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參數(shù)資料
| 型號(hào)： | MAX9675ECQ+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 15/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CROSSPOINT SWIT 16X16 100TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 功能： | 交叉點(diǎn)開關(guān) |
| 電路： | 1 x 16:16 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-TQFP |
| 供應(yīng)商設(shè)備封裝： | 100-TQFP（14x14） |
| 包裝： | 管件 |
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MAX9675
110MHz, 16 x 16 Video Crosspoint
Switch with Programmable Gain
22
______________________________________________________________________________________
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 Signal and Board Routing Issues
Improper signal routing causes performance problems
such as crosstalk. The MAX9675 has a typical crosstalk
rejection of -62dB at 6MHz. A bad PCB layout
degrades the crosstalk rejection by 20dB or more. To
achieve the best crosstalk performance:
1) Place ground isolation between long critical sig-
nal PCB trace runs. These traces act as a shield to
potential interfering signals. Crosstalk can be
degraded by parallel traces as well as directly
above and below on adjoining PCB layers.
2) Maintain controlled-impedance traces. Design as
many of the PCB traces as possible to be 75
Ω trans-
mission lines. This lowers the impedance of the
traces, reducing a potential source of crosstalk.
More power is dissipated due to the output buffer
driving a lower impedance.
3) Minimize ground-current interaction by using a
good ground plane strategy.
In addition to crosstalk, another key issue of concern is
isolation. Isolation is the rejection of undesirable feed-
through from input to output with the output disabled.
The MAX9675 achieves a -110dB isolation at 6MHz by
selecting the pinout configuration such that the inputs
and outputs are on opposite sides of the package.
Coupling through the power supply is a function of the
quality and location of the supply bypassing. Use
appropriate low-impedance components and locate
them as close as possible to the IC. Avoid routing the
inputs near the outputs.
Power-Supply Bypassing
The MAX9675 operates from a ±5V supply. For dual-
supply operation, bypass all supply pins to ground with
0.1F capacitors.
Figure 7. 64 x 16 Nonblocking Matrix with Reduced Capacitive
Loading
IN (0–15)
IN (16–31)
IN (32–47)
IN (48–63)
OUTPUTS (0–15)
OUTPUTS (16–32)
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
IN (64–79)
IN (80–95)
IN (96–111)
IN (112–127)
MAX9675
Figure 6. 128 x 32 Nonblocking Matrix Using 16 x 16 Crosspoint Devices
IN (0–15)
IN (16–31)
IN (32–47)
IN (48–63)
OUTPUTS (0–15)
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
16
IN
16
OUT
MAX9675
16
IN
16
OUT
MAX9675
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9675ECQ/GH9 | 制造商:Maxim Integrated Products 功能描述:110MHZ, 16 X 16 VIDEO CROSSPOINT SWITCH WITH PROGRAMMABLE GA - Rail/Tube |
| MAX9675ECQ+ | 功能描述:視頻開關(guān) IC Video Crosspoint Switch 110MHz 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(shí)間: 開啟時(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 |
| MAX9675ECQ+D | 制造商:Maxim Integrated Products 功能描述:VIDEO CROSSPOINT SWITCH 110MHZ 16 - Rail/Tube |
| MAX9675ECQ+T | 功能描述:視頻開關(guān) IC Video Crosspoint Switch 110MHz 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(shí)間: 開啟時(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 |
| MAX9675EVKIT+ | 功能描述:交換機(jī) IC 開發(fā)工具 MAX9675 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:USB Power Switches 工具用于評(píng)估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
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