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FSA203 -- Multimedia High-Speed USB, Video, and Negative Swing Audio Switch with Video Amp/Filter
March 2007
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
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. The DPDT path combines a lowdistortion 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 Vav or 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.
Applications
Cell Phone, PDA, Digital Camera, and Notebook LCD Monitor, TV, and Set-Top Box
IMPORTANT NOTE:
For additional performance information, please contact analogswitch@fairchildsemi.com.
Ordering Information
Part Number
FSA203BQX FSA203MTCX
Top Mark
203 FSA203
Pb-Free
Yes Yes
Packing Description
20-Lead Depopulated very thin Quad Flat-pack No leads (DQFN) JEDEC MO-241, 2.5 x 4.5mm 20-Lead Thin Shrink Small Outline Package (TSSOP) JEDEC MO-153, 4.4mm wide
Block Diagram
Video In
LP Filter 8MHz, 5th Order
Video Out
GSel Vbus Vav Control Block
S0+Shdn Shdn VidEn S0:S1
To ASIC Video In
VidOut
VidMic
S1+Shdn
To Mic Amp In
MicOut
D+ Audio R DAudio L D-/ L GND D+/ R
Figure 1.
(c) 2007 Fairchild Semiconductor Corporation FSA203 Rev. 1.0.1
Functional Block Diagram
www.fairchildsemi.com
FSA203 -- Multimedia High-Speed USB, Video, and Negative Swing Audio Switch with Video Amp/Filter
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DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD'S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.
PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status
2. A critical component in any component of a life support, device, or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
Definition
Advance Information Preliminary
Formative or In Design First Production
This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. This datasheet contains specifications on a product that has been discontinued by Fairchild Semiconductor. The datasheet is printed for reference information only.
Rev. I24
No Identification Needed
Full Production
Obsolete
Not In Production
(c) 2007 Fairchild Semiconductor Corporation FSA203 Rev. 1.0.1
www.fairchildsemi.com 19

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