ADE7761

Rev. A | Page 2 of 28

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

REVISION HISTORY

2/04—Changed from Rev. 0 to Rev. A.

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

1/04—Revision 0: Initial Version