ADE7763ARSZ datasheet(2/56 Pages) AD

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ADE7763

Data Sheet

Rev. C | Page 2 of 56

TABLE OF CONTENTS

Features .............................................................................................. 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 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

Theory of Operation ...................................................................... 14

Analog Inputs.............................................................................. 14

di/dt Current Sensor and Digital Integrator ........................... 15

Zero-Crossing Detection........................................................... 16

Period Measurement.................................................................. 17

Power Supply Monitor ............................................................... 17

Line Voltage Sag Detection ....................................................... 18

Peak Detection............................................................................ 18

Interrupts..................................................................................... 19

Temperature Measurement ....................................................... 20

Analog-to-Digital Conversion.................................................. 20

Channel 1 ADC .......................................................................... 21

Channel 2 ADC .......................................................................... 23

Phase Compensation.................................................................. 24

Active Power Calculation.......................................................... 25

Energy Calculation..................................................................... 27

Power Offset Calibration........................................................... 29

Energy-to-Frequency Conversion............................................ 29

Line Cycle Energy Accumulation Mode ................................. 31

Positive-Only Accumulation Mode ......................................... 31

No-Load Threshold.................................................................... 31

Apparent Power Calculation..................................................... 32

Apparent Energy Calculation ................................................... 33

Line Apparent Energy Accumulation...................................... 34

Energies Scaling.......................................................................... 35

Calibrating an Energy Meter .................................................... 35

CLKIN Frequency...................................................................... 44

Suspending Functionality.......................................................... 45

Checksum Register..................................................................... 45

Serial Interface ............................................................................ 45

Registers........................................................................................... 48

Communication Register .......................................................... 51

Mode Register (0x09)................................................................. 51

Interrupt Status Register (0x0B), Reset Interrupt Status

CH1OS Register (0x0D)............................................................ 54

Outline Dimensions....................................................................... 55

Ordering Guide .......................................................................... 55

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