Datasheet ADE7753 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Single-Phase Multifunction Metering IC with di/dt Sensor Interface |
| Seiten / Seite | 60 / 2 — ADE7753. TABLE OF CONTENTS |
| Revision | C |
| Dateiformat / Größe | PDF / 736 Kb |
| Dokumentensprache | Englisch |
ADE7753. TABLE OF CONTENTS
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ADE7753 TABLE OF CONTENTS
Features .. 1 Energy Calculation ... 29 General Description ... 1 Power Offset Calibration ... 31 Functional Block Diagram .. 1 Energy-to-Frequency Conversion.. 31 Revision History ... 3 Line Cycle Energy Accumulation Mode ... 33 Specifications ... 4 Positive-Only Accumulation Mode ... 33 Timing Characteristics ... 6 No-Load Threshold .. 33 Absolute Maximum Ratings .. 7 Reactive Power Calculation .. 33 ESD Caution .. 7 Sign of Reactive Power Calculation ... 35 Terminology .. 8 Apparent Power Calculation ... 35 Pin Configuration and Function Descriptions ... 9 Apparent Energy Calculation ... 36 Typical Performance Characteristics ... 11 Line Apparent Energy Accumulation .. 37 Theory of Operation .. 16 Energies Scaling .. 38 Analog Inputs .. 16 Calibrating an Energy Meter Based on the ADE7753 ... 38 di/dt Current Sensor and Digital Integrator ... 17 CLKIN Frequency .. 48 Zero-Crossing Detection ... 18 Suspending ADE7753 Functionality ... 48 Period Measurement .. 19 Checksum Register... 48 Power Supply Monitor ... 19 ADE7753 Serial Interface .. 49 Line Voltage Sag Detection ... 19 ADE7753 Registers ... 52 Peak Detection .. 20 ADE7753 Register Descriptions ... 55 ADE7753 Interrupts ... 21 Communications Register ... 55 Temperature Measurement ... 22 Mode Register (0x09) ... 55 ADE7753 Analog-to-Digital Conversion .. 22 Interrupt Status Register (0x0B), Reset Interrupt Status Channel 1 ADC .. 23 Register (0x0C), Interrupt Enable Register (0x0A) .. 57 Channel 2 ADC .. 25 CH1OS Register (0x0D) .. 58 Phase Compensation .. 27 Outline Dimensions ... 59 Active Power Calculation .. 28 Ordering Guide .. 59 Rev. C | Page 2 of 60 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION TERMINOLOGY PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUTS di/dt CURRENT SENSOR AND DIGITAL INTEGRATOR ZERO-CROSSING DETECTION Zero-Crossing Timeout PERIOD MEASUREMENT POWER SUPPLY MONITOR LINE VOLTAGE SAG DETECTION Sag Level Set PEAK DETECTION Peak Level Set Peak Level Record ADE7753 INTERRUPTS Using the ADE7753 Interrupts with an MCU Interrupt Timing TEMPERATURE MEASUREMENT ADE7753 ANALOG-TO-DIGITAL CONVERSION Antialias Filter ADC Transfer Function ADE7753 Reference Circuit CHANNEL 1 ADC Channel 1 Sampling Channel 1 RMS Calculation Channel 1 RMS Offset Compensation CHANNEL 2 ADC Channel 2 Sampling Channel 2 RMS Calculation Channel 2 RMS Offset Compensation PHASE COMPENSATION ACTIVE POWER CALCULATION ENERGY CALCULATION Integration Time under Steady Load POWER OFFSET CALIBRATION ENERGY-TO-FREQUENCY CONVERSION LINE CYCLE ENERGY ACCUMULATION MODE POSITIVE-ONLY ACCUMULATION MODE NO-LOAD THRESHOLD REACTIVE POWER CALCULATION SIGN OF REACTIVE POWER CALCULATION APPARENT POWER CALCULATION Apparent Power Offset Calibration APPARENT ENERGY CALCULATION Integration Times under Steady Load LINE APPARENT ENERGY ACCUMULATION ENERGIES SCALING CALIBRATING AN ENERGY METER BASED ON THE ADE7753 Watt Gain Calibrating Watt Gain Using a Reference Meter Example Calibrating Watt Gain Using an Accurate Source Example Watt Offset Calibrating Watt Offset Using a Reference Meter Example Calibrating Watt Offset with an Accurate Source Example Phase Calibration Calibrating Phase Using a Reference Meter Example Calibrating Phase with an Accurate Source Example VRMS and IRMS Calibration Apparent Energy Reactive Energy CLKIN FREQUENCY SUSPENDING ADE7753 FUNCTIONALITY CHECKSUM REGISTER ADE7753 SERIAL INTERFACE ADE7753 Serial Write Operation ADE7753 Serial Read Operation ADE7753 REGISTERS ADE7753 REGISTER DESCRIPTIONS COMMUNICATIONS REGISTER MODE REGISTER (0x09) INTERRUPT STATUS REGISTER (0x0B), RESET INTERRUPT STATUS REGISTER (0x0C), INTERRUPT ENABLE REGISTER (0x0A) CH1OS REGISTER (0x0D) OUTLINE DIMENSIONS ORDERING GUIDE
