ade7762 Analog Devices, Inc., ade7762 Datasheet - Page 2

• Manufacturer Part Number: ade7762
• Description: Polyphase Energy Metering Ic With Phase Drop Indication
• Manufacturer: Analog Devices, Inc.

ADE7762
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Functional Block Diagram .............................................................. 3
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 9
Test Circuit ...................................................................................... 10
Terminology .................................................................................... 11
Theory of Operation ...................................................................... 12
Analog Inputs.................................................................................. 14
Typical Connection Diagrams ...................................................... 15
REVISION HISTORY
8/07—Revision 0: Initial Version
Timing Characteristics ................................................................ 5
ESD Caution.................................................................................. 6
Power Factor Considerations.................................................... 12
Nonsinusoidal Voltage and Current ........................................ 13
Current Channels ....................................................................... 14
Voltage Channels ........................................................................ 14
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Power Supply Monitor ................................................................... 17
Phase Monitor................................................................................. 18
HPF and Offset Effects .................................................................. 20
Digital-to-Frequency Conversion ................................................ 21
Transfer Function ........................................................................... 23
Selecting a Frequency for an Energy Meter Application........... 25
Outline Dimensions ....................................................................... 27
Current Channel Connection................................................... 15
Voltage Channel Connection.................................................... 15
Meter Connections..................................................................... 15
Phase Dropout Error.................................................................. 18
Phase Sequence Error ................................................................ 18
Phase Reverse Polarity Detection............................................. 18
Accumulation of 3-Phase Power .............................................. 22
Frequency Outputs F1 and F2 .................................................. 23
Frequency Output CF ................................................................ 24
Frequency Outputs..................................................................... 25
No-Load Threshold.................................................................... 26
Ordering Guide .......................................................................... 27