LTC1966MPMS8#TRPBF

Overview

The LTC1966MPMS8#TRPBF is a precision micro-power true RMS-to-DC converter manufactured by Analog Devices Inc. It utilizes patented delta-sigma computational technology to deliver high accuracy and low power consumption. The device accepts single-ended or differential inputs with a peak factor capability of up to 4. It operates on a single supply voltage ranging from 2.7V to 5.5V, or dual supplies up to ±5.5V. The component features rail-to-rail output with an independent reference pin for flexible level shifting. It is housed in an 8-lead MSOP package suitable for portable applications.

Feature Summary

• Implements delta-sigma computational technique for true RMS-to-DC conversion
• Supports single-ended or differential input signals for EMI/RFI suppression
• Features rail-to-rail output with independent output reference pin

Applications

• True RMS digital multimeters and panel meters
• AC+DC measurement systems
• Portable instrumentation requiring low power consumption

Procurement Notes

Verify the specific suffix MPMS8 against official Analog Devices documentation to confirm temperature range and performance grade. Ensure the ordering part number matches the required package type and tape/reel specifications. Cross-reference the manufacturer datasheet LT1966 to validate all electrical parameters before integration into design specifications.

Selection Notes

Select this component for applications requiring precise AC+DC measurements with minimal power usage. The delta-sigma architecture provides superior linearity compared to traditional log-antilog converters. Consider the wide common-mode input range and flexibility of single or dual power supply operation when designing the signal conditioning circuitry.

Part Context

This part belongs to the LTC1966 family of precision RMS-to-DC converters. The series is designed for high accuracy and ease of use in measurement systems. The specific model variant indicates the package configuration and manufacturing batch details provided by Analog Devices Inc.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs using the official datasheet specifications.