Linear Technology LTC1966 Autoranging True RMS Converter Design Note 339

This document is about the design note of LTC1966, introduces the features and characteristics of LTC1966

Brand: Linear Technology
Category: Other Electronics
Document type: Application Note
Language: English
Pages: 2
File format: PDF
File size: 100 KB
Published: 05 June, 2012
Updated: 30 September, 2023
Model: LTC1966
MD5 checksum: FDAB91132000BD0691B7008A03D9AC9D
PDF: Linear Technology LTC1966 Autoranging True RMS Converter Design Note 339 PDF

About this manual

This document describes a design application for the LTC1966 true RMS-to-DC converter that utilizes an autoranging function. By adding an external programmable gain amplifier (LTC6910-2) and control logic, the circuit expands the input dynamic range from 50dB to 80dB.

What's inside

Introduction
Autoranging Expands Input Dynamic Range
Circuit Description
Operating Conditions
Conclusion

Frequently asked questions

What is the input signal dynamic range of the autoranging converter shown in Figure 1?

The circuit has an input signal dynamic range of 80dB.

What are the threshold levels set for the window comparator?

The thresholds are set to 9.5mV and 1.5V.

How long is any gain change delayed to ensure settling time?

Any gain change is delayed by one second.

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