ADE7753 TABLE OF CONTENTS
Features .. 1 Energy Calculation ... 29 General Description ... 1 Power Offset Calibration ... 31 Functional Block Diagram .. 1 Energy-to-Frequency Conversion.. 31 Revision History ... 3 Line Cycle Energy Accumulation Mode ... 33 Specifications ... 4 Positive-Only Accumulation Mode ... 33 Timing Characteristics ... 6 No-Load Threshold .. 33 Absolute Maximum Ratings .. 7 Reactive Power Calculation .. 33 ESD Caution .. 7 Sign of Reactive Power Calculation ... 35 Terminology .. 8 Apparent Power Calculation ... 35 Pin Configuration and Function Descriptions ... 9 Apparent Energy Calculation ... 36 Typical Performance Characteristics ... 11 Line Apparent Energy Accumulation .. 37 Theory of Operation .. 16 Energies Scaling .. 38 Analog Inputs .. 16 Calibrating an Energy Meter Based on the ADE7753 ... 38 di/dt Current Sensor and Digital Integrator ... 17 CLKIN Frequency .. 48 Zero-Crossing Detection ... 18 Suspending ADE7753 Functionality ... 48 Period Measurement .. 19 Checksum Register... 48 Power Supply Monitor ... 19 ADE7753 Serial Interface .. 49 Line Voltage Sag Detection ... 19 ADE7753 Registers ... 52 Peak Detection .. 20 ADE7753 Register Descriptions ... 55 ADE7753 Interrupts ... 21 Communications Register ... 55 Temperature Measurement ... 22 Mode Register (0x09) ... 55 ADE7753 Analog-to-Digital Conversion .. 22 Interrupt Status Register (0x0B), Reset Interrupt Status Channel 1 ADC .. 23 Register (0x0C), Interrupt Enable Register (0x0A) .. 57 Channel 2 ADC .. 25 CH1OS Register (0x0D) .. 58 Phase Compensation .. 27 Outline Dimensions ... 59 Active Power Calculation .. 28 Ordering Guide .. 59 Rev. C | Page 2 of 60 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION TERMINOLOGY PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ANALOG INPUTS di/dt CURRENT SENSOR AND DIGITAL INTEGRATOR ZERO-CROSSING DETECTION Zero-Crossing Timeout PERIOD MEASUREMENT POWER SUPPLY MONITOR LINE VOLTAGE SAG DETECTION Sag Level Set PEAK DETECTION Peak Level Set Peak Level Record ADE7753 INTERRUPTS Using the ADE7753 Interrupts with an MCU Interrupt Timing TEMPERATURE MEASUREMENT ADE7753 ANALOG-TO-DIGITAL CONVERSION Antialias Filter ADC Transfer Function ADE7753 Reference Circuit CHANNEL 1 ADC Channel 1 Sampling Channel 1 RMS Calculation Channel 1 RMS Offset Compensation CHANNEL 2 ADC Channel 2 Sampling Channel 2 RMS Calculation Channel 2 RMS Offset Compensation PHASE COMPENSATION ACTIVE POWER CALCULATION ENERGY CALCULATION Integration Time under Steady Load POWER OFFSET CALIBRATION ENERGY-TO-FREQUENCY CONVERSION LINE CYCLE ENERGY ACCUMULATION MODE POSITIVE-ONLY ACCUMULATION MODE NO-LOAD THRESHOLD REACTIVE POWER CALCULATION SIGN OF REACTIVE POWER CALCULATION APPARENT POWER CALCULATION Apparent Power Offset Calibration APPARENT ENERGY CALCULATION Integration Times under Steady Load LINE APPARENT ENERGY ACCUMULATION ENERGIES SCALING CALIBRATING AN ENERGY METER BASED ON THE ADE7753 Watt Gain Calibrating Watt Gain Using a Reference Meter Example Calibrating Watt Gain Using an Accurate Source Example Watt Offset Calibrating Watt Offset Using a Reference Meter Example Calibrating Watt Offset with an Accurate Source Example Phase Calibration Calibrating Phase Using a Reference Meter Example Calibrating Phase with an Accurate Source Example VRMS and IRMS Calibration Apparent Energy Reactive Energy CLKIN FREQUENCY SUSPENDING ADE7753 FUNCTIONALITY CHECKSUM REGISTER ADE7753 SERIAL INTERFACE ADE7753 Serial Write Operation ADE7753 Serial Read Operation ADE7753 REGISTERS ADE7753 REGISTER DESCRIPTIONS COMMUNICATIONS REGISTER MODE REGISTER (0x09) INTERRUPT STATUS REGISTER (0x0B), RESET INTERRUPT STATUS REGISTER (0x0C), INTERRUPT ENABLE REGISTER (0x0A) CH1OS REGISTER (0x0D) OUTLINE DIMENSIONS ORDERING GUIDE