Click here for this datasheet translated into Chinese! FSA221 — USB2.0 High-Speed (480Mbps) and Audio Switches with Negative Signal Capability Features 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. 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 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. IMPORTANT NOTE: For additional performance information, please contact [email protected] Ordering Information Part Number FSA221L10X Package Number Top Mark Eco Status Package Description RoHS 10-Lead MicroPak, JEDEC MO-255, 1.6 x 2.1mm MAC010A GK FSA221MUX MUA10A FSA221 RoHS 10-Lead MSOP JEDEC MO-187, 3.0 mm Wide FSA221UMX MLP010A GL Green 10-Lead Quad, Ultrathin MLP, 1.4 x 1.8mm For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. Vbus ASel Switch Select Control Circuitry Vaudio Rpd D+ GND D+/R R D-- D-/L L Figure 1. © 2006 Fairchild Semiconductor Corporation FSA221 Rev. 1.0.8 FSA221 Analog Symbol www.fairchildsemi.com FSA221 — USB2.0 High-Speed and Audio Switches with Negative Signal Capability June 2009 FSA221 — USB2.0 High-Speed and Audio Switches with Negative Signal Capability © 2006 Fairchild Semiconductor Corporation FSA221 Rev. 1.0.8 www.fairchildsemi.com 18