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參數(shù)資料
| 型號： | FMS6143ACSX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DRIVER VIDEO FILTER 1CH 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 視頻濾波器 |
| 應(yīng)用： | 機頂盒，視頻播放器，錄音機 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FMS6143A Rev. 1.0.1
10
FMS6143A
—Three-Channel
6
th
-Order
Standard-Definition
VoltagePlus
Video
Filter
Driver
The same method can be used for biased signals, with
the addition of a pull-up resistor to make sure the clamp
never operates. The internal pull-down resistance is
800k ±20%, so the external resistance should be
7.5M to set the DC level to 500mV:
LCVF
Bias
Input
0.1μ
External video
source must
be AC coupled
500mV +/-350mV
75
7.5M
75
Figure 16. Biased SCART with DC-Coupled Outputs
The same circuits can be used with AC-coupled outputs
if desired.
DVD or
STB
SoC
DAC
Output
75
LCVF
Clamp
Active
0.1μ
0V - 1.4V
220μ
Figure 17. DC-Coupled Inputs, AC-Coupled Outputs
DVD or
STB
SoC
DAC
Output
LCVF
Clamp
Active
0.1μ
0V - 1.4V
75
220μ
Figure 18. AC-Coupled Inputs and Outputs
LCVF
Clamp
Active
0.1μ
External video
source must
be AC coupled
0V - 1.4V
220μ
75
Figure 19. Biased SCART with AC-Coupled Outputs
NOTE: The video tilt or line time distortion is dominated
by the AC-coupling capacitor. The value may need to be
increased beyond 220μF to obtain satisfactory operation
in some applications.
Power Dissipation
The FMS6143A output drive configuration must be
considered when calculating overall power dissipation.
Care must be taken not to exceed the maximum die
junction temperature. The following example can be
used to calculate the power dissipation and internal
temperature rise:
TJ = TA + PD JA
(1)
where: PD = PCH1 + PCH2 + PCH3 and
(2)
PCHX = VCC ICH - (VO
2/R
L)
(3)
where: VO = 2VIN + 0.280V
(4)
ICH = (ICC/3) + (VO/RL)
(5)
VIN = RMS value of input signal
ICC = 15mA
VCC = 3.3V
RL = channel load resistance.
Board layout can also affect thermal characteristics.
Refer to the Layout Considerations section for details.
The FMS6143A is specified to operate with output
currents typically less than 50mA, more than sufficient
for a dual (75) video load. Internal amplifiers are
current limited to a maximum of 100mA and should
withstand brief-duration short-circuit conditions. This
capability is not guaranteed.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FMS6143CS | 功能描述:視頻 IC Video Filter Driver 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 |
| FMS6143CSX | 功能描述:視頻 IC Video Filter Driver 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 |
| FMS6143CSX | 制造商:Fairchild Semiconductor Corporation 功能描述:Video Filter |
| FMS6143CSX_NA3M248 | 功能描述:緩沖器和線路驅(qū)動器 Video Filter Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| FMS6143CSX_NS5C002 | 功能描述:視頻 IC Video Filter Driver 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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