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參數(shù)資料
| 型號(hào)： | MAX9516ALB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO FILTER AMP 1.8V 10-UDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | DirectDrive® |
| 應(yīng)用： | 重構(gòu)濾波器 |
| 電路數(shù)： | 1 |
| 電流 - 電源： | 3.1mA |
| 電流 - 輸出 / 通道： | 81mA |
| 電壓 - 電源，單路/雙路(±)： | 1.7 V ~ 2.63 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-WFDFN |
| 供應(yīng)商設(shè)備封裝： | 10-uDFN（2x2） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1392 (CN2011-ZH PDF) |
| 其它名稱： | MAX9516ALB+TDKR |
MAX9516
1.8V, Ultra-Low-Power, DirectDrive
Video Filter Amplifier with Load Detect
______________________________________________________________________________________
11
Video Source with a Positive DC Bias
In some applications, the video source generates a sig-
nal with a positive DC voltage bias,
i.e., the sync tip of
the signal is well above ground. Figure 6 shows an
example in which the outputs of the luma (Y) DAC and
the chroma (C) DAC are connected together. Since the
DACs are current mode, the output currents sum togeth-
er into the resistor, which converts the resulting current
into a voltage representing a composite video signal.
If the chroma DAC has an independent output resistor
to ground, then the chroma signal, which is a carrier at
3.58MHz for NTSC or at 4.43MHz for PAL, has a posi-
tive DC bias to keep the signal above ground at all
times. If the luma DAC has an independent output
resistor to ground, then the luma signal usually does
not have a positive DC bias, and the sync tip is at
approximately ground. When the chroma and luma sig-
nals are added together, the resulting composite video
signal still has a positive DC bias. Therefore, the signal
must be AC-coupled into the MAX9516 because the
composite video signal is above the nominal, DC-cou-
pled 0V to 0.25V input range.
Video Signal Routing
Minimize the length of the PCB trace between the out-
put of the video DAC and the input of the MAX9516 to
reduce coupling of external noise into the video signal.
If possible, shield the PCB trace.
MAX9516
LOAD SENSE
VDD
VIDEO
AMPLIFIER
LUMA (Y)
CHROMA (C)
SHDN
IN
DC
LEVEL SHIFT
CLAMP
1.8V
VDD
OUT
75
75
LOAD
CHARGE PUMP
LINEAR
REGULATOR
C1
1
F
C2
1
F
0.1
F
0.1
F
LPF
GND
CPGND
C1P
C1N
VSS
DAC
VIDEO
ASIC
Figure 6. Luma (Y) and Chroma (C) Signals Added Together to Create Composite Video Signal (Which is AC-Coupled Into the
MAX9516)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9516EVKIT+ | 功能描述:放大器 IC 開發(fā)工具 MAX9516 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| MAX9517ATC+ | 功能描述:視頻放大器 Standard-Definition Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9517ATC+T | 功能描述:視頻放大器 Standard-Definition Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX9517EVKIT+ | 功能描述:放大器 IC 開發(fā)工具 MAX9517/24 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| MAX9519ARS+T | 功能描述:視頻放大器 Video Filter Amp RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
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