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ADE7753ARSZRL Datasheet(PDF) 2 Page - Analog Devices |
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ADE7753ARSZRL Datasheet(HTML) 2 Page - Analog Devices |
2 / 60 page ADE7753 Rev. C | Page 2 of 60 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 ...................................................................... 16 Analog Inputs.............................................................................. 16 di/dt Current Sensor and Digital Integrator............................... 17 Zero-Crossing Detection........................................................... 18 Period Measurement .................................................................. 19 Power Supply Monitor ............................................................... 19 Line Voltage Sag Detection ....................................................... 19 Peak Detection ............................................................................ 20 ADE7753 Interrupts................................................................... 21 Temperature Measurement ....................................................... 22 ADE7753 Analog-to-Digital Conversion................................ 22 Channel 1 ADC .......................................................................... 23 Channel 2 ADC .......................................................................... 25 Phase Compensation.................................................................. 27 Active Power Calculation .......................................................... 28 Energy Calculation..................................................................... 29 Power Offset Calibration........................................................... 31 Energy-to-Frequency Conversion............................................ 31 Line Cycle Energy Accumulation Mode ................................. 33 Positive-Only Accumulation Mode ......................................... 33 No-Load Threshold.................................................................... 33 Reactive Power Calculation ...................................................... 33 Sign of Reactive Power Calculation ......................................... 35 Apparent Power Calculation..................................................... 35 Apparent Energy Calculation ................................................... 36 Line Apparent Energy Accumulation...................................... 37 Energies Scaling.......................................................................... 38 Calibrating an Energy Meter Based on the ADE7753........... 38 CLKIN Frequency ...................................................................... 48 Suspending ADE7753 Functionality ....................................... 48 Checksum Register..................................................................... 48 ADE7753 Serial Interface.......................................................... 49 ADE7753 Registers......................................................................... 52 ADE7753 Register Descriptions................................................... 55 Communications Register......................................................... 55 Mode Register (0x09)................................................................. 55 Interrupt Status Register (0x0B), Reset Interrupt Status Register (0x0C), Interrupt Enable Register (0x0A) .............. 57 CH1OS Register (0x0D)............................................................ 58 Outline Dimensions ....................................................................... 59 Ordering Guide .......................................................................... 59 |
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