FMS6418B Triple Video Driver with Selectable HD/SD Video Filters for RGB, YUV or YPbPr Signals
November 2005
FMS6418B
Triple Video Driver with Selectable HD/SD
Video Filters for RGB, YUV or YPbPr Signals
Features
■
■
■
■
■
■
■
■
Three video anti-aliasing or reconstruction filters
YUV/RGB/YPbPr signal support
2:1 MUX inputs for multiple RGB/YUV/YPbPr inputs
Selectable 8MHz or 32MHz 6th order filters
for SD/HD applications
DC coupled input, AC coupled output
All outputs can drive AC coupled 150
Ω
loads and
provide 6dB of gain
0.6% differential gain with 0.15° differential phase
36dB/octave roll-off on all channels
Description
The FMS6418B offers comprehensive filtering for set-top box or
DVD applications. This part consists of a triple 6th order filter
with selectable 32MHz or 8MHz frequencies.
A 2-to-1 multiplexer is provided on each filter channel. The triple
filters can accomodate either YUV, RGB, or YPbPr signals. All
channels accept DC coupled ground-referenced 1V signals.
The filters provide 2V
pp
signals into AC coupled terminated
loads. The low-pass filters are powered by 3.3V and the outputs
by 5.0V.
The FMS6418B is available in both 16-pin SOIC and 14-pin
TSSOP packages.
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Lead (Pb) Free packages - SOIC-16 or TSSOP-14
Applications
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Cable set-top boxes
Satellite set-top boxes
DVD players
HDTV
Personal Video Recorders (PVR)
Video On Demand (VOD
Functional Block Diagram
INMUX (A/B)
Filter Select (HD/SD)
RinA (VinA)
6dB
Rout (Vout)
RinB (VinB)
GinA (YinA)
6dB
Gout (Yout)
GinB (YinB)
BinA (UinA)
6dB
Bout (Uout)
BinB (UinB)
FMS6418B Rev. 5G
1
www.fairchildsemi.com
©2005 Fairchild Semiconductor Corporation
FMS6418B Triple Video Driver with Selectable HD/SD Video Filters for RGB, YUV or YPbPr Signals
Pin Configurations
IN
MUX
R
INA
R
INB
G
INA
G
INB
B
INA
B
INB
1
2
3
4
5
6
7
FMS6418BMTC14
14 F
SEL
13 V
SS
14-pin TSSOP
IN
MUX
R
INA
R
INB
G
INA
G
INB
B
INA
B
INB
NC
1
2
3
4
5
6
7
8
FMS6418BM16
16-pin SOIC
16
15
14
13
12
11
10
9
F
SEL
V
SSA
V
SSO
R
OUT
G
OUT
B
OUT
V
CCO
V
CCA
12 R
OUT
11 G
OUT
10 B
OUT
9
8
V
CCO
V
CCA
Pin Assignments
TSSOP-14
SOIC-16
Pin Name
Description
Equivalent Circuit
V
CC
1
1
IN
MUX
Logic input selects between channel
<A> or <B> of the RGB inputs.
(1): RGB A input, (0): RGB B input
Logic Input selects between (0) SD
(8MHz) and (1) HD (32MHz) filters
14
16
F
SEL
1
1
16
14
V
SSO
2
3
4
5
6
7
2
3
4
5
6
7
R
INA
R
INB
G
INA
G
INB
B
INA
B
INB
Analog RED video input - Channel A
Analog RED video input - Channel B
Analog GREEN video input - Channel A
Analog GREEN video input - Channel B
Analog BLUE video input - Channel A
Analog BLUE video input - Channel B
V
CC
2
3
4
5
6
7
2
3
4
5
6
7
V
SSA
N/A
8
9
10
8
9
10
11
NC
V
CCA
V
CCO
B
OUT
No Connect (float pin)
+3.3V power supply for filters
+5V power supply for output buffers
Filtered Analog BLUE video output
from either B
INA
or B
INB
Filtered Analog GREEN video output
from either G
INA
or G
INB
Filtered Analog RED video output from
either R
INA
or R
INB
V
SSO
V
CC
11
12
G
OUT
11
10
12
11
13
12
12
13
R
OUT
N/A
N/A
13
14
15
N/A
V
SSO
V
SSA
V
SS
Ground for output buffers
Ground for filters
Ground
11
= TSSOP-14 Pin Numbers
11
= SOIC-16 Pin Numbers
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2
FMS6418B Rev. 5G
FMS6418B Triple Video Driver with Selectable HD/SD Video Filters for RGB, YUV or YPbPr Signals
Reliability Information
Parameter
Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10s)
Thermal Resistance (
θ
JA
),
JEDEC Standard Multi-layer Test Boards, Still Air
70
-65
Min.
Typ.
Max.
+150
+150
+300
Unit
°C
°C
°C
°C/W
Absolute Maximum Ratings
Parameter
DC Supply Voltage
Analog and Digital I/O
Output Current Any One Channel (Do Not Exceed)
Min.
-0.3
-0.3
Max.
6
V
CCO
+0.3
35
Unit
V
V
mA
Recommended Operating Conditions
Parameter
Operating Temperature Range
V
CCO
Range
V
CCA
Range
Min.
0
4.75
3.135
Typ.
5.0
3.3
Max.
