Prototron Circuits, 3760 E 43rd Pl, Tucson, AZ 85713, US

Founded in 1984, Cirrus Logic is a developer of high-precision analog and mixed-signal integrated circuits for a range of consumer and industrial markets. Several brands in the audio and industrial markets, such as Bose, Harman International, IO, Onkyo, Marantz, Panasonic, Philips, Pioneer, Samsung and Sony, rely on Cirrus Logic s technology. The company has more than 900 patents that are integral to its more than 600 products. Cirrus Logic s products include analog and mixed-signal audio integrated circuits for consumer, professional and automotive entertainment applications, as well as high-precision analog and mixed-signal integrated circuits for industrial applications, such as industrial measurement, analytical instruments, consumer utility, digital power meters and seismic systems.