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參數(shù)資料
| 型號(hào)： | MAX11504CUB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大小： | 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： | 50 |
| 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： | 管件 |
MAX11504/MAX11505
Four-Channel, Standard-Definition
Video Filters
8
_______________________________________________________________________________________
Applications Information
Output Configuration
The MAX11504/MAX11505 outputs may be either DC-
or AC-coupled. If AC-coupled, choose a capacitor that
passes the lowest frequency content of the video signal,
and keep the line-time distortion within desired limits. The
capacitor value is a function of the input leakage and
impedance of the circuit being driven. Common industry
practice is to use a 220F or larger coupling capacitor. If
any or all outputs are driving two parallel loads, see the
Junction Temperature Calculations section.
The MAX11504/MAX11505 outputs are fully protected
against short circuits either to the ground or the positive
supply of the device. The short-circuit protection cir-
cuitry limits the output current to 80mA (typical) per out-
put. Shorting more than one output simultaneously can
exceed the maximum package power dissipation.
Junction Temperature Calculations
Die temperature is a function of quiescent power dissi-
pation and the power dissipation in the output drivers.
Calculate the power dissipated PD using:
where PDS is the quiescent power dissipated in the die,
and given by:
and where PDOn is the power dissipated in the nth dri-
ver stage and given by:
where VORMSn is the RMS output voltage and RL is the
load resistance.
Example - Assuming these conditions:
1) Video standard = 525/60/2:1.
2) Video format = RGB with syncs on all channels.
3) Picture content = 100% white.
4) The input signal is AC-coupled.
5) The output signal is DC-coupled.
6) VCC = 5.0V.
7) ICC = 24mA.
A sync tip exists at 280mV and peak white exists at
2.28V. The RMS voltage will be approximately 1.88V on
each output (80% of the peak-peak voltage, plus the
offset) giving:
and
The junction temperature is given by:
where TJ = junction temperature, TA = ambient temper-
ature (assume +70°C) and RθJA = thermal resistance
junction to ambient.
From the
Absolute Maximum Ratings section of the
data sheet, the derating factor is 8.8mW/°C above
+70°C. RθJA = 1/(derating factor) = 1/(8.8mW/°C) =
113°C/W.
Therefore:
If there is only one video load on each output, the junc-
tion temperature lowers to:
The above calculations assume the use of a multilay-
ered board with extensive ground planes for high ther-
mal efficiency. Using such a board is especially
important in applications where there are two video
loads on each channel.
TC
J =+
°
101
TC
J =+
×
= +
°
70 113
0 432
119
.
TT
R
P
J
A
JA
D
=+
×
()
θ
PW
D =
++++=
0 12 0 078 0 078 0 078 0 078 0 432
.
.....
PW
DOn =
×
=
(.
)
.
5 1 88
1 88
75
0 078
PW
DS =×
=
5 0 024
0 12
..
P
VV
V
R
DOn
CC
ORMSn
L
=
×
()
PV
I
DS
CC
=×
P
PPP
D
DS
DO
DODODO
=
+
+++
1
234
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX11504CUB+ | 功能描述:視頻 IC 4Ch Standard-Def Video Filter 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 |
| MAX11504CUB+T | 功能描述:視頻 IC 4Ch Standard-Def Video Filter 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 |
| MAX11504EVKIT+ | 功能描述:視頻 IC 開(kāi)發(fā)工具 MAX11504 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(píng)估:LMH1251 工作電源電壓:5 V |
| MAX11505 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Four-Channel, Standard-Definition Video Filter |
| MAX11505CUB+ | 功能描述:視頻 IC 4Ch Standard-Def Video Filter 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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