-to-Frequency Conversion................................................ 21
Mode Selection of the Sum of the Three Active Energies..... 22
Power Measurement Considerations....................................... 22
Transfer Function........................................................................... 23
Frequency Outputs F1 and F2.................................................. 23
Frequency Output CF................................................................ 24
Selecting a Frequency for an Energy Meter Application........... 25
Frequency Outputs..................................................................... 25
No Load Threshold.................................................................... 25
Negative Power Information..................................................... 26
Outline Dimensions....................................................................... 27
Ordering Guide .......................................................................... 27