Laurence Marchini, Editor, writes:
We see from your search that you're looking for information on the term "FGA", and we have a large number of manufacturers' news releases and technical articles here on Electronicstalk which will be of interest. Let me be your guide.
Start with the news release Reference boosts precision and battery life from Intersil, which we summarised at the time by saying "The ISL60007 is a 2.50V voltage reference that claims the industry's lowest power consumption combined with high accuracy, low temperature coefficient and long-term stability". Several months prior to that, we featured the news release