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参数资料
| 型号： | MAX4357ECD+TD |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 30/42页 |
| 文件大小： | 0K |
| 描述： | IC VIDEO CROSSPOINT SWIT 128TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 250 |
| 功能： | 视频交叉点开关 |
| 电路： | 1 x 32:16 |
| 电压电源： | 单/双电源 |
| 电压 - 电源，单路/双路(±)： | 5V，± 3 V ~ 5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 128-LQFP |
| 供应商设备封装： | 128-LQFP（14x20） |
| 包装： | 带卷 (TR) |
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MAX4357
32 x 16 Nonblocking Video Crosspoint Switch
with I/O Buffers
36
______________________________________________________________________________________
A single R-C does not affect the performance at video
frequencies, but in a very large system there may be
many R-Cs cascaded in series. The cumulative effect is
a slight rolling off of the high frequencies causing a
"softening" of the picture. There are two solutions to
achieve higher performance. One way is to design the
PC board traces associated with the outputs such that
they exhibit some inductance. By routing the traces in a
repeating "S" configuration, the traces that are nearest
each other exhibit a mutual inductance increasing the
total inductance. This series inductance causes the
amplitude response to increase or peak at higher fre-
quencies, offsetting the rolloff from the parasitic capaci-
tance. Another solution is to add a small-value inductor
to the output.
Crosstalk and Board Routing Issues
Improper signal routing causes performance problems.
The MAX4357 has a typical crosstalk rejection of
-62dB at 6MHz. A bad PC board layout degrades the
crosstalk rejection by 20dB or more. To achieve the
best crosstalk performance:
1. Place ground isolation between long critical signal
PC board trace runs. These traces act as a shield to
potential interfering signals. Crosstalk can be
degraded from parallel traces as well as directly
above and below on adjoining PC board layers.
Table 5. Output Selection Programming
OUTPUT ADDRESS BIT
B3 (MSB)
B2
B1
B0 (LSB)
SELECTED OUTPUT
0
000
0
001
1
0
010
2
0
011
3
0
100
4
0
101
5
0
110
6
0
111
7
1
000
8
1
001
9
1
010
10
1
011
11
1
100
12
1
101
13
1
110
14
1
111
15
INPUTS
(0–31)
OUTPUTS (16–31)
32
IN
16
OUT
32
IN
16
OUT
32
IN
16
OUT
32
IN
16
OUT
MAX4357
INPUTS
(32–63)
INPUTS
(64–95)
INPUTS
(96–127)
32
IN
16
OUT
32
IN
16
OUT
32
IN
16
OUT
32
IN
16
OUT
MAX4357
OUTPUTS (0–15)
Figure 6. 128 x 32 Nonblocking Matrix Using 32 x 16
Crosspoint Devices
相关PDF资料 |
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|---|---|
| MAX4358ECE+TD | IC VIDEO CROSSPOINT SWIT 144TQFP |
| MAX4363EUP+ | IC ADSL DRIVER/RX 20-TSSOP |
| MAX4456CQH+TD | IC VIDEO CROSSPOINT SWIT 44PLCC |
| MAX4502ESA | IC SWITCH SPST 8SOIC |
| MAX4504ESA | IC SWITCH SPST 8SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4358ECE | 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 |
| MAX4358ECE+ | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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 |
| MAX4358ECE+D | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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 |
| MAX4358ECE+T | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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 |
| MAX4358ECE+TD | 功能描述:视频开关 IC 32x16 Nonblocking Video Crx Switch 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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