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MCP3905

Microchip Technology
Part Number MCP3905
Manufacturer Microchip Technology
Description (MCP3905 / MCP3906) Energy-Metering ICs
Published Nov 29, 2009
Detailed Description Obsolete Device Replacement Device: MCP3905A/MCP3906A MCP3905/06 Energy-Metering ICs with Active (Real) Power Pulse Out...
Datasheet PDF File MCP3905 PDF File

MCP3905
MCP3905

Overview
Obsolete Device Replacement Device: MCP3905A/MCP3906A MCP3905/06 Energy-Metering ICs with Active (Real) Power Pulse Output Features • Supplies active (real) power measurement for single-phase, residential energy-metering • Supports the IEC 62053 International Energy Metering Specification and legacy IEC 1036/ 61036/687 Specifications • Two multi-bit, Digital-to-Analog Converters (DACs), second-order, 16-bit, Delta-Sigma Analog-to-Digital Converters (ADCs) • 0.
1% typical measurement error over 500:1 dynamic range (MCP3905) • 0.
1% typical measurement error over 1000:1 dynamic range (MCP3906) • Programmable Gain Amplifier (PGA) for smallsignal inputs supports low-value shunt current sensor - 16:1 PGA - MCP3905 - 32:1 PGA - MCP3906 • 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 (typical) • Tamper output pin for negative power indication • Industrial Temperature Range: -40°C to +8...


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