Brand: ADC
ADC 27 stands for Analog Devices (ADI), a leading semiconductor company that produces high-performance analog, mixed-signal, and digital signal processing (DSP) products for various industries such as communications, industrial, healthcare, and consumer electronics. The specific product or part identified by the designation ADC 27 (Analog-to-Digital Converter) is not specified in this case since "ADC" on its own typically refers to a type of circuit that converts an analog signal into a digital one. It's possible that the specific ADC 27 part may be a high-speed, high-resolution analog-to-digital converter that ADI has produced for specific applications. More context would be needed to determine the exact product in question.