MCP3909 Overview
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MCP3909 Key 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 (typical)