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LTC1967IMS8

LTC1967IMS8 Description

The LTC1967IMS8 from Analog Devices Inc. is a high-precision RMS-to-DC converter designed for accurate measurement of true RMS voltage in AC signals. Packaged in an 8-pin MSOP and rated for surface-mount applications, this IC operates within a 4.5V to 5.5V supply range, drawing a low 320 µA supply current. Although now classified as obsolete, it remains a reliable choice for legacy designs requiring stable RMS conversion with minimal power consumption. Its Moisture Sensitivity Level (MSL) 1 rating ensures robustness in handling and storage, while its EAR99 and HTSUS 8542.39.0001 compliance simplifies global logistics.

LTC1967IMS8 Features

• True RMS Conversion: Accurately computes the RMS value of complex AC waveforms, including distorted or noisy signals.
• Low Power Operation: Consumes only 320 µA, making it suitable for battery-powered or energy-sensitive applications.
• Wide Supply Range: Operates from 4.5V to 5.5V, compatible with standard logic-level supplies.
• Compact Form Factor: 8-pin MSOP package saves board space in dense layouts.
• High Stability: Minimal drift over temperature and time, ensuring consistent performance.

LTC1967IMS8 Applications

• Power Monitoring: Ideal for measuring RMS voltage in industrial power meters or energy management systems.
• Audio Equipment: Ensures accurate signal level detection in audio processing and amplification circuits.
• Test & Measurement: Used in oscilloscopes, multimeters, and data acquisition systems for precise RMS readings.
• Automotive Systems: Suitable for monitoring AC signals in vehicle electronics, despite its obsolescence in new designs.

Conclusion of LTC1967IMS8

The LTC1967IMS8 excels in delivering true RMS conversion with low power consumption and compact packaging. While no longer in production, its precision and reliability make it a viable option for maintenance of existing systems or niche applications where replacement is impractical. Engineers valuing accuracy, low power, and small footprint may still leverage this IC in legacy or low-volume designs. For new projects, alternative modern RMS converters from Analog Devices should be evaluated.