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The MCP3905-I/SS is a single-phase energy metering integrated circuit manufactured by Microchip Technology. It operates within a supply voltage range of 4.5 V to 5.5 V and consumes 2.7 mA of supply current. The device features a measurement error of 0.1% and an input impedance of 390 kΩ. It utilizes a 24-SSOP package with dimensions of 5.30 mm width. The component supports I/O voltages ranging from 0.85 V (low) to 2.4 V (high). It is designed for surface mount installation and functions reliably across a temperature range of -40°C to 85°C.
Verify the specific suffix against official documentation, as variations such as 'A' or 'LT' may indicate different automotive qualifications or temperature ranges. Confirm the package type matches the required PCB footprint. Ensure compatibility with the intended operating voltage and temperature constraints before finalizing procurement decisions.
Select this component for single-phase metering designs requiring high accuracy and automotive-grade reliability. Consider the 24-SSOP package size for space-constrained layouts. Verify that the supply voltage and I/O levels align with the system architecture. Evaluate thermal performance within the specified operating temperature range to ensure long-term stability in the target application environment.
This part belongs to the MCP3905 series of energy metering ICs from Microchip Technology. It is designed for precise power measurement in single-phase applications. The series includes variants with different automotive qualifications and packaging options. It integrates analog front-end capabilities tailored for energy metering tasks.
MCP3905A-I/SS: Verified alternative with similar specifications. MCP3906A-I/SS: Related single-phase variant. MCP3905L-I/SS: Alternative with potential qualification differences.