MCP3910A1-E/ML

Overview

The MCP3910A1-E/ML is a dual-channel analog front end designed for energy metering applications. It integrates two 24-bit sigma-delta analog-to-digital converters with a sampling rate of 125 kS/s. The device operates on a supply voltage ranging from 2.7 V to 3.6 V and features differential inputs. It supports serial communication via SPI interfaces. The component is housed in a QFN-20 package and is qualified under AEC-Q100 standards, ensuring reliability for automotive environments.

Feature Summary

• Integrates dual high-resolution sigma-delta ADCs for precise simultaneous channel measurement
• Includes integrated signal conditioning and programmable gain amplifiers for direct sensor interfacing
• Provides digital calibration capabilities to minimize offset and gain errors across temperature ranges

Applications

• Automotive electric vehicle charging stations
• Smart grid electricity meters
• Industrial power monitoring systems

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm pinout compatibility and electrical characteristics. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference the datasheet revision date to validate feature availability and operating conditions before finalizing procurement specifications.

Selection Notes

Select this component when dual-channel simultaneous sampling is required for three-phase or split-phase metering architectures. Consider the QFN-20 footprint constraints and thermal dissipation requirements during board design. Verify that the system interface logic levels are compatible with the SPI communication protocol defined in the technical specifications.

Part Context

This part belongs to the MCP391x family of analog front ends optimized for utility metering. It shares architectural similarities with single-channel variants like the MCP3918 but provides additional processing channels. The series is characterized by high accuracy and low power consumption suitable for battery-operated or energy-constrained metering devices.

Replacement Considerations

The MCP3910BA1-E/ML is listed as an alias for this component. Verify functional equivalence through official cross-reference documents before substitution.