AD, the full name of the brand: Analog Devices Inc, an analog device company that develops, produces and sells high-performance analog, digital and mixed-signal ICs for various types of signal processing. It currently leads in precision high-performance ICs for analog and digital signal processing. status. The main products include system and IC and general standard linear IC. In addition, it also produces device products produced by assembly product technology. The company is headquartered in Norwood, Massachusetts, and has several product divisions: Computer Products Division, Communications Division, Transportation and Industrial Products Division, Standard Products Division and Accelerometer Division. Analog Devices has multiple design centers around the world, located in Nashua, New Hampshire, Somerset, New Jersey, Austin, Texas, Vancouver, Washington, Israel, India, etc. Production bases are located in Massachusetts, North Carolina, California, Israel, and the Philippines. There is a testing plant of the company in Taiwan. Main products: The main IC products are: audio amplifiers, comparators, analog-to-digital converters, digital-to-analog converters, embedded processing, digital signal processing, MEMS, sensors, radio waves, power management, audio/video, etc.