SAN JOSE, Calif.--(BUSINESS WIRE)--Integrated Device Technology, Inc. (IDT®) (NASDAQ:IDTI) today announced that Ken Kannappan, president, CEO and board member at Plantronics, has been appointed to the company's Board of Directors, effective Jan. 27, 2015. Additionally, Kannappan has been named to the Compensation Committee and will serve as chairman of the Nominating and Governance Committee. "Ken joins the IDT board with a strong track record of successful leadership, both at Plantronics and i