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參數(shù)資料
| 型號： | AD8116-EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 200 MHz, 16 x 16 Buffered Video Crosspoint Switch |
| 中文描述： | 200兆赫，16 × 16緩沖視頻交叉點開關(guān) |
| 文件頁數(shù)： | 22/26頁 |
| 文件大?。?/td> | 287K |
| 代理商： | AD8116-EB |
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AD8116
–22–
REV. A
Optimized for video applications, all signal inputs and outputs
are terminated with 75
resistors. Figure 34 shows a cross-
section of one of the input or output tracks along with the ar-
rangement of the PCB layers. It should be noted that unused
regions of the four layers are filled up with ground planes. As a
result, the input and output traces, in addition to having con-
trolled impedances, are well shielded.
w = 0.008"
(0.2mm)
a = 0.008"
(0.2mm)
c = 0.028"
(0.714mm)
t = 0.00135" (0.0343mm)
TOP LAYER
b = 0.0132"
(0.335mm)
SIGNAL LAYER
POWER LAYER
d = 0.0132"
(0.335mm)
BOTTOM LAYER
Figure 34. Cross Section of Input and Output Traces
The board has 32 BNC type connectors: 16 inputs and 16 outputs.
The connectors are arranged in two crescents around the device.
As can be seen from Figure 31, this results in all sixteen input
signal traces and all sixteen signal output traces having the same
length. This is useful in tests such as All-Hostile Crosstalk
where the phase relationship and delay between signals needs to
be maintained from input to output.
The four power supply pins AVCC, DVCC, AVEE and DVEE
should be connected to good quality, low noise,
±
5 V supplies.
Where the same
±
5 V power supplies are used for analog and
digital, separate cables should be run for the power supply to the
evaluation board’s analog and digital power supply pins.
As can be seen in Figure 35, there is extensive power supply
decoupling on the evaluation board. Figure 35 shows the
location of all the decoupling capacitors relative to the AD8116’s
pins. Four large 10
μ
F capacitors are located near the evalua-
tion board’s power supply connection terminals. These de-
couple the AVCC, DVCC, AVEE and DVEE supplies. Because
it is required that the voltage difference between DGND and
AGND never exceed 0.7 V, these grounds are connected by
two antiparallel diodes. On the output side of the device (Pin 65
to Pin 96), the sixteen output pins are interleaved with the
AVCC and AVEE power supply pins. Each of these pins is
locally decoupled with a 0.01
μ
F capacitor. These pins are also
decoupled in groups of four with 0.1
μ
F capacitors. Due to
space constraints the power supply Pins 34 (DVCC) and 42
(DVEE) are neither connected nor decoupled. These pins are,
however, internally connected to DVCC and DVEE (Pins 127
and 119).
As a general rule, each power supply pin (or group of adjacent
power supply pins) should be locally decoupled with a 0.01
μ
F
capacitor. If there is a space constraint, it is more important to
decouple analog power supply pins before digital power supply
pins. A 0.1
μ
F capacitor, located reasonably close to the pins,
can be used to decouple a number of power supply pins. Finally
a 10
μ
F capacitor should be used to decouple power supplies as
they come on to the board.
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PDF描述 |
|---|---|
| AD8116JST | 200 MHz, 16 x 16 Buffered Video Crosspoint Switch |
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| AD8128ACPZ-R2 | CAT-5 Receiver with Adjustable Line Equalization |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8116JST | 制造商:Analog Devices 功能描述:Analog Video Crosspoint 200MHz 16 x 16 128-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:TQFP 16X16 VIDEO CROSSPOINT SWITCH - Bulk 制造商:Analog Devices 功能描述:SWITCH CROSSPOINT 16X16 SMD 8116 |
| AD8116JSTZ | 功能描述:IC VIDEO CROSSPOINT SWIT 128LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 其它有關(guān)文件:STG4159 View All Specifications 標(biāo)準(zhǔn)包裝:5,000 系列:- 功能:開關(guān) 電路:1 x SPDT 導(dǎo)通狀態(tài)電阻:300 毫歐 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±1.65 V ~ 4.8 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:7-WFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:7-覆晶 包裝:帶卷 (TR) |
| AD8117 | 制造商:AD 制造商全稱:Analog Devices 功能描述:600 MHz, 32 】 32 Buffered Analog Crosspoint Switch |
| AD8117_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:600 MHz, 32 】 32 Buffered Analog Crosspoint Switch |
| AD8117ABPZ | 功能描述:IC CROSSPOINT SWIT 32X32 304BGA RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 其它有關(guān)文件:STG4159 View All Specifications 標(biāo)準(zhǔn)包裝:5,000 系列:- 功能:開關(guān) 電路:1 x SPDT 導(dǎo)通狀態(tài)電阻:300 毫歐 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±1.65 V ~ 4.8 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:7-WFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:7-覆晶 包裝:帶卷 (TR) |
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