LTC1966HMS8#TRPBF

Overview

The LTC1966HMS8#TRPBF is a true RMS-to-DC converter manufactured by Analog Devices Inc. It utilizes patented delta-sigma computational technology to achieve high accuracy and low power consumption. The device accepts single-ended or differential inputs with rail-to-rail common-mode voltage range and supports peak factors 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 a low supply current of 155µA and an ultra-low shutdown current of 0.1µA. It is housed in an 8-lead MSOP package.

Feature Summary

• Employs delta-sigma computational technique for true RMS-to-DC conversion
• Provides rail-to-rail input and output capabilities with independent output reference pin
• Supports both single-ended and differential input configurations for EMI/RFI suppression
• Features low power operation with dedicated shutdown mode

Applications

• True RMS digital multimeters
• Panel meters requiring AC+DC measurement
• Portable instrumentation systems

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. Ensure the part number matches the exact specification for the 8-MSOP package variant. Check for any product change notifications that may affect performance parameters. Validate RoHS compliance status through official documentation before integration.

Selection Notes

Select this component for applications requiring precise RMS conversion with minimal external calibration. The delta-sigma architecture offers superior linearity compared to traditional log-antilog converters. Consider the low supply current for battery-operated designs. The flexible input options allow adaptation to various signal sources without additional conditioning circuits.

Part Context

This part belongs to the LTC1966 series of precision RMS-to-DC converters. It is designed for high-performance analog signal processing tasks. The device integrates advanced computational techniques into a compact surface-mount package. It serves as a specialized power management and signal conditioning IC within the broader PMIC category.

Replacement Considerations

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