march 2007 ? 2007 fairchild semiconductor corporation www.fairchildsemi.com FSA203 rev. 1.0.1 FSA203 ? multimedia high-speed usb, video, and ne gative swing audio switch with video amp/filter FSA203 ? multimedia high-speed usb, video, and negative swing audio switch with video amp/filter features ? usb: 3.5 ? typical on resistance ? video/mic: 3 ? typical on resistance ? audio: 3.5 ? typical on resistance ? usb: -3db bandwidth at 0pf > 745mhz ? video: -3db bandwidth > 615mhz ? video: 1.0db flatness > 6mhz ? low-power shutdown mode: 1a maximum ? power-off protection on common d+/r, d-/l, video/microphone ports ? packaged in pb-free 20-lead dqfn and 2.5 x 4.5mm 20-pin tssop applications ? cell phone, pda, digital camera, and notebook ? lcd monitor, tv, and set-top box description the FSA203 is a multimedia device that includes a double-pole, double throw (dpdt) usb / audio multiplexer, a video/microphone switch, and a video amplifier / filter path. t he dpdt path combines a low- distortion audio and a usb2.0 switch path. this configuration enables audio and usb data to share a common connector port. the architecture is designed such that audio signals are allowed to swing below ground, enabling the use of a common usb and headphone connector for personal media players and similar portable peripheral devices. the FSA203 includes a power-off feature to minimize current consumption when v av or v bus 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 analogswitch@fairchildsemi.com . ordering information part number top mark pb-free packing description FSA203bqx 203 yes 20-lead depopulated very thin quad flat-pack no leads (dqfn) jedec mo-241, 2.5 x 4.5mm FSA203mtcx FSA203 yes 20-lead thin shrink small outline package (tssop) jedec mo-153, 4.4mm wide block diagram video out s0:s1 vidmic video in to mic amp in micout to asic video in vidout viden d+/ r d-/ l d- audio r d+ audio l gnd v av control block shdn g sel lp filter 8mhz, 5th order v bus s0+shdn s1+shdn figure 1. functional block diagram
? 2007 fairchild semiconductor corporation www.fairchildsemi.com FSA203 rev. 1.0.1 19 FSA203 ? multimedia high-speed us b, video, and negative swing audi o switch with video amp/filter trademarks the following are registered and unregistered trademarks fairchild semiconductor owns or is authorized to use and is not intend ed to be an exhaustive list of all such trademarks. acex ? across the board. around the world. ? ? ? ? ? crossvolt ? ? ? ? ? ? ? ? ? i-lo ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
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