MCP3909
Overview
- 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)
- Direct Drive for Electromagnetic Mechanical Counter and Two-phase Stepper Motors
- Low IDD of 4 mA (maximum)
- Tamper Output Pin for Negative Power Indication
