FSA221

FSA221 — USB2.0 High-Speed and Audio Switches with Negative Signal Capability March 2013 FSA221 — USB2.0 High-Speed (480Mbps) and Audio Switches with Negative Signal Capability Features  HS-USB: 4Ω Typical On Resistance  HS-USB: 4.5pF Typical On Capacitance  Audio: 3Ω Typical On Resistance  -3db Bandwidth: > 720MHz  Low Power Consumption  Power-off Protection on Common D+/R, D-/L Ports  Automatically Detects Vbus for Switch Path Selection Applications  Cell Phone, PDA, Digital Camera, and Notebook  LCD Monitor, TV, and Set-Top Box Description The FSA221 is a Double-Pole, Double Throw (DPDT) multiplexer that combines a low-distortion audio and a USB2.0 High-Speed (HS) switch path. This configuration enables audio and USB data to share a common connector port. The architecture is designed to allow audio signals to swing below ground. This means a common USB and headphone jack can be used for personal media players and portable peripheral devices. Since USB2.0 is an industry standard for shared datapath in portable devices, the FSA221 also incorporates a Vbus detection capability. The FSA221 includes a power-off feature to minimize current consumption when Vbus is not present. This power-off circuitry is available for the common D+/R, D-/L ports only. Typical applications involve switching in portables and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers. Ordering Information Part Number FSA221L10X FSA221MUX FSA22...