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FMS6400CS1X Datasheet

  • FMS6400CS1X

  • Dual Channel Video Drivers with Integrated Filters and Compo...

  • 8頁

  • FAIRCHILD

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FMS6400-1 Dual Channel Video Drivers with Integrated Filters and Composite Video Summer
June 2005
FMS6400-1
Dual Channel Video Drivers with Integrated Filters and
Composite Video Summer
Features
鈻?/div>
5.0 MHz 5th order Y,C filters with composite summer
鈻?/div>
Selectable for 0dB or 6dB gain
鈻?/div>
50dB stopband attenuation at 27MHz on Y, C and CV outputs
鈻?/div>
No external frequency selection components or clocks
鈻?/div>
AC-Coupled Inputs
鈻?/div>
AC or DC-Coupled Outputs
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Continuous time low pass filters
鈻?/div>
0.4% / 0.4擄 differential gain/phase on Y,C and CV channels
鈻?/div>
Integrated DC restore circuitry with low tilt
鈻?/div>
Lead (Pb) Free SOIC-8 Package
Description
The FMS6400-1 is a dual Y/C 5th order Butterworth lowpass
video filter optimized for minimum overshoot and flat group
delay. The device also contains a summing circuit to generate
filtered composite video. In a typical application, the Y and C
input signals from DACs are AC coupled into the filters. Both
channels have DC restore circuitry to clamp the DC input levels
during video sync. The Y and C channels use separate feed-
back clamps. The clamp pulse is derived from the Y channel.
All outputs are capable of driving 2V
pp
, AC or DC coupled, into
either a single or dual video load. A single video load consists of
a series 75鈩?impedance matching resistor connected to a ter-
minated 75鈩?line. This presents a total of 150鈩?of loading to the
part. A dual load would be two of these in parallel which would
present a total of 75鈩?to the part. The gain of the Y, C and CV
signals can be selected for 0dB or 6dB with 1V
pp
input levels. All
video channels are clamped during sync to establish the appro-
priate output voltage reference levels.
Applications
鈻?/div>
Cable and Satellite set top boxes
鈻?/div>
DVD players
鈻?/div>
Personal Video Recorders (PVR)
鈻?/div>
Video On Demand (VOD)
Block Diagrams
VCC
7
Sync Strip
Reference and
Timing
0 or
6dB
YIN
1
8
YOUT
gM
250mV
+
S
+
6
CVOUT
gM
250mV
CIN
4
0 or
6dB
5
COUT
3
GND
2
ASEL
漏2004 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
FMS6400-1 Rev. 1A

FMS6400CS1X 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • 線性 - 視頻處理

  • -

  • 驅(qū)動(dòng)器

  • 錄音機(jī)，機(jī)頂盒

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOICN

  • Digi-Reel®

  • FMS6400CS1XDKR

FMS6400CS1X相關(guān)型號PDF文件下載

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