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| 型号： | MAX9655AEE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/17页 |
| 文件大小： | 0K |
| 描述： | IC SW VIDEO LOW POWER 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 功能： | 视频开关 |
| 电路： | 2 x SCART |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 3.6 V |
| 电流 - 电源： | 21mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
MAX9655/MAX9656
Low-Power Video Switches
for Dual SCART Connectors
_______________________________________________________________________________________
7
Detailed Description
A MAX9655 or a MAX9656 can comprise the video por-
tion of a low-cost, dual SCART solution in set-top boxes
with a subset of the full SCART functions. The
MAX9655/MAX9656 select whether the CVBS, red,
green, and blue video signals from the encoder or the
VCR SCART are routed to the TV SCART. The
MAX9655/MAX9656 support the output of one CVBS
signal to the VCR SCART. In the MAX9655, the CVBS
signal from the encoder is routed to the VCR SCART.
In the MAX9656, the CVBS signal routed to the VCR
SCART can come from the encoder or TV SCART. In
the typical usage case, the VCR (or DVD recorder)
records a television program from the set-top box. In
such a case, the encoder would be the source of the
CVBS signal. Support for the TV SCART CVBS return
path is useful when a person wants to record on his
VCR (or more likely DVD recorder) a television program
received through the television’s antenna. The televi-
sion program is transmitted from the television to the
set-top box and then to the VCR.
Both the MAX9655 and MAX9656 have integrated
reconstruction filters so that when the encoder video
signals are routed to the TV SCART or the VCR SCART,
the steps and spikes left by the video digital-to-analog
converter (DAC) are smoothed away. Although the
incoming video signals from the VCR SCART are
assumed to be filtered already, the reconstruction filter
has wide enough bandwidth so that the video signals
from the VCR SCART are not degraded.
Pin Description
PIN
MAX9655
MAX9656
NAME
FUNCTION
1
2
ENC_B_IN
Encoder Blue Video Input. AC-couple the signal through a 0.1F capacitor.
2
3
ENC_G_IN
Encoder Green Video Input. AC-couple the signal through a 0.1F capacitor.
3
4
ENC_R_IN
Encoder Red Video Input. AC-couple the signal through a 0.1F capacitor.
4
5
ENC_CVBS_IN
Encoder Composite Video Input. AC-couple the signal through a 0.1F capacitor.
5
6
VCR_B_IN
VCR SCART Blue Video Input. AC-couple the signal through a 0.1F capacitor.
6
7
VCR_G_IN
VCR SCART Green Video Input. AC-couple the signal through a 0.1F capacitor.
7
8
VCR_R_IN
VCR SCART Red Video Input. AC-couple the signal through a 0.1F capacitor.
8
9
VCR_CVBS_IN
VCR SCART Composite Video Input. AC-couple the signal through a 0.1F capacitor.
9
11
GND
Ground
10
13
VCR_CVBS_OUT
VCR SCART Composite Video Output. The sync tip is biased at 0.3V.
11
14
TV_CVBS_OUT
TV SCART Composite Video Output. The sync tip is biased at 0.3V.
12
15
TV_R_OUT
TV SCART Red Video Output. The sync tip is biased at 0.3V.
13
16
TV_G_OUT
TV SCART Green Video Output. The sync tip is biased at 0.3V.
14
17
TV_B_OUT
TV SCART Blue Video Output. The sync tip is biased at 0.3V.
15
18
TV_SEL
TV SCART Output Selection. Connect to GND to route the encoder video signals
to the TV SCART outputs. Connect to VDD to route the VCR SCART video signals
to the TV SCART outputs.
16
19
VDD
Positive Power Supply. Bypass with 0.1F ceramic capacitors to GND.
—
1
TV_CVBS_IN
Television SCART Composite Video Input. AC-couple the signal through a 0.1F
capacitor.
—
10
N.C.
No Connection. Not internally connected.
—12
SHDN
Active-Low Shutdown Logic Input. Connect to GND to place device in shutdown.
Connect to VDD for normal operation.
—
20
VCR_SEL
VCR SCART Output Selection. Connect to GND to route ENC_CVBS_IN to the
VCR SCART CVBS output. Connect to VDD to route TV_CVBS_IN to the VCR
SCART CVBS output.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9655AEE+ | 功能描述:视频开关 IC Video Switch f/Dual SCART Connector 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 |
| MAX9655AEE+T | 功能描述:视频开关 IC Video Switch f/Dual SCART Connector 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 |
| MAX9655EVKIT+ | 功能描述:视频 IC 开发工具 MAX9655 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Boards 类型:YPbPr to RGBHV Converters 工具用于评估:LMH1251 工作电源电压:5 V |
| MAX9656AEP+ | 功能描述:视频开关 IC Video Switch f/Dual SCART Connector 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 |
| MAX9656AEP+T | 功能描述:视频开关 IC Video Switch f/Dual SCART Connector 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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