LINEAR AN124-1 Data Handbook
Summary
This application note provides comprehensive details on measuring extremely low voltage reference noise down to the sub-microvolt level. It covers advanced testing methodologies, including specialized pre-amplifiers and peak-to-peak detectors, designed to accurately quantify noise floors within sensitive instrumentation systems. This resource is essential for electrical and instrumentation engineers designing high-precision circuits such as medical imaging or navigation systems that require stable, ultra-low noise voltage references with high accuracy and temperature stability.
Manual Details
| Brand | Linear |
|---|---|
| Pages | 12 |
| File Size | 467.28 KB |
| Published | May 31, 2026 |
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Frequently Asked Questions
What is the reference noise floor of the LTC6655?
The low noise level is 0.775μV at a 2.500V output, measured between 0.1Hz and 10Hz.
What range of voltages can the device supply?
It supports multiple output voltages, including 1.250V, 2.048V, 2.500V, 3.000V, 3.300V, 4.096V, and 5.000V.
What are the critical operational specifications?
The key specs include a line regulation of 5ppm/Volt, a dropout capability of 500mV, and an initial accuracy ranging from 0.025% to 0.05%.