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| 型号： | ADV3002BSTZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/28页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH HDMI/DVI 4:1 80LQFP |
| 产品变化通告： | Marking Change 25/Mar/2009 |
| 标准包装： | 90 |
| 功能： | 开关 |
| 电路： | 1 x 4:1 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 3 V ~ 3.6 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 80-LQFP |
| 供应商设备封装： | 80-LQFP（14x14） |
| 包装： | 托盘 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADV3002BSTZ-RL | 功能描述:IC SWITCH HDMI/DVI 4:1 80-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 其它有关文件:STG4159 View All Specifications 标准包装:5,000 系列:- 功能:开关 电路:1 x SPDT 导通状态电阻:300 毫欧 电压电源:双电源 电压 - 电源，单路/双路(±):±1.65 V ~ 4.8 V 电流 - 电源:50nA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:7-WFBGA，FCBGA 供应商设备封装:7-覆晶 包装:带卷 (TR) |
| ADV3002-EVALZ | 制造商:AD 制造商全称: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:- 包装:托盘 零件状态:上次购买时间 类型:视频开关 应用:HDTV，投影仪，机顶盒 安装类型:- 封装/外壳:- 供应商器件封装:- 标准包装:1 |
| ADV3002XSTZ-RL | 功能描述:IC SWITCH HDMI/DVI 4:1 80LQFP 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:上次购买时间 类型:视频开关 应用:HDTV，投影仪，机顶盒 安装类型:- 封装/外壳:- 供应商器件封装:- 标准包装:1 |
| ADV3003 | 制造商:AD 制造商全称:Analog Devices 功能描述:HDMI/DVI TMDS Equalizer |
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