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參數(shù)資料
| 型號： | MAX11505CUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC STD VIDEO FILTER 4CH 10UMAX |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 視頻濾波器 |
| 應(yīng)用： | DVD，機(jī)頂盒 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
MAX11504/MAX11505
Four-Channel, Standard-Definition
Video Filters
_______________________________________________________________________________________
7
For bipolar signals such as C, Pb, and Pr, bias the AC-
coupled inputs to a fixed DC voltage, typically 0.59V, to
ensure that the transparent clamp remains off. A suit-
able network is shown in Figure 4. Determine the bias
voltage using:
where IL = the input leakage current (typically 0.5A).
Standard-Definition Filters
The MAX11504/MAX11505 filters are optimized to deliv-
er a flat passband along with high stopband attenua-
tion. The filter characteristic has been chosen to provide
an excellent time domain response with low overshoot.
The typical -3dB frequency of 8.6MHz guarantees mini-
mal attenuation in the passband while at the same time
offering a 27MHz attenuation of typically -50dB.
Channel 1 of the MAX11505 has 0.8dB of high-frequency
boost and a -3dB frequency of 8.9MHz.
Output Buffer
The MAX11504/MAX11505 feature output buffers with
+6dB gain that drive two standard 150 video loads.
A typical load (Figure 5a) is a 75 back-match
resistor, an optional 220F or larger coupling
capacitor, and a 75 termination resistor. The
MAX11504/MAX11505 clamp the signal, forcing the
blanking level to less than 1V at the termination resis-
tor. This allows driving video loads to meet digital TV
specifications without the need for costly AC-coupling
capacitors. When driving two parallel loads per output
(Figure 5b), thermal considerations must be taken into
account, especially for DC-coupled outputs (see the
Junction Temperature Calculations section.)
V
R
RR
VI
R
BCC
L
=
+
×
2
12
1
(
)
IN_
R2
120k
R1
820k
0.1F
DAC
ENCODER
MAX11504
MAX11505
VCC
Figure 4. AC-Coupling for Bipolar Signals (C, Pb, Pr)
(a)
(b)
OUT_
75
220F
(OPTIONAL)
75
MAX11504
MAX11505
OUT_
MAX11504
MAX11505
75
220F
(OPTIONAL)
75
220F
(OPTIONAL)
75
Figure 5. Typical Output Loads
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11506 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, 6-Channel SD Plus HD/SD Selectable Video Filters and Buffers |
| MAX11506CEE | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, 6-Channel SD Plus HD/SD Selectable Video Filters and Buffers |
| MAX11506CEE+ | 功能描述:視頻 IC 6Ch SD+HD/SD Select Video Filters & Buff 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 |
| MAX11506CEE+T | 功能描述:視頻 IC 6Ch SD+HD/SD Select Video Filters & Buff 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 |
| MAX11506EVKIT+ | 功能描述:視頻 IC 開發(fā)工具 MAX11506 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
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