MCP3910A1-E/SS

Overview

The MCP3910A1-E/SS is a two-channel analog front end (AFE) designed for energy metering applications, manufactured by Microchip Technology. It operates on a single 2.7 V to 3.6 V supply voltage and features a 24-bit Sigma-Delta architecture with a sampling rate of 125 kS/s. The device provides differential inputs and utilizes an internal 1.2 V reference voltage, achieving a signal-to-noise ratio of 94 dB. Communication is handled via a serial SPI interface. It is qualified under AEC-Q100 standards and housed in a 20-pin SSOP package, operating within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates dual high-precision channels for simultaneous measurement
• Supports automotive reliability through AEC-Q100 qualification
• Utilizes sigma-delta conversion for high-resolution data acquisition
• Features integrated differential input stages and internal reference

Applications

• Energy metering systems
• Automotive power monitoring
• Industrial sensor interfaces

Procurement Notes

Verify the specific suffix 'E/SS' to ensure the correct SSOP-20 package variant is selected, as other suffixes indicate different physical footprints. Confirm that the order quantity aligns with the manufacturer's reel packaging requirements, which typically mandate minimum order quantities in multiples of 1600 units. Ensure compliance with moisture sensitivity level handling procedures during storage and assembly.

Selection Notes

Select this component when a compact solution for dual-channel energy monitoring is required in space-constrained designs. The SSOP-20 package offers a surface-mount footprint suitable for automated assembly processes. Consider the 2.7 V to 3.6 V supply range compatibility with existing system power rails. Verify that the SPI interface timing requirements match the host microcontroller capabilities.

Part Context

This part belongs to the MCP3910 series of analog front ends from Microchip Technology. It serves as a specialized data converter IC focused on precision measurement tasks. The series is designed to simplify the design of multi-channel measurement systems by integrating necessary front-end conditioning components directly onto the silicon die.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.