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參數(shù)資料
| 型號： | MAX9406 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | DisplayPort to DVI/HDMI Level Shifter |
| 中文描述： | DisplayPort至DVI™/HDMI電平轉(zhuǎn)換器 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 309K |
| 代理商： | MAX9406 |
M
DisplayPort to DVI/HDMI Level Shifter
6
_______________________________________________________________________________________
Detailed Description
The MAX9406 high-speed, low-skew, quad differential
input to CML translator is designed for high-speed sig-
nal conversion of the DP to HDMI technology. This
device features ultra-low propagation delay of 350ps
and channel-to-channel skew of less than 20ps. The
MAX9406 supports typical data rates of 2Gbps.
The MAX9406 provides the level shift for HDMI’s DDC
and HPD, which converts the 5V single-ended logic to
3.3V single-ended logic.
High-Speed Signal Enables
OE
controls the power through the entire length of the
four high-speed signal paths. Setting
OE
low enables
all of the high-speed signal paths. Setting
OE
high dis-
ables all high-speed links and disconnects the internal
biasing supply and brings the device to the low-power
state. In the low-power state, however, the DDC and
HPD ports are still functioning.
Display Data Channel (DDC)
The MAX9406 allows the translation between 5V and 3V
of the lower speed DDC lines. Whenever one side is
pulled to GND, the other side follows and vice versa.
DDC_EN controls the gating to the DDC link. Setting
DDC_EN high enables data to pass through the DDC,
while setting DDC_EN low disables the DDC link.
Hot-Plug Detection (HPD)
The MAX9406 translates the HPD 5V logic into 3V logic.
Applications Information
DVI/HDMI Driver
The MAX9406 can be used as the driver for the HDMI
signal on the motherboard. The MAX9406 CML output
provides a > 400mV differential HDMI output and sup-
ports 3.3V pullup at the differential outputs. The level
shifter boosts the differential signal from the graphics
chip to the HDMI connector, located on the edge of the
motherboard.
High-Speed Signal Line Enable/Disable
The MAX9406 allows use of the DDC lines independent
of the state of the high-speed signal lines and the
OE
pin. This allows communication through DDC without
any high-speed signals.
Output Termination
Terminate CML outputs through 50
Ω
to V
CC
or use an
equivalent Thevinin termination. Terminate both outputs
and use identical terminations on each for the lowest
output-to-output skew.
Power-Supply Bypassing
Adequate power-supply bypassing is necessary to
maximize the performance and noise immunity. Bypass
V
CC
to GND with high-frequency surface-mount 0.01μF
ceramic capacitors as close to the device as possible.
Use multiple bypass vias for connection to minimize
inductance.
Functional Diagram
MAX9406
IN_D1-
IN_D1+
OUT_D1-
OUT_D1+
VT
50
Ω
x2
IN_D2-
IN_D2+
OUT_D2-
OUT_D2+
VT
50
Ω
x2
IN_D3-
IN_D3+
OUT_D3-
OUT_D3+
VT
50
Ω
x2
IN_D4-
IN_D4+
OUT_D4-
OUT_D4+
SDA_SRC
SCK_SRC
SDA_SNK
SCK_SNK
VT
50
Ω
x2
DDC LEVEL SHIFTER
HPD BUFFER
HPD_SRC
HPD_SNK
60k
Ω
V
CC
GND
OE
DDC_EN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9406ETJ+ | 功能描述:視頻 IC Displayport To DVI / HDMI Level Shifter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9406ETJ+G071 | 功能描述:視頻 IC Displayport To DVI / HDMI Level Shifter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9406ETJ+T | 功能描述:視頻 IC Displayport To DVI / HDMI Level Shifter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9406ETJ+TG071 | 功能描述:視頻 IC Displayport To DVI / HDMI Level Shifter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX9406ETM+ | 功能描述:視頻 IC Displayport To DVI / HDMI Level Shifter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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