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ADE7763ARSZRL Datasheet(PDF) 2 Page - Analog Devices |
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ADE7763ARSZRL Datasheet(HTML) 2 Page - Analog Devices |
2 / 56 page 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 Register Descriptions ..................................................................... 51 Communication Register .......................................................... 51 Mode Register (0x09)................................................................. 51 Interrupt Status Register (0x0B), Reset Interrupt Status Register (0x0C), Interrupt Enable Register (0x0A) ............... 53 CH1OS Register (0x0D)............................................................ 54 Outline Dimensions....................................................................... 55 Ordering Guide .......................................................................... 55 |
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