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ADE7761

Energy Metering IC with On-Chip Fault and Missing Neutral Detection

Analog Devices 

ADE7761

TABLE OF CONTENTS

General Description ......................................................................... 3

Active Power Calculation .......................................................... 15

Specifications..................................................................................... 4

Digital-to-Frequency Conversion ............................................ 18

Timing Characteristics..................................................................... 6

Transfer Function....................................................................... 18

Absolute Maximum Ratings............................................................ 7

Fault Detection ........................................................................... 19

ESD Caution.................................................................................. 7

Missing Neutral Mode ............................................................... 20

Terminology ...................................................................................... 8

Applications..................................................................................... 23

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Operation......................................................................................... 13

E Power Supply Monitor ............................................................... 13

Analog Inputs.............................................................................. 13

T Internal Oscillator ...................................................................... 14

Analog-to-Digital Conversion.................................................. 14

E REVISION HISTORY

L 2/04—Changed from Rev. 0 to Rev. A.

Changes to Ordering Guide .......................................................... 25

OBSO 1/04—Revision 0: Initial Version

Interfacing to a Microcontroller for Energy Measurement .. 23

Selecting a Frequency for an Energy Meter Application....... 23

Negative Power Information..................................................... 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 25

Disclaimer........................................................................................ 26

Rev. A | Page 2 of 28

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