Details, datasheet, quote on part number: EVAL-ADE7753ZEB
PartEVAL-ADE7753ZEB
Category
TitleBOARD EVALUATION AD7753
Description
CompanyAnalog Devices
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ADE7753ARSZRL: IC ENERGY METERING 1PHASE 20SSOP
ADE7753ARSZ

 

Features, Applications
Single-Phase Multifunction Metering IC with di/dt Sensor Interface ADE7753
FEATURES

High accuracy; supports IEC 60687/61036/61268 and IEC 62053-21/62053-22/62053-23 On-chip digital integrator enables direct interface to current sensors with di/dt output A PGA in the current channel allows direct interface to shunts and current transformers Active, reactive, and apparent energy; sampled waveform; current and voltage rms Less than 0.1% error in active energy measurement over a dynamic range at 25°C Positive-only energy accumulation mode available On-chip user programmable threshold for line voltage surge and SAG and PSU supervisory Digital calibration for power, phase, and input offset On-chip temperature sensor (±3°C typical) SPI® compatible serial interface Pulse output with programmable frequency Interrupt request pin (IRQ) and status register Reference 2.4 V with external overdrive capability Single 5 V supply, low power (25 mW typical)

line-voltage period measurement, and rms calculation on the voltage and current. The selectable on-chip digital integrator provides direct interface to di/dt current sensors such as Rogowski coils, eliminating the need for an external analog integrator and resulting in excellent long-term stability and precise phase matching between the current and voltage channels. The ADE7753 provides a serial interface to read data, and a pulse output frequency (CF), which is proportional to the active power. Various system calibration features, i.e., channel offset correction, phase calibration, and power calibration, ensure high accuracy. The part also detects short duration low or high voltage variations. The positive-only accumulation mode gives the option to accumulate energy only when positive power is detected. An internal no-load threshold ensures that the part does not exhibit any creep when there is no load. The zero-crossing output (ZX) produces a pulse that is synchronized to the zero-crossing point of the line voltage. This signal is used internally in the line cycle active and apparent energy accumulation modes, which enables faster calibration. The interrupt status register indicates the nature of the interrupt, and the interrupt enable register controls which event produces an output on the IRQ pin, an open-drain, active low logic output. The ADE7753 is available a 20-lead SSOP package.

The ADE77531 features proprietary ADCs and DSP for high accuracy over large variations in environmental conditions and time. The ADE7753 incorporates two second-order 16-bit - ADCs, a digital integrator (on CH1), reference circuitry, temperature sensor, and all the signal processing required to perform active, reactive, and apparent energy measurements,

AVDD PGA V1P ADC V1N HPF1 TEMP SENSOR 2 dt RESET INTEGRATOR MULTIPLIER

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners.

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ADE7753 Material Declaration PCN-PDN Information Quality And Reliability Symbols and Footprints

Application Notes AN-564: A Power Meter Reference Design Based on the ADE7756 AN-639: Frequently Asked Questions (FAQs) Analog Devices Energy (ADE) Products AN-758: Creating a Reactive Energy Pulse Output Based on the ADE7753 Data Sheet ADE7753: Single-Phase Multifunction Metering IC with di/ dt Sensor Interface Data Sheet

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Solutions Bulletins & Brochures Emerging Energy Applications Solutions Bulletin, Volume 10, Issue 4 Technical Articles Current Sensing for Energy Metering Digital Energy Meters by the Millions Energy measurement ICs Simplify Meter Design How Solid Is Your Solid-State Energy Meter? Not All Ics Are Created Equal. IC Technology and Failure Mechanisms - Understanding Reliability Standards Can Raise Quality of Meters Measuring Harmonic Energy with a Solid State Energy Meter Measuring Reactive Power in Energy Meters Reactive Energy Measurement Made Simple RF Meets Power Lines: Designing Intelligent Smart Grid Systems that Promote Energy Efficiency Solid State Solutions For Electricity Metrology Tapping The Potential Of Electronic Energy Metering Trusting Integrated Circuits in Metering Applications

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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 57 CH1OS Register (0x0D)............................................................ 58 Outline Dimensions....................................................................... 59 Ordering Guide.......................................................................... 59


 

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