參數(shù)資料
型號: FSA203BQX
廠商: Fairchild Semiconductor
文件頁數(shù): 11/18頁
文件大?。?/td> 0K
描述: IC USB/VIDEO/AUDIO SW 20-DQFN
標準包裝: 1
功能: 音頻/視頻,USB 開關(guān)
電路: 3 x DPDT
導通狀態(tài)電阻: 3.5 歐姆
安裝類型: 表面貼裝
封裝/外殼: 20-WQFN 裸露焊盤,20-DQFN
供應商設備封裝: 20-DQFN
包裝: 標準包裝
其它名稱: FSA203BQXDKR
2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA203 Rev. 1.0.3
2
FSA20
3
Multimedia
High-Speed
USB,
Video,
and
Negative
Swing
Audio
Switch
with
Vide
o
Amp
/Filter
Pin Assignments
GND
VidEn
VideoIn
MicOut
D+
V
AV
VidOut
R
L
S1
V
Bus
GSel
VidMic
S0
VideoOut
Shdn
No Connect
D-/L
D+/R
2
3
4
5
6
7
8
9
D-
19
18
17
16
15
14
13
12
1 20
10 11
Figure 3.
DQFN-20 (Top Through View)
Pin Descriptions
Pin #
Name
Description
1
Vav
Audio/Video Power Supply
2
Video In
Video Input Source
3
VidEn
Video Output Buffer Enable (Active High)
4
VidOut
Video Connection to ADC
5
MicOut
Microphone Pre-Amp Connection
6, 7
D+, D-
USB Data Bus Input sources
8.9
R, L
Audio Right and Left Input sources
10
GND
Ground
11
NC
No Connect
12,16
S1, S0
Switch Control Pins
13
Shdn
Shutdown Control Pin
14, 15
D-/L, D+/R USB/Audio Common Connector Ports
17
VidMic
Video / Microphone Common Connector Port
18
GSel
Gain Select (0dB/6dB); GSel = High = 6dB
19
Video Out
Buffered/Filtered Video Out
20
Vbus
USB Vbus Supply
Truth Table
Shdn
VidEn
S0
S1
D+/R
D-/L
Vid/Mic
Video Out
LOW
D+
D-
VidOut
Off
LOW
HIGH
R
L
VidOut
Off
LOW
HIGH
LOW
D+
D-
MicOut
Off
LOW
HIGH
R
L
MicOut
Off
LOW
HIGH
LOW
D+
D-
VidOut
On
LOW
HIGH
LOW
HIGH
R
L
VidOut
On
LOW
HIGH
LOW
D+
D-
MicOut
On
LOW
HIGH
R
L
MicOut
On
HIGH
X
Hi-Z
Off
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