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ADE7762
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Functional Block Diagram .............................................................. 3
Specifications..................................................................................... 4
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 9
Test Circuit ...................................................................................... 10
Terminology .................................................................................... 11
Theory of Operation ...................................................................... 12
Power Factor Considerations.................................................... 12
Nonsinusoidal Voltage and Current ........................................ 13
Analog Inputs.................................................................................. 14
Current Channels ....................................................................... 14
Voltage Channels ........................................................................ 14
Typical Connection Diagrams ...................................................... 15
Current Channel Connection................................................... 15
Voltage Channel Connection.................................................... 15
Meter Connections..................................................................... 15
Power Supply Monitor ................................................................... 17
Phase Monitor................................................................................. 18
Phase Dropout Error.................................................................. 18
Phase Sequence Error ................................................................ 18
Phase Reverse Polarity Detection............................................. 18
HPF and Offset Effects .................................................................. 20
Digital-to-Frequency Conversion ................................................ 21
Accumulation of 3-Phase Power .............................................. 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.................................................................... 26
Outline Dimensions ....................................................................... 27
Ordering Guide .......................................................................... 27
REVISION HISTORY
8 /07—Revision 0: Initial Version
Rev. 0 | Page 2 of 28
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