Don’t be fooled by voltage reference long-term drift and hysteresis
John Wright
Abstract
The micropower LT1461 and LT1790 low dropout bandgap voltage references, which excel not only in temperature coefficient and accuracy, but also in long-term drift and hysteresis, are described.
Keywords
Voltage reference
hysteresis
LT1461
LT1790
The micropower LT1461 and LT1790 low dropout bandgap voltage references excel not only in temperature coefficient and accuracy, but also in long-term drift and hysteresis (output voltage shift due to temperature cycling). Long-term drift and hysteresis, which are sometimes ignored or wrongly specified by other manufacturers, can be the accuracy limitations of systems. System calibrations can ...
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