ADE7761B
TABLE OF CONTENTS
Features .............................................................................................. 1
Analog Inputs ............................................................................. 11
Internal Oscillator ...................................................................... 12
Analog-to-Digital Conversion.................................................. 13
Active Power Calculation.......................................................... 14
Digital-to-Frequency Conversion............................................ 16
Transfer Function....................................................................... 16
Fault Detection ........................................................................... 17
Missing Neutral Mode............................................................... 18
Applications Information.............................................................. 21
Interfacing to a Microcontroller for Energy Measurement.. 21
Selecting a Frequency for an Energy Meter Application ...... 21
Negative Power Information..................................................... 22
Outline Dimensions....................................................................... 23
Ordering Guide .......................................................................... 23
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Characteristics ................................................................ 4
Absolute Maximum Ratings............................................................ 5
Performance Issues That May Affect Billing Accuracy........... 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 8
Test Circuit ........................................................................................ 9
Terminology .................................................................................... 10
Theory of Operation ...................................................................... 11
Power Supply Monitor ............................................................... 11
REVISION HISTORY
8/07—Revision 0: Initial Version
Rev. 0 | Page 2 of 24
ADI [ ADI ]
