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參數(shù)資料
| 型號： | ADV3002BSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH HDMI/DVI 4:1 80LQFP |
| 產(chǎn)品變化通告： | Marking Change 25/Mar/2009 |
| 標準包裝： | 90 |
| 功能： | 開關 |
| 電路： | 1 x 4:1 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 3.6 V |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-LQFP |
| 供應商設備封裝： | 80-LQFP（14x14） |
| 包裝： | 托盤 |
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Data Sheet
ADV3002
Rev. B | Page 21 of 28
APPLICATIONS INFORMATION
HDMI MULTIPLEXER FOR ADVANCED TV
The ADV3002 is a complete HDMI/DVI link switch featuring
equalized TMDS inputs, ideal for systems with long cable runs.
The ADV3002 includes bidirectional buffering for the DDC bus
and CEC line, with integrated pull-up resistors for the CEC line.
Additionally, the ADV3002 includes an EDID replication function
that enables one EDID EEPROM to be shared for all four HDMI
ports. Alternatively, a system standby microcontroller can be
used instead of a dedicated EDID EEPROM to load the ADV3002
SRAM. Simplified application schematics are shown in Figure 37
and Figure 38 illustrating these two options.
HDTV SET
ADV3002
HDMI
Rx
OR
SoC
MAIN PCB
07905-
014
Figure 34. ADV3002 as an HDMI Multiplexer in an HDTV
TMDS Signals
TMDS signals can be routed from an HDMI connector directly
to the inputs of the ADV3002. Additional components are not
required for the TMDS signals.
DDC Signals
For the DDC input signals, 47 kΩ pull-up resistors to 5 V are
recommended.
CEC Signal
The CEC buffer in the ADV3002 provides a fully compliant
input in situations where a general-purpose microcontroller is
used to interpret CEC commands. The rise time of the CEC
buffer is set by the time constant of the pull-up resistance and
the capacitance on the node. A 2 kΩ pull-up resistor to 3.3 V is
recommended for optimal output rise times. If a 3.3 V is not
available when the system power is off, a Thevenin equivalent
2 kΩ pull-up resistor to 3.3 V is shown in Figure 35.
ADV3002
MCU
CEC_OUT
CEC_IN
3k
6k
5V_COMBINED
AMUXVCC
07905-
015
Figure 35. CEC Circuit
5 V Power
The individual 5 V power from each HDMI source can be routed
to the respective 5 V inputs of the ADV3002. The ADV3002
combines these four 5 V supplies into one labeled AMUXVCC
to support EDID replication and CEC functionality when the
local system power is off. An internal 5 V supply must be provided
so that power is not drawn from the HDMI sources when the
local system power is on. When the local supply is off, this internal
5 V should be high impedance. This can be assured by using a
Schottky diode, as shown in Figure 36.
P5V_A
5V INTERNAL
P5V_B
P5V_C
P5V_D
AMUXVCC
07905-
016
Figure 36. 5 V Power Connections
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADV3002BSTZ-RL | 功能描述:IC SWITCH HDMI/DVI 4:1 80-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關，多路復用器，多路分解器 系列:- 其它有關文件:STG4159 View All Specifications 標準包裝:5,000 系列:- 功能:開關 電路:1 x SPDT 導通狀態(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 供應商設備封裝:7-覆晶 包裝:帶卷 (TR) |
| ADV3002-EVALZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:4:1 HDMI/DVI Switch with Equalization, DDC/CEC Buffers and EDID Replication |
| ADV3002XSTZ | 功能描述:IC SWITCH HDMI/DVI 4:1 80LQFP 制造商:analog devices inc. 系列:- 包裝:托盤 零件狀態(tài):上次購買時間 類型:視頻開關 應用:HDTV，投影儀，機頂盒 安裝類型:- 封裝/外殼:- 供應商器件封裝:- 標準包裝:1 |
| ADV3002XSTZ-RL | 功能描述:IC SWITCH HDMI/DVI 4:1 80LQFP 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):上次購買時間 類型:視頻開關 應用:HDTV，投影儀，機頂盒 安裝類型:- 封裝/外殼:- 供應商器件封裝:- 標準包裝:1 |
| ADV3003 | 制造商:AD 制造商全稱:Analog Devices 功能描述:HDMI/DVI TMDS Equalizer |
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