Maxim company was founded in 1983 with its headquarters in California, USA. The company is a world leader in the design, development and production of linear and mixed signal integrated circuit products. As of June 26, 1999, its net sales revenue has reached 600 million US dollars. The company employs more than 3000 people, distributed in the headquarters of the United States and branches around the world. Mixim has released more than 1780 analog integrated circuit products, which are at the leading level in the industry. Among them, more than 1480 products are proprietary products of Mixim. Its products are mainly used in microprocessor electronic products, including personal computers, test equipment, handheld devices, wireless communication products and video display devices. The main products include microprocessor monitoring circuit, data converter, reference power supply, RS-232 interface circuit, amplifier, power management, timer, counter, display circuit, multiplexer, switch, voltage monitoring, optical fiber transmitter, pressure and temperature sensor, no line product, analog filter, etc.