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参数资料
| 型号： | MAX4399CTK+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/33页 |
| 文件大小： | 0K |
| 描述： | IC SW A/V SCART CON 68-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 30 |
| 类型： | 开关 |
| 应用： | 接收器，机顶盒，电视 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 68-TQFN 裸露焊盘 |
| 供应商设备封装： | 68-TQFN-EP（10x10） |
| 包装： | 管件 |
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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 10F capacitor in parallel with a 0.1F ceramic
capacitor. Connect all V_AUD pins together and
bypass pin 30 with a 10F electrolytic capacitor in par-
allel with a 0.47F low-ESR ceramic capacitor to audio
ground. Bypass V_AUD pins 11 and 22 each with a
0.1F capacitor to audio ground. Bypass AUD_BIAS to
audio ground with a 10F electrolytic in parallel with a
0.1F ceramic capacitor.
Bypass V_DIG with a 0.1F ceramic capacitor to digital
ground. Bypass each V_VID to video ground with a
0.01F 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 0.1F
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.
MAX4399
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
76
543
21
0
COMMENTS
——
———
——
0
Off
TV Audio Mute
—
1
On (power-on default)
—
0
—
+6dB gain
—
0
1
—
+4dB gain
—
0
1
0
—
+2dB gain
—
0
1
—
0dB gain (power-on default)
—
0
1
0
—
-2dB gain
—
0
1
0
1
—
-4dB gain
——
———
——
—
1
0
—
-54dB gain
Volume Control
—
1
—
-56dB gain
—
0
———
——
—
Off
Zero-Crossing Detector
—
1
—
On (power-on default)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4399CTK+ | 功能描述:视频开关 IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4399CTK+D | 功能描述:视频开关 IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4399CTK+T | 功能描述:视频开关 IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4399CTK+TD | 功能描述:视频开关 IC Audio/Video Switch for 3 SCART Con RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4399CTK-D | 功能描述:视频开关 IC RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
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