71M6511-IGT/F

Overview

The 71M6511-IGT/F is a single-phase energy metering System on Chip (SoC) from the Teridian 71M6x01 series, manufactured by Analog Devices Inc./Maxim Integrated. It integrates a 5MHz 8051-compatible MPU core with a low-power real-time clock featuring digital temperature compensation. The device utilizes Single Converter Technology with a 22-bit Delta-Sigma ADC and includes flash memory and an LCD driver. It operates within a supply voltage range of 3V to 3.6V and supports an operating temperature range of -40°C to 85°C in a 64-LQFP package.

Feature Summary

• Integrates a 5MHz 8051-compatible microprocessor unit core for efficient data processing and control logic execution within metering applications.
• Employs Single Converter Technology utilizing a high-resolution 22-bit Delta-Sigma analog-to-digital converter for precise signal acquisition.
• Includes a dedicated low-power real-time clock with digital temperature compensation to maintain accurate timekeeping without external components.
• Features integrated flash memory and an LCD driver interface to support field-programmable code storage and direct display driving capabilities.

Applications

• Residential single-phase electricity metering systems
• Smart grid metering infrastructure requiring ANSI and IEC compliance
• Energy monitoring devices utilizing LCD visual interfaces

Procurement Notes

Verify the specific suffix and full part number against official Analog Devices or Maxim Integrated documentation to ensure compatibility with design requirements. Confirm current product status as distribution channels may list discontinued items. Cross-reference datasheet revisions to validate electrical characteristics and pinout configurations before integration into final hardware designs.

Selection Notes

Select this component for applications requiring integrated metering, processing, and display driving in a single package. Ensure the system design accommodates the specified 3V to 3.6V supply voltage range. Verify that the 64-LQFP surface mount package fits the available PCB footprint constraints. Consider the 5MHz processor speed sufficient for the intended firmware complexity and sampling rates required by the application standards.

Part Context

This device belongs to the Teridian 71M6x01 family of fourth-generation single-phase metering SoCs. These chips are designed to reduce bill of materials costs by integrating multiple functions typically found in separate components. The family supports various analog input configurations and communication interfaces to meet global utility standards.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer resources for legacy replacement options or updated series equivalents if this specific variant is unavailable.