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ADE7761A
TABLE OF CONTENTS
Features..............................................................................................1
Rev. 0 | Page 2 of 24
General Description.........................................................................1
Functional Block Diagram..............................................................1
Revision History...............................................................................2
Specifications.....................................................................................3
Timing Characteristics ................................................................4
Absolute Maximum Ratings............................................................5
Performance
I
ssues
T
hat
M
ay
A
ffect
B
illing
A
ccuracy...........5
ESD Caution..................................................................................5
Pin Configuration and Function Descriptions.............................6
Terminology......................................................................................8
Typical Performance Characteristics.............................................9
Test Circuit ......................................................................................10
Operation.........................................................................................11
Power Supply Monitor...............................................................11
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..................................................................................... 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
REVISION HISTORY
7/06—Revision 0: Initial Version