MCP3918A1T-E/SS

Overview

The MCP3918A1T-E/SS is a single-channel analog front end designed for energy metering applications. It features a 24-bit resolution and supports sampling rates up to 125 kS/s. The device operates on a supply voltage range of 2.7 V to 3.6 V and includes Sigma-Delta converters with differential inputs. Communication is facilitated via I2C or SPI interfaces. It is housed in an SSOP-20 package and meets AEC-Q100 automotive qualification standards.

Feature Summary

• Integrates high-resolution analog-to-digital conversion for precise energy measurement
• Supports flexible digital communication through standard serial interfaces
• Designed for robust operation within extended industrial temperature ranges

Applications

• Single-phase energy metering systems
• Automotive power monitoring circuits
• Industrial utility metering devices

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm tape-and-reel packaging and exact electrical characteristics. Ensure compatibility with system voltage levels and interface requirements before integration. Cross-reference part numbers to distinguish between tube and reel variants within the same family.

Selection Notes

Select this component for applications requiring a single-channel, high-precision analog front end with automotive reliability. Consider the SSOP-20 package constraints and verify that the required sampling rate and resolution meet the specific metering accuracy needs of the design.

Part Context

This part belongs to the MCP3918 series of analog front ends from Microchip Technology. It is specifically engineered for energy metering tasks, offering integrated signal conditioning and digitization. The series provides solutions for both commercial and automotive sectors, emphasizing accuracy and low power consumption.

Replacement Considerations

MCP3918A1-E/SS is the non-tape variant of this component. Verify functional equivalence if substituting based on packaging requirements.