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MCP3905 Energy Meter Reference Design

The MCP3905 Energy Meter Reference Design is a stand-alone energy meter. It can act as either a stand alone energy meter, or as the analog front end design for LCD microcontroller based meters. The MCP3905 design is specified with an energy measurement error of 0.1% typical across 1:500 dynamic range for high accurate energy meter designs. This reference design is compliant with EMC requirements per energy metering standards IEC62053 and legacy IEC61036, IEC1046 and IEC687.

• Demonstration board is a ready to use single-chip energy meter
• Direct connection to line for energy meter, no transformers required
• On-board power supply circuitry
• Resistive network and Output LED for meter calibration
• Resistor shorts for gain and frequency selection

Energy/Power Measurement - Microchip