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PDF FSA203 Data sheet ( Hoja de datos )
| Número de pieza | FSA203 | |
| Descripción | Negative Swing Audio Switch | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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March 2007
FSA203 — Multimedia High-Speed USB, Video, and
Negative Swing Audio Switch with Video Amp/Filter
Features
Description
USB: 3.5Ω Typical On Resistance
Video/Mic: 3Ω Typical On Resistance
Audio: 3.5Ω Typical On Resistance
USB: -3db Bandwidth at 0pF > 745MHz
Video: -3db Bandwidth > 615MHz
Video: 1.0db Flatness > 6MHz
Low-Power Shutdown Mode: 1µA 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
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 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 Vav or Vbus is not present.
This power-off circuitry is available for the common
D+/R, D-/L ports only.
Applications
Cell Phone, PDA, Digital Camera, and Notebook
Typical applications involve switching in portables and
consumer applications, such as cell phones, digital
cameras, and notebooks with hubs or controllers.
LCD Monitor, TV, and Set-Top Box
www.DataSheet4U.com
IMPORTANT NOTE:
For additional performance information, please contact
Ordering Information
Part Number Top Mark Pb-Free
FSA203BQX
203
Yes
FSA203MTCX FSA203
Yes
Block Diagram
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
Video In
Vbus
Vav
To ASIC Video In
VidOut
To Mic Amp In
MicOut
D+
Audio R
D-
Audio L
Figure 1.
LP Filter
8MHz, 5th Order
Control Block
S0+Shdn
S1+Shdn
Video Out
GSel
Shdn
VidEn
S0:S1
VidMic
D+/ R
D-/ L
GND
Functional Block Diagram
© 2007 Fairchild Semiconductor Corporation
FSA203 Rev. 1.0.1
www.fairchildsemi.com
1 page | ||
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| PDF Descargar | [ Datasheet FSA203.PDF ] | |
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