Touchstone Semiconductor Inc. was a manufacturer of analog integrated circuit (IC) components for industrial control, consumer electronics, medical, telecommunications, and other industries. Touchstone Semiconductor was founded in 2010 by a group of semiconductor industry experts from Maxim Integrated Products, Linear Technology and Analog Devices. The company received $12M funding in Series A funding from Opus Capital and Khosla Ventures, the headquarters were located in Milpitas, California. Touchstone's assets were acquired by Silicon Labs in March 2014.