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PDF FMS6203 Data sheet ( Hoja de datos )
| Número de pieza | FMS6203 | |
| Descripción | Low-cost 3-Channel Video Filter Drivers | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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April 2006
FMS6203
Low-cost 3-Channel Video Filter Drivers for SD/PS/HD
Features
■ Three 6th order video anti-aliasing or reconstruction filters
■ Supports Component YPrPb or RGB video
■ Three channels selectable to 8MHz,16MHz, 32MHz for SD/
PS/HD applications
■ Includes wide bandwidth bypass mode
■ 6dB gain option available for 150Ω, doubly terminated video load
■ 0dB gain option available for high-impedance loading
■ Selectable Clamp or Bias mode on Pb,Pr / B,R inputs
■ Inputs and outputs can be either AC or DC coupled
■ DC-coupled outputs eliminate expensive coupling capacitors
■ Output Disable
■ 5V Only
■ 2kV CDM / 8kV HBM ESD protection
■ Lead (Pb) Free packages - TSSOP-14
Applications
Description
The FMS6203 offers comprehensive filtering for set top box or
DVD applications. It is intended to replace passive LC filters and
drivers with a low-cost integrated device.
Filter channels are specialized for either component (YPbPr) or
RGB video signals. These channels offer selectable frequency
response of 8, 16, or 32MHz. The filters can also be bypassed
for high-frequency operation. Additional functionality of these
channels include input biasing mode and output disable.
The FMS6203 may be driven directly by a DC-coupled DAC out-
put or an AC-coupled signal. All inputs accept standard 1Vpp
video signals.
Each channel includes an output amplifier capable of driving a
single (150Ω), AC or DC-coupled video load. All outputs can be
disabled to save power in DC coupled applications.
The device is available in two factory set options, a 0dB gain
option and a 6dB gain option.
■ Cable and Satellite set top boxes
■ DVD players
■ HDTV
■ Personal Video Recorders (PVR)
■ Video On Demand (VOD)
www.DataSheet4U.com
Functional Block Diagram
Y/G In
Clamp
Pb/B In
Bias
Pr/R In
FSEL0
FSEL1
OE
Clamp / Bias
Clamp / Bias
SD PS HD BP
SD PS HD BP
SD PS HD BP
Y/G Out
Pb/B Out
Pr/R Out
Factory Option
0dB or 6dB Gain
©2006 Fairchild Semiconductor Corporation
FMS6203 Rev. 1A
1
www.fairchildsemi.com
1 page  
High Definition Electrical Characteristics
Tc = 25°C, Vin = 1Vpp, Vcc = 5V, Rsource = 37.5Ω, all inputs AC coupled with 0.1µF, all outputs AC coupled
with 220µF into 150Ω loads, referenced to 400kHz, all gain options; unless otherwise noted.
Symbol
Parameter
Conditions
AVHD
f1dBHD
fcHD
fSBHD
THD
XTALKHD
SNR
Channel Gain Error1
-1dB Bandwidth1
-3dB Bandwidth
Attenuation(stopband reject)1 f = 74.25MHz
Output Distortion
VOUT = 0.7Vpp, 22MHz ; 0dB ; 10kΩ load
VOUT = 1.4Vpp, 22MHz ; 6dB ; 150Ω load
Crosstalk (ch-to-ch)
1 MHz
30 MHz
Signal-to-Noise Ratio2
Unweighted, 100kHz to 30MHz
tpdHD
Propagation Delay
Delay from input to output, 20MHz
Min.
-0.4
28
30
Typ.
0
31
32
40
0.5
0.5
-75
-57
66
25
Max
0.4
Units
dB
MHz
MHz
dB
%
%
dB
dB
dB
ns
Bypass Mode Electrical Characteristics
Tc = 25°C, Vin = 1Vpp, Vcc = 5V, Rsource = 37.5Ω, all inputs AC coupled with 0.1µF, all outputs AC coupled
with 220µF into 150Ω loads, referenced to 400kHz, all gain options; unless otherwise noted.
Symbol
AVBP
f1dBBP
fcBP
Parameter
Channel Gain Error1
-1dB Bandwidth
-3dB Bandwidth
THD
Output Distortion
XTALKBP
SNR
Crosstalk (ch-to-ch)
Signal-to-Noise Ratio2
Conditions
DC
Min.
-0.4
VOUT = 0.7Vpp, 22MHz ; 0dB ; 10kΩ load
VOUT = 1.4Vpp, 22MHz ; 6dB ; 150Ω load
1 MHz
30 MHz
Unweighted, 100kHz to 30MHz
Typ.
0
90
115
0.3
0.25
-74
-64
70
Max
0.4
Units
dB
MHz
MHz
%
%
dB
dB
dB
Notes:
1. 100% tested at 25°C
2. SNR = 20 * log (714mV / rms noise)
Frequency Select Truth Table
FSEL1
0
0
1
1
FSEL0
0
1
0
1
Filter Freq
8MHz
16MHz
32MHz
Bypass
Video Format
SD,480i
PS,480p
HD,1080i,720p
-
Sync Format
Bi-level, 4.7µs pulse width
Bi-level, 2.35µs pulse width
Tri-level, 589ns pulse width
-
FMS6203 Rev. 1A
5 www.fairchildsemi.com
5 Page | ||
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| PDF Descargar | [ Datasheet FMS6203.PDF ] | |
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