Chapter 9

Extreme Applications

9.1 Introduction

Not every circuit is destined to be used in a nice environment. Some are destined to go into extreme environments, or applications where failure is simply not an option. While military op amps have been available for a long time for deployment in temperatures that range from −55 to 125°C, military environments are no longer the most severe. Space, oil exploration (downhole), and geothermal environments have much greater temperature extremes, as well as potentially damaging mechanical vibration and shock requirements. Space, medical, and automotive applications demand high levels of reliability. Service is impossible for space electronics. Medical devices can put a patient’s life in danger if they ...

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