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78M6631 Даташит

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78M6631
MaximIC
Maxim Integrated MaximIC
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  2012_04  
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DESCRIPTION
The Teridian™ 78M6631 is a highly integrated 3-phase power measurement and monitoring system-on-chip (SoC), with a 10 MHz 8051-compatible MPU core and Single Converter Technology® containing a 22-bit deltasigma converter and 32-bit compute engine (CE). The 78M6631 has been designed specifically for a wide variety of applications requiring 3-phase power and quality measurements. It supports both Delta and Wye configurations.

FEATURES
• < 0.5% Watt Accuracy Over 2000:1 Current Range and Over Temperature
• Exceeds IEC 62053/ANSI C12.20 Standards
• Voltage Reference < 40 ppm/°C
• Six Analog Inputs Supporting 3-Phase Voltage and Current Measurement Inputs
• Pin- or Biselectable Delta or Wye Configuration
• 22-Bit Delta-Sigma ADC with Independent 32- Bit Compute Engine (CE)
• 8-Bit MPU (80515), One Clock Cycle per Instruction with 4 KB MPU XRAM
• 128 KB Flash with Security
• 32 kHz Time Base with Hardware Watchdog Timer
• UART, I2C, and High-Speed Slave SPI Host Interface Options
• 17 General-Purpose 5 V Tolerant I/O Pins
• Packaged in a RoHS-Compliant (6/6) Lead(Pb)-Free 56-Pin TQFN
• Application Firmware Includes (per Phase):
    o True RMS Current and Voltage Calculations
    o Active, Reactive, Apparent, Fundamental, and Harmonic Power Calculations
    o Fundamental and Harmonic Current and Voltage Calculations
    o Line Frequency and Power Factor Calculations
    o Phase Compensation (18 at 60 Hz)
    o Built-In Calibration Routines
    o Programmable Alarm Thresholds
    o Command Line (UART) Communications
    o High-Speed SPI Communications

 

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