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參數(shù)資料
| 型號： | MAX4399CTK |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | Audio/Video Switch for Three SCART Connectors |
| 中文描述： | DUAL 5-CHANNEL, AUDIO/VIDEO SWITCH, PQCC68 |
| 封裝： | 10 X 10 MM, 0.80 MM HEIGHT, MO-220WNND-2, TQFN-68 |
| 文件頁數(shù)： | 19/33頁 |
| 文件大小： | 544K |
| 代理商： | MAX4399CTK |
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Hot-Plug of SCART Connectors—Floating
Chassis Discharge
The MAX4399 features high-ESD protection on all
SCART inputs and outputs, and requires no external
transient voltage suppressor (TVS) devices to protect
against floating chassis discharge. Some set-top boxes
have a floating chassis problem in which the chassis is
not connected to earth ground. As a result, the chassis
can charge up to 500V. When a SCART cable is con-
nected to the SCART connector, the charged chassis
can discharge through a signal pin. The equivalent cir-
cuit is a 2200pF capacitor charged to 311V connected
through less than 0.1
to a signal pin. The MAX4399 is
soldered on the PC board when it experiences such a
discharge. Therefore, the current spike flows through
the ESD protection diodes and is absorbed by the sup-
ply bypass capacitors, which have high capacitance
and low ESR.
M
Audio/Video Switch for Three SCART
Connectors
______________________________________________________________________________________
19
CLAMP
LOWPASS FILTER
D/A
CVBS
A = +1V/V
IN1
OUT1
0.1
μ
F
ENC_Y/CVBS_IN
CLAMP
LOWPASS FILTER
D/A
Y
A = +1V/V
IN2
OUT2
0.1
μ
F
ENC_Y_IN
BIAS
LOWPASS FILTER
D/A
C
A = +1V/V
IN3
OUT3
0.1
μ
F
ENC_C_IN
CLAMP
LOWPASS FILTER
D/A
R
A = +1V/V
IN4
OUT4
0.1
μ
F
ENC_R/C_IN
CLAMP
LOWPASS FILTER
D/A
G
A = +1V/V
IN5
OUT5
0.1
μ
F
ENC_G_IN
CLAMP
LOWPASS FILTER
D/A
B
A = +1V/V
IN6
OUT6
0.1
μ
F
ENC_B_IN
MPEG DECODER
MAX7440
MAX4399
G_VID
+5V
V_VID
+5V
0.1
μ
F
1
μ
F
Figure
9. MPEG Decoder Outputs Filtered by the MAX7440 Before Being Passed to the MAX4399
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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:視頻開關(guān) IC Audio/Video Switch for 3 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 |
| MAX4399CTK+D | 功能描述:視頻開關(guān) IC Audio/Video Switch for 3 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 |
| MAX4399CTK+T | 功能描述:視頻開關(guān) IC Audio/Video Switch for 3 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 |
| MAX4399CTK+TD | 功能描述:視頻開關(guān) IC Audio/Video Switch for 3 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 |
| MAX4399CTK-D | 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 |
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