Datasheet ADE9000 (Analog Devices) - 3

Data Sheet ADE9000 TYPICAL APPLICATIONS CIRCUIT PHASE A PHASE B PHASE C NEUTRAL ADE9000 1.25V REFERENCE CLKIN IAP DIGITAL BLOCK ANTI- CLKOUT PGA ADC ALIASING IAN FILTER SINC + DECIMATION RESET VAP IRQ0 ANTI- EVENT ALIASING PGA ADC DSP ENGINE VAN INTERRUPTS IRQ1 FILTER TOTAL AND FUNDAMENTAL: IBP ANTI- (IRMS, VRMS, ACTIVE, ALIASING REACTIVE, IBN FILTER APPARENT POWER AND ENERGY) CF1 VBP VTHD, ITHD, FREQUENCY, ANTI- PHASE ANGLE, DIGITAL TO CF2 ALIASING PGA ADC POWER FACTOR, VBN FILTER FREQUENCY VPEAK, IPEAK, DIP, CONVERSION SWELL, OVERCURRENT, CF3/ZX ICP (CF) FAST RMS, ANTI- 10 CYCLE RMS/ ALIASING PGA ADC CF4/EVENT/DREADY 12 CYCLE RMS, ICN FILTER PHASE SEQ ERROR. VCP ANTI- USER ACCESSIBLE ALIASING PGA ADC REGISTERS VCN SS FILTER SPI SCLK INP RESAMPLING INTERFACE MISO ANTI- ENGINE ALIASING PGA ADC MOSI INN FILTER D D D TEMP LOA LOA LOA SAR WAVEFORM BUFFER SENSOR GND (32kSPS, 8kSPS ADC SAMPLES OR RESAMPLED DATA)
001 15210- Figure 1. Rev. A | Page 3 of 72 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION REVISION HISTORY TYPICAL APPLICATIONS CIRCUIT SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS ENERGY LINEARITY OVER SUPPLY AND TEMPERATURE ENERGY ERROR OVER FREQUENCY AND POWER FACTOR ENERGY LINEARITY REPEATABILITY RMS LINEARITY OVER TEMPERATURE AND RMS ERROR OVER FREQUENCY ENERGY AND RMS LINEARITY WITH INTEGRATOR ON ENERGY AND RMS ERROR OVER FREQUENCY WITH INTEGRATOR ON SIGNAL-TO-NOISE RATIO PERFORMANCE TEST CIRCUIT TERMINOLOGY THEORY OF OPERATION MEASUREMENTS Current Channel ADC_REDIRECT Multiplexer Current Channel Gain, xIGAIN IB Calculation Using ICONSEL High-Pass Filter Digital Integrator Phase Compensation Multipoint Phase and Gain Calibration Voltage Channel RMS and Power Measurements Total and Fundamental RMS Total and Fundamental Active Power Total and Fundamental Reactive Power Total and Fundamental Apparent Power No Load Detection, Energy Accumulation, and Power Accumulation Features No Load Detection Feature Energy Accumulation Power Accumulation Digital to Frequency Conversion—CFx Output Energy and Phase Selection Configuring the CFx Pulse Width CFx Pulse Sign Clearing the CFx Accumulator POWER QUALITY MEASUREMENTS Zero-Crossing Detection CF3/ZX Zero-Crossing Timeout Line Period Calculation Angle Measurement Phase Sequence Error Detection Fast RMS½ Measurement 10 Cycle RMS/12 Cycle RMS Dip and Swell Indication Overcurrent Indication Peak Detection Power Factor Total Harmonic Distortion (THD) Resampling 128 Points per Cycle Temperature WAVEFORM BUFFER INTERRUPTS/EVENTS ACCESSING ON-CHIP DATA SPI PROTOCOL OVERVIEW ADDITIONAL COMMUNICATION VERIFICATION REGISTERS CRC OF CONFIGURATION REGISTERS CONFIGURATION LOCK REGISTER MAP REGISTER DETAILS OUTLINE DIMENSIONS ORDERING GUIDE