90E32 Datasheet, PDF (4/71 Pages) Integrated Device Technology – Poly-Phase High-Performance Wide-Span Energy Metering IC

90E32
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
5.2 PARTIAL MEASUREMENT MODE CALIBRATION ..................................................................................................................................... 28
6 REGISTER ........................................................................................................................................................................ 29
6.1 REGISTER LIST ............................................................................................................................................................................................ 29
6.2 SPECIAL REGISTERS .................................................................................................................................................................................. 36
6.2.1 Soft Reset Register ........................................................................................................................................................................ 36
6.2.2 IRQ and WarnOut Signal Generation ............................................................................................................................................ 37
6.2.3 Special Configuration Registers ................................................................................................................................................... 41
6.2.4 Last SPI Data Register ................................................................................................................................................................... 43
6.3 LOW-POWER MODES REGISTERS ............................................................................................................................................................ 44
6.3.1 Detection Mode Registers ............................................................................................................................................................. 44
6.3.2 Partial Measurement mode Registers .......................................................................................................................................... 46
6.4 CONFIGURATION AND CALIBRATION REGISTERS ................................................................................................................................ 49
6.4.1 Start Registers and Associated Checksum Operation Scheme ................................................................................................ 49
6.4.2 Configuration Registers ................................................................................................................................................................ 49
6.4.3 Energy Calibration Registers ........................................................................................................................................................ 53
6.4.4 Fundamental/Harmonic Energy Calibration registers ................................................................................................................ 55
6.4.5 Measurement Calibration .............................................................................................................................................................. 55
6.5 ENERGY REGISTER .................................................................................................................................................................................... 56
6.5.1 Regular Energy Registers ............................................................................................................................................................. 56
6.5.2 Fundamental / Harmonic Energy Register ................................................................................................................................... 57
6.6 MEASUREMENT REGISTERS ..................................................................................................................................................................... 57
6.6.1 Power and Power Factor Registers .............................................................................................................................................. 57
6.6.2 Fundamental/ Harmonic Power and Voltage/ Current RMS Registers ...................................................................................... 58
6.6.3 THD+N, Frequency, Angle and Temperature Registers ............................................................................................................. 59
7 ELECTRICAL SPECIFICATION ....................................................................................................................................... 61
7.1 ELECTRICAL SPECIFICATION ................................................................................................................................................................... 61
7.2 METERING/ MEASUREMENT ACCURACY ................................................................................................................................................ 63
7.2.1 Metering Accuracy ......................................................................................................................................................................... 63
7.2.2 Measurement Accuracy ................................................................................................................................................................. 64
7.3 INTERFACE TIMING ..................................................................................................................................................................................... 65
7.3.1 SPI Interface Timing (Slave Mode) ................................................................................................................................................ 65
7.4 POWER ON RESET TIMING ........................................................................................................................................................................ 66
7.5 ZERO-CROSSING TIMING ........................................................................................................................................................................... 67
7.6 VOLTAGE SAG AND PHASE LOSS TIMING .............................................................................................................................................. 68
7.7 ABSOLUTE MAXIMUM RATING .................................................................................................................................................................. 69
PACKAGE DIMENSIONS...................................................................................................................................................... 70
ORDERING INFORMATION.................................................................................................................................................. 71
DATASHEET DOCUMENT HISTORY................................................................................................................................... 71
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December 9, 2011