FSA806

FSA806 — USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability July 2012 FSA806 — USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Signal Capability Features  3:1 Switch Handles: - Audio Headsets - UART - Up to Two High- and Low-Speed USB Data  Negative-Swing-Capable Audio Channel  Built-in Termination Resistors for Audio Pop Reduction  Simple Switch Control Using Two Select Pins Description The FSA806 is a 3:1 USB accessory switch that enables USB data, stereo and mono audio, and UART data to share a common connector port. Two ports are designed for high-speed USB 2.0 signaling, while also capable of full speed USB and UART communication. The architecture is designed to allow audio signals to swing below ground so a common USB and headphone jack can be used for personal media players and portable peripheral devices. The FSA806 meets both USB Rev. 2.0 and micro-USB specifications. Applications  Cell Phones, MP3 Players, PDAs Ordering Information Part Number FSA806UMX Operating Temperature Range -40 to +85°C Top Mark KN Package 12-Lead Quad, 1.8 x 1.8mm Ultrathin Molded Leadless Package (UMLP) VCC FSA806 R_HOS L_HOS DP_HOST DM_HOST DP_HOST DM_HOS R 3:1 MUX and Charge Pump DP_CO DM_CO GN SEL[0 SEL[1 Switc Contro © 2010 Fairchild Semiconductor Corporation FSA806 Rev. 1.0.1 Figure 1. Functional Block Diagram www.fairchildsemi.com FSA806 — USB2.0 High-Speed (480Mbps), UART, and Audio Switch with Negative Sig...