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Número de pieza | FMS64001CS1X | |
Descripción | Dual-Channel Video Driver | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
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FMS6400-1
Dual-Channel Video Driver with Integrated Filters and
Composite Video Summer
Features
5.0 MHz 5th-Order Y, C filters with Composite
Summer
Selectable 0dB or 6dB Gain
50dB Stop-Band Attenuation at 27MHz on Y, C,
and CV Outputs
No External Frequency Selection Components or
Clocks
AC-Coupled Inputs
AC-or DC-Coupled Outputs
Continuous Time Low-Pass Filters
0.4% / 0.4° Differential Gain/Phase on Y, C, and
CV Channels
Integrated DC-Restore Circuitry with Low Tilt
Lead (Pb) Free SOIC-8 Package
Description
The FMS6400-1 is a dual Y/C 5th-order Butterworth low-
pass video filter optimized for minimum overshoot and
flat group delay. The device 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
feedback clamps. The clamp pulse is derived from the
Y channel.
All outputs are capable of driving 2VPP, AC or DC
coupled, into either a single or dual video load. A single
video load consists of a series-75Ω impedance-
matching resistor connected to a terminated 75Ω line.
This presents a total of 150Ω of loading to the part. A
dual load is two of these in parallel, which presents a
total of 75Ω to the part. The gain of the Y, C, and CV
signals can be selected for 0dB or 6dB with 1VPP input
levels. All video channels are clamped during sync to
establish the appropriate output voltage reference
levels.
Applications
Cable Set-Top Boxes
Satellite Set-Top Boxes
DVD Players
Personal Video Recorders (PVR)
Video On Demand (VOD)
Related Applications Notes
AN-6041 PCB Layout Considerations for Video
Filter / Drivers
Ordering Information
Part Number
Operating
Temperature Range
FMS64001CS1X
0°C to +70°C
Eco
Status
RoHS
Package
8-Lead, Small-Outline Integrated Circuit (SOIC)
Packing
Method
2500 Reel
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
© 2004 Fairchild Semiconductor Corporation
FMS6400-1 • Rev. 1.0.1
www.fairchildsemi.com
1 page DC Specifications
TA = 25°C, VCC = 5.0V, VIN = 1VPP, ASEL = 1 (6dB gain); all input is AC coupled with 0.1µF; all output is AC coupled
with 220µF into a 150Ω load; referenced to 400kHz, unless otherwise noted.
Symbol
ICC
VIN
PSRR
Parameter
Supply Current(1)
Input Voltage Maximum
Power Supply Rejection Ratio
Note:
1. 100% tested at 25°C.
Conditions
No Load
All Channels DC
Min.
Typ.
50
1.4
50
Max.
65
Unit
mA
VPP
dB
AC Electrical Specifications
TA = 25°C, VCC = 5.0V, VIN = 1VPP, ASEL = 1 (6dB gain); all input is AC coupled with 0.1µF; all output is AC coupled
with 220µF into a 150Ω load; referenced to 400kHz, unless otherwise noted.
Symbol
Parameter
AV0dB
AV6dB
CSYNC
YSYNC
CVSYNC
tCLAMP
fFlat
fC
fSB
dG
Channel Gain(2)
Channel Gain(2)
COUT Output Level (During Sync)(2)
YOUT Output Level (During Sync)(2)
CVOUT Output Level (During Sync)(2)
Clamp Response Time (Y Channel)
Gain Flatness to 2.4MHz
-3dB Bandwidth(2)
Stopband Attenuation(2)
Differential Gain
dP Differential Phase
THD Output Distortion
XTALK
SNR
Crosstalk
Signal-to-Noise Ratio
Y, C Channel
CV Channel
tpd Propagation Delay
GD Group Delay Deviation
tSKEW
tCLGCV
tCLDCV
Skew Between YOUT and COUT
Chroma-Luma Gain CVOUT(2)
Chroma-Luma Delay CVOUT
Note:
2. 100% tested at 25°C,
Conditions
All Channel, ASEL = 0
All Channel, ASEL = 1
Sync Present on YIN
(after 6dB Gain)
Settled to within 10mV
All Channels
All Channels
All Channels at 27MHz
All Channels
All Channels
VOUT = 1.4VPP, 3.58MHz
At 3.58MHz
NTC-7 weighting; 4.2MHz
LP, 100kHz HP
All Channels
All Channels at 3.58MHz
At 1MHz
f = 3.58MHz (referenced to
YIN at 400KHz)
Min.
-0.25
5.75
0.80
0.20
0.20
4.1
37
94
Typ.
0
6.00
1.00
0.35
0.35
10
-0.05
5.1
52
0.4
0.4
0.3
-45
75
70
136
10
0
100
10
Max.
0.25
6.25
1.30
0.50
0.50
Unit
dB
dB
V
ms
dB
MHz
dB
%
°
%
dB
dB
ns
ns
ns
104 %
ns
© 2004 Fairchild Semiconductor Corporation
FMS6400-1 • Rev. 1.0.1
5
www.fairchildsemi.com
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet FMS64001CS1X.PDF ] |
Número de pieza | Descripción | Fabricantes |
FMS64001CS1X | Dual-Channel Video Driver | Fairchild Semiconductor |
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