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參數(shù)資料
| 型號(hào)： | MAX4399 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Audio/Video Switch for Three SCART Connectors |
| 中文描述： | 用于三SCART連接器的音頻/視頻開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 21/33頁(yè) |
| 文件大?。?/td> | 544K |
| 代理商： | MAX4399 |
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To better protect the MAX4399 against excessive volt-
ages during the cable discharge event, additional 75
resistors should be placed in series with all inputs and
outputs that go to the SCART connector (
Figure
10).
For harsh environments needing ±15kV protection, the
MAX4385E and MAX4386E single and quad high-
speed op amps feature the industry
’
s first integrated
±15kV ESD protection on video inputs and outputs.
Power Supplies and Bypassing
The MAX4399 features single +5V and +12V supply
operation, and requires no negative supply. The +12V
supply provides voltage for SCART function switching,
and provides power for the internally generated audio
supply, V_AUD. Place all bypass capacitors as close
as possible to the MAX4399. Bypass V12 to ground
with a 10μF capacitor in parallel with a 0.1μF ceramic
capacitor. Connect all V_AUD pins together and
bypass pin 30 with a 10μF electrolytic capacitor in par-
allel with a 0.47μF low-ESR ceramic capacitor to audio
ground. Bypass V_AUD pins 11 and 22 each 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
0.01μF ceramic capacitor. Connect V_VID in series with
a 200nH ferrite bead to the +5V supply. Bypass the
internally generated video bias, VID_BIAS with a 0.1μF
low-ESR ceramic capacitor to G_VID.
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 MAX4399. Avoid running video traces par-
allel to high-speed data lines.
The MAX4399 provides separate ground connections for
video, audio, and digital supplies. For best performance
use separate ground planes for each of the ground
returns, and connect all three ground planes together at a
single point. Refer to the MAX4399 evaluation kit for a
proven circuit board layout example.
M
Audio/Video Switch for Three SCART
Connectors
______________________________________________________________________________________
21
Read Mode: Output Data Format
Table 4. Read Mode Output Data Format
REGISTER
ADDRESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0Eh
Not used
Power-on
reset
AUX slow switch status
VCR slow switch status
TV slow switch status
Write Mode: Description of Registers
Table 5. Register 00h: Audio Control
BIT
DESCRIPTION
7
—
—
—
—
—
—
—
—
—
—
—
—
—
6
—
—
—
—
—
—
—
—
—
—
—
0
1
5
—
—
0
0
0
0
0
0
—
1
1
—
—
4
—
—
0
0
0
0
0
0
—
1
1
—
—
3
—
—
0
0
0
0
1
1
—
1
1
—
—
2
—
—
0
0
1
1
0
0
—
1
1
—
—
1
—
—
0
1
0
1
0
1
—
0
1
—
—
0
0
1
—
—
—
—
—
—
—
—
—
—
—
COMMENTS
Off
On (power-on default)
+6dB gain
+4dB gain
+2dB gain
0dB gain (power-on default)
-2dB gain
-4dB gain
—
-54dB gain
-56dB gain
Off
On (power-on default)
TV Audio Mute
Volume Control
Zero-Crossing Detector
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4399CTK | 功能描述:視頻開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX4399CTK+ | 功能描述:視頻開(kāi)關(guān) IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX4399CTK+D | 功能描述:視頻開(kāi)關(guān) IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX4399CTK+T | 功能描述:視頻開(kāi)關(guān) IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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 |
| MAX4399CTK+TD | 功能描述:視頻開(kāi)關(guān) IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)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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