參數(shù)資料
型號(hào)： AD8191AASTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 15/28頁(yè)
文件大?。?/td> 0K
描述： IC HDMI/DVI SWITCH 4:1 100LQFP
標(biāo)準(zhǔn)包裝： 1
功能： 開(kāi)關(guān)，DVI/HDMI
電路： 1 x 16:1
電壓電源： 單電源
電壓 - 電源，單路/雙路(±)： 3 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 100-LQFP
供應(yīng)商設(shè)備封裝： 100-LQFP（14x14）
包裝： 托盤(pán)
AD8191A
Rev. 0 | Page 22 of 28
APPLICATIONS INFORMATION
0
70
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31
Figure 31. Layout of the TMDS Traces on the AD8191A Evaluation Board (Only Top Signal Routing Layer is Shown)
The AD8191A is an HDMI/DVI switch featuring equalized
TMDS inputs and pre-emphasized TMDS outputs. It is intended
for use as a 4:1 switch in systems with long cable runs on both
the input and/or the output and is fully HDMI 1.2a receive-
compliant.
PINOUT
The AD8191A is designed to have an HDMI/DVI receiver
pinout at its input and a transmitter pinout at its output, which
makes the AD8191A ideal for use in AVR-type applications
where a designer routes both the inputs and the outputs directly
to HDMI/DVI connectors. This type of layout is used on the
AD8191A evaluation board, as shown in Figure 31. When the
AD8191A is used in receiver type applications, it is necessary to
change the order of the output pins on the PCB to align with the
on-board receiver.
One advantage of the AD8191A in an AVR-type application is
that all of the high speed signals can be routed on one side (the
topside) of the board, as shown in Figure 31. In addition to 12 dB of
input equalization, the AD8191A provides up to 6 dB of output
pre-emphasis that boosts the output TMDS signals and allows
the AD8191A to precompensate when driving long
PCB traces or output cables. The net effect of the input
equalization and output pre-emphasis of the AD8191A is that
the AD8191A can compensate for the signal degradation of
both input and output cables; it acts to reopen a closed input
data eye and transmits a full-swing HDMI signal to an end
receiver.
The AD8191A also provides a distinct advantage in receive-type
applications because it is a fully buffered HDMI/DVI switch.
Although inverting the output pin order of the AD8191A on the
PCB requires a designer to place vias in the high speed signal
path, the AD8191A fully buffers and electrically decouples the
outputs from the inputs. Consequently, the effects of the vias
placed on the output signal lines are not seen at the input of the
AD8191A. The programmable output terminations also improve
signal quality at the output of the AD8191A. Therefore, the PCB
designer has significantly improved flexibility in the placement
and routing of the output signal path with the AD8191A over
other solutions.
相關(guān)PDF資料
PDF描述
AD8191ASTZ IC INTERFACE HDMI/DVI 100-LQFP
AD8192ACPZ-RL7 IC SW MUX HDMI/DVI 2:1 56LFCSP
AD8193ACPZ IC SWITCH TMDS BUFF 2:1 32LFCSP
AD8194ACPZ-R7 IC SWITCH TMDS BUFF 2:1 32LFCSP
AD8195ACPZ IC BUFF HDMI/DVI W/EQUAL 40LFCSP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8191AASTZ1 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:4:1 HDMI/DVI Switch with Equalization
AD8191AASTZ-RL 功能描述:IC SWITCH HDMI/DVI 4:1 100LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 模擬開(kāi)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(kāi)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(lèi)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)
AD8191AASTZ-RL1 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:4:1 HDMI/DVI Switch with Equalization
AD8191ACPZ 制造商:Analog Devices 功能描述:- Bulk
AD8191A-EVALZ 制造商:Analog Devices 功能描述:EVAL BD FOR AD8191A - Bulk
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