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MCP3909

Microchip Technology
Part Number MCP3909
Manufacturer Microchip Technology
Description Energy Metering IC
Published Nov 29, 2009
Detailed Description MCP3909 Energy Metering IC with SPI Interface and Active Power Pulse Output Features • Supports IEC 62053 Internationa...
Datasheet PDF File MCP3909 PDF File

MCP3909
MCP3909

Overview
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 (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 • Temperature Ranges: - Industrial: -40°C to +85°C - Extended: -40°C to +125°C Description The MCP390...


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