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78M6610LMU 参数 Datasheet PDF下载

78M6610LMU图片预览
型号: 78M6610LMU
PDF下载: 下载PDF文件 查看货源
内容描述: 电能计量处理器的负荷监测单位 [Energy Measurement Processor for Load Monitoring Units]
分类和应用: 监控
文件页数/大小: 63 页 / 1710 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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78M6610+LMU Data Sheet  
Table of Contents  
Electrical Specifications.............................................................................................................................5  
Absolute Maximum Ratings ..................................................................................................................5  
Recommended External Components..................................................................................................5  
Recommended Operating Conditions...................................................................................................5  
Performance Specifications ..................................................................................................................6  
Input Logic Levels .......................................................................................................................6  
Output Logic Levels ....................................................................................................................6  
Supply Current ............................................................................................................................6  
Crystal Oscillator .........................................................................................................................6  
Internal RC Oscillator..................................................................................................................6  
ADC Converter, V3P3 Referenced................................................................................................7  
Timing Specifications............................................................................................................................8  
Reset...........................................................................................................................................8  
SPI Slave Port.............................................................................................................................8  
I2C Slave Port (Note 1)................................................................................................................9  
Pin Configuration......................................................................................................................................10  
Package Information...........................................................................................................................11  
On-Chip Resources Overview .................................................................................................................12  
IC Block Diagram ................................................................................................................................12  
Clock Management.............................................................................................................................13  
Power-On and Reset Circuitry ............................................................................................................14  
Watchdog Timer..................................................................................................................................14  
Analog Front-End and Conversion .....................................................................................................15  
24-Bit Energy Measurement Processor (EMP)...................................................................................15  
Flash and RAM..........................................................................................................................15  
Multipurpose DIOs ..............................................................................................................................15  
Communication Interface ..........................................................................................................15  
Functional Description and Operation....................................................................................................16  
Measurement Interface.......................................................................................................................16  
AFE Input Multiplexer................................................................................................................16  
High Pass Filters and Offset Removal ......................................................................................17  
Gain Correction .........................................................................................................................18  
Die Temperature Compensation...............................................................................................18  
Phase Compensation................................................................................................................19  
Voltage Input Configuration.......................................................................................................20  
Current Input Configuration.......................................................................................................23  
Data Refresh Rates ............................................................................................................................26  
Scaling Registers................................................................................................................................26  
Calibration...........................................................................................................................................27  
Voltage and Current Gain Calibration .......................................................................................27  
Offset Calibration ......................................................................................................................27  
Die Temperature Calibration.....................................................................................................27  
Voltage Channel Measurements ........................................................................................................28  
Quadrature Voltage...................................................................................................................28  
Voltage Frequency....................................................................................................................28  
Peak Voltage.............................................................................................................................28  
RMS Voltage .............................................................................................................................28  
Current Channel Measurements.........................................................................................................29  
Peak Current .............................................................................................................................29  
RMS Current .............................................................................................................................30  
Crest Factor...............................................................................................................................30  
Power Calculations .............................................................................................................................31  
Active Power (P) .......................................................................................................................31  
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