Special purpose linear amplifiers are a category of electronic components used for processing analog signals. These amplifiers are equipped with integrated features such as voltage references, linear comparators, filters, or other non-amplifier functional elements that support specific applications or application classes. These special purpose linear amplifiers are designed to cater to a diverse range of applications, including audio systems, sensor interfaces, communication systems, and medical devices. By incorporating integrated features, these amplifiers offer enhanced performance and reduced design complexity when compared to using discrete components. The inclusion of specialized functionality allows designers to achieve specific signal processing tasks without the need for additional components or complex circuitry. In summary, special purpose linear amplifiers play a pivotal role in facilitating the development of advanced analog circuits for various application scenarios. They provide engineers with increased flexibility, precision, and efficiency, thereby contributing to improved system performance and simplified design processes.