MCP3910A1T-E/ML

Overview

The MCP3910A1T-E/ML is a two-channel analog front end (AFE) designed for energy metering applications. It features a 24-bit Sigma-Delta architecture with a sampling rate of 125 kS/s per channel. The device operates on a supply voltage ranging from 2.7 V to 3.6 V and includes an internal 1.2 V reference. It provides differential inputs and supports SPI, I2C, and 2-wire serial interfaces. Packaged in a QFN-20 form factor, it meets AEC-Q100 automotive qualification standards.

Feature Summary

• Integrates dual high-resolution analog-to-digital converters for simultaneous multi-phase measurement
• Includes an internal precision voltage reference to minimize external component requirements
• Supports multiple digital communication protocols including SPI and I2C for flexible system integration

Applications

• Three-phase energy metering systems
• Smart grid infrastructure monitoring
• Industrial power quality analysis equipment

Procurement Notes

Verify the specific suffix 'E/ML' confirms the QFN-20 package and tape-and-reel shipping format. Confirm that the 'A1' designation aligns with the required silicon revision and feature set. Ensure the automotive grade 'E' variant meets the target environmental operating temperature range of -40°C to +125°C for the intended application environment.

Selection Notes

Select this component when dual-channel high-precision metering is required within a compact footprint. The integrated internal reference simplifies board layout compared to external reference designs. Consider the QFN-20 thermal performance and soldering requirements during PCB design. Verify interface compatibility with the host microcontroller before finalizing the bill of materials.

Part Context

This part belongs to the MCP3910 family of energy metering AFEs. It shares architectural similarities with the MCP3911 but offers distinct pinout or configuration options. The 'T' suffix indicates reel packaging, while '/ML' specifies the QFN-20 package type. It serves as a specialized solution for accurate AC current and voltage signal conditioning.

Replacement Considerations

MCP3910A1-E/ML is a tube-packaged equivalent with identical electrical specifications. MCP3911A1T-E/ML offers similar functionality but may require schematic adaptation due to pin differences.