参数资料
型号: FSA203MTCX
厂商: Fairchild Semiconductor
文件页数: 11/18页
文件大小: 0K
描述: IC USB/VIDEO/AUDIO SW 20TSSOP
标准包装: 1
功能: 音频/视频,USB 开关
电路: 3 x DPDT
导通状态电阻: 3.5 欧姆
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 标准包装
其它名称: FSA203MTCXDKR
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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