參數(shù)資料
型號： MAX4397
廠商： Maxim Integrated Products, Inc.
英文描述： Audio/Video Switch For Dual SCART Connectors
中文描述： 用于雙SCART連接器的音頻/視頻開關(guān)
文件頁數(shù)： 18/30頁
文件大?。?/td> 834K
代理商： MAX4397
M
Power Supplies and Bypassing
The MAX4397 features single 5V and 12V supply opera-
tion and requires no negative supply. The +12V supply
V
12
is for the SCART switching function. For pin V
12
,
place all bypass capacitors as close as possible with a
10μF capacitor in parallel with a 0.1μF ceramic capacitor.
Connect all V
AUD
pins together to +5V and bypass with a
10μF electrolytic capacitor in parallel with a 0.47μF low-
ESR ceramic capacitor to audio ground. Bypass V
AUD
pins with a 0.1μF capacitor to audio ground. Bypass
AUD_BIAS to audio ground with a 10μF electrolytic in
parallel with a 0.1μF ceramic capacitor.
Bypass V
DIG
with a 0.1μF ceramic capacitor to digital
ground. Bypass each V
VID
to video ground with a 0.1μF
ceramic capacitor. Connect V
VID
in series with a 200nH
ferrite bead to the +5V supply.
Layout and Grounding
For optimal performance, use controlled-impedance
traces for video signal paths and place input termina-
tion resistors and output back-termination resistors
close to the MAX4397. Avoid routing video traces par-
allel to high-speed data lines.
The MAX4397 provides separate ground connections
for video, audio, and digital supplies. For best perfor-
mance, use separate ground planes for each of the
ground returns and connect all three ground planes
together at a single point. Refer to the MAX4397 evalu-
ation kit for a proven circuit board layout example.
Audio/Video Switch for Dual SCART Connectors
18
______________________________________________________________________________________
REGISTER
ADDRESS
(HEXADECIMAL)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
00h
TV volume
bypass
ZCD
TV volume control
TV audio
output mute
01h
02h
03h
04h
05h
VCR volume control
Not used
Not used
Not used
Not used
Not used
Not used
VCR audio selection
TV audio selection
06h
TV_R/C_IN
clamp
RGB gain
TV G and B video switch
TV video switch
07h
Not used
RF_CVBS_
OUT switch
TV_Y/
CVBS_OUT switch
TV fast blank
(fast switching)
TV_R/C_OUT
ground
Set function TV
08h
VCR_R/
C_IN clamp
Not used
Not used
Not used
ENC_R/
C_IN clamp
VCR video switch
09h
Not used
Not used
Not used
Not used
Not used
VCR_R/C_OUT
ground
Set function VCR
0Ah
0Bh
0Ch
Not used
Not used
Not used
0Dh
VCR_Y/
CVBS_OUT
enable
VCR_R/
C_OUT
enable
TV_R/C_OUT
enable
TV_G_OUT
enable
TV_B_OUT
enable
TV_Y/
CVBS_OUT
enable
TVOUT
_FS
enable
RF_CVBS_
OUT
enable
Table 3. Data Format for Write Mode
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4397DACTM 制造商:Maxim Integrated Products 功能描述:DUAL 7-CHANNEL, AUDIO/VIDEO SWITCH, QCC48
MAX4397DACTM+ 功能描述:視頻開關(guān) IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX4397DACTM+T 功能描述:視頻開關(guān) IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX4397DCTM 功能描述:視頻開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX4397DCTM+ 功能描述:視頻開關(guān) IC Audio/Video Switch for Dual SCART Con RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
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