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ADE7763ARS Datasheet(PDF) 2 Page - Analog Devices |
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ADE7763ARS Datasheet(HTML) 2 Page - Analog Devices |
2 / 56 page ADE7763 Rev. A | Page 2 of 56 TABLE OF CONTENTS Specifications..................................................................................... 3 Timing Characteristics..................................................................... 5 Absolute Maximum Ratings............................................................ 6 ESD Caution.................................................................................. 6 Terminology ...................................................................................... 7 Pin Configuration and Function Descriptions............................. 8 Typical Performance Characteristics ........................................... 10 Theory of Operation ...................................................................... 13 Analog Inputs.............................................................................. 13 di/dt Current Sensor and Digital Integrator ........................... 14 Zero-Crossing Detection........................................................... 15 Period Measurement .................................................................. 16 Power Supply Monitor ............................................................... 16 Line Voltage Sag Detection ....................................................... 17 Peak Detection ............................................................................ 17 Interrupts..................................................................................... 18 Temperature Measurement ....................................................... 19 Analog-to-Digital Conversion.................................................. 19 Channel 1 ADC .......................................................................... 20 Channel 2 ADC .......................................................................... 22 Phase Compensation.................................................................. 24 Active Power Calculation .......................................................... 25 Energy Calculation..................................................................... 26 Power Offset Calibration ........................................................... 28 Energy-to-Frequency Conversion............................................ 28 Line Cycle Energy Accumulation Mode ................................. 30 Positive-Only Accumulation Mode ......................................... 30 No-Load Threshold.................................................................... 30 Apparent Power Calculation..................................................... 31 Apparent Energy Calculation ................................................... 32 Line Apparent Energy Accumulation...................................... 33 Energies Scaling.......................................................................... 34 Calibrating an Energy Meter .................................................... 34 CLKIN Frequency ...................................................................... 43 Suspending Functionality.......................................................... 44 Checksum Register..................................................................... 44 Serial Interface ............................................................................ 44 Registers........................................................................................... 47 Register Descriptions ..................................................................... 50 Communication Register .......................................................... 50 Mode Register (0x09)................................................................. 50 Interrupt Status Register (0x0B), Reset Interrupt Status Register (0x0C), Interrupt Enable Register (0x0A) ............... 52 CH1OS Register (0x0D)............................................................ 53 Outline Dimensions ....................................................................... 54 Ordering Guide .......................................................................... 54 REVISION HISTORY 10/04—Data Sheet Changed from Rev. 0 to Rev. A Changes to Period Measurement Section ..................................16 Changes to Temperature Measurement Section........................19 Change to Energy-to-Frequency Conversion Section..............28 Update to Figure 61 .......................................................................29 Change to Apparent Energy Calculation Section .....................32 Change to Description of AEHF and VAEHF Bits ...................52 4/04—Revision 0: Initial Version |
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