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參數資料
| 型號： | FSA203MTCX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Multimedia High-Speed USB, Video, and Negative Swing Audio Switch with Video Amp/Filter |
| 中文描述： | DBL POLE DBL THROW SWITCH, PDSO20 |
| 封裝： | 4.40 MM, LEAD FREE, MO-153, TSSOP-20 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 100K |
| 代理商： | FSA203MTCX |
March 2007
2007 Fairchild Semiconductor Corporation
FSA203 Rev. 1.0.1
www.fairchildsemi.com
F
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: 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
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. 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 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
20-Lead Thin Shrink Small Outline Package (TSSOP)
JEDEC MO-153, 4.4mm wide
FSA203MTCX
FSA203
Yes
Block Diagram
Video Out
S0:S1
VidMic
Video In
ToMic 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
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