MCP3909 Energy Metering IC with SPI Interface and Active Power Pulse Output Features • Supports IEC 62053 International Energy Metering Specification • Digital Waveform Data Access Through SPI Interface - 16-bit Dual ADC Output Data Words - 20-bit Multiplier Output Data Word • Dual Functionality Pins Support Serial Interface Access and Simultaneous Active Power Pulse Output • Two 16-bit Second Order Delta-sigma Analogto-Digital Converters (ADCs) with Multi-bit DAC - 81 dB SINAD (typical) on Both Channels • 0.
1% Typical Active Energy Measurement Error Over 1000:1 Dynamic Range • PGA for Small Signal Input Supports Low Value Shunt Current Sensor • Ultra-low Drift On-chip Reference,15 ppm/°C ...

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