70
5.25
3.465
Unit
°C
V
V
FMS6418B Rev.5G
3
www.fairchildsemi.com
FMS6418B Triple Video Driver with Selectable HD/SD Video Filters for RGB, YUV or YPbPr Signals
Electrical Characteristics
(
T
C
= 25°C, V
i
= 1V
pp
; V
CCA
= 3.3V, V
CCO
= 5.0V, all inputs DC coupled, all outputs AC coupled with 220
µ
F into
150
Ω
, referenced to 400kHz; unless otherwise noted)
Symbol
I
CCA
I
CCO
V
i
V
il
V
ih
PSSR
Parameter
Supply Current
1
Supply Current
1
Input Voltage Max
Digital Input
Low
1
Digital Input High
1
PSSR (all channels)
Conditions
V
CCA
no load
V
CCO
no load
Reference to ground
F
SEL
, IN
MUX
F
SEL
, IN
MUX
DC
Min.
35
30
Typ.
45
45
1.3
Max
70
60
Units
mA
mA
V
0
2.4
-40
0.8
V
CCO
V
V
dB
Standard Definition Electrical Specifications
(
T
C
= 25°C, V
i
= 1V
pp
; V
CCA
= 3.3V, V
CCO
= 5.0V, F
SEL
= 0, all inputs DC coupled, all outputs AC coupled with
220
µ
F into 150
Ω
, referenced to 400kHz; unless otherwise noted)
Symbol
AV
RGBSD
f
1dBSD
f
CSD
f
SBSD
dG
d
φ
THD
X
TALK
IN
MUXISO
SNR
t
pdSD
Parameter
RGB SD Gain
1
-1dB Bandwidth for SD
1
-3dB Bandwidth for SD
1
Attenuation: SD (stopband
Differential Gain
Differential Phase
Output Distortion (all channels)
Crosstalk (channel-to-channel)
IN
MUX
Isolation
Signal-to-Noise Ratio
Prop Delay for SD
reject)
1
Conditions
R,G,B channels SD Mode
R,G,B channels
R,G,B channels
R,G,B channels at f = 27MHz
R,G,B channels
R,G,B channels
V
OUT
= 1.8V
pp
, RGB Out at 1MHz
at 1MHz
at 1MHz
R,G,B channels, NTC-7 weighting
4.2MHz lowpass, 100kHz highpass
Delay from input to output at 4.5MHz
Min.
5.6
5.0
6.0
-50
Typ.
6.0
7.1
8.2
-60
0.6
0.15
0.4
-70
-90
73
70
Max
6.4
Units
dB
MHz
MHz
dB
%
°
%
dB
dB
dB
ns
High Definition Electrical Specifications
(
T
C
= 25°C, V
i
= 1V
pp
; V
CCA
= 3.3V, V
CCO
= 5.0V, F
SEL
= 1, all inputs DC coupled, all outputs AC coupled with
220
µ
F into 150
Ω
, referenced to 400kHz; unless otherwise noted)
Symbol
AV
RGBHD
f
1dBHD
f
CHD
f
SBHD
X
TALKB
IN
MUXISO
SNR
t
pdHD
Parameter
RGB HD Gain
1
-1dB Bandwidth for HD
1
-3dB Bandwidth for HD
1
Conditions
R,G,B channels HD Mode
R,G,B channels
R,G,B channels
Min.
5.6
25
30
-35
Typ.
6.0
27
32
-40
-70
-90
73
20
Max
6.4
Units
dB
MHz
MHz
dB
dB
dB
dB
ns
Attenuation: HD (stopband reject)
1
R,G,B channels at f = 74.25MHz
Crosstalk (channel-to-channel)
IN
MUX
Isolation
Signal-to-Noise Ratio
Prop Delay for HD
at 1MHz
at 1MHz
R,G,B channels, Unified Weighting
Delay from input to output at 20MHz
Notes:
1. 100% tested at 25°C
www.fairchildsemi.com
4
FMS6418B Rev. 5G
FMS6418B Triple Video Driver with Selectable HD/SD Video Filters for RGB, YUV or YPbPr Signals
Standard Definition Typical Performance Characteristics
(
T
C
= 25°C, V
i
= 1V
pp
; V
CCA
= 3.3V, V
CCO
= 5.0V, F
SEL
= 0, all inputs DC coupled, all outputs AC coupled with
220
µ
F into 150
Ω
, referenced to 400kHz; unless otherwise noted)
Figure 1. SD Frequency Response
10
0
-10
0.50
Figure 2. SD Gain Flatness
Normalized Gain (dB)
30
12
0.40
0.30
0.20
0.10
0
-0.10
-0.20
-0.30
-0.40
-0.50
18
21
24
27
400kHz
1
2
3
4
5
6
7
Gain (dB)
-20
-30
-40
-50
-60
-70
Mkr Frequency
Ref
400kHz
1
2
3
7.25MHz
8.0MHz
27MHz
Gain
6dB
-1dB BW
-3dB BW
-58.8dB
3
f
SBSD
= Gain
(ref)
– Gain
(3)
= -64.8dB
-80
400kHz 3
6
9
12
15
Frequency (MHz)
Frequency (MHz)
Figure 3. Noise vs. Frequency
-40
0.6
Figure 4. Differential Gain
NTSC
Differential Gain (%)
-50
0.4
Noise (dB)
-60
-70
-80
-90
-100
0
1.0
2.0
3.0
4.0
5.0
0.2
0
Min = 0.0
Max = 0.40
ppMax = 0.39
-0.2
1st
2nd
3rd
4th
5th
6th
Frequency (MHz)
Figure 5. Group Delay vs. Frequency
30
20
10
0.10
Figure 6. Differential Phase
NTSC
Differential Phase (deg)
1
Delay (10ns/div)
0
-10
-20
-30
-40
-50
-60
-70
400kHz
5
10
15
20
25
30
1 = 8.2MHz (25.356ns)
0
-0.10
-0.20
Min = -0.17
Max = 0
ppMax = 0.17
-0.30
1st
2nd
3rd
4th
5th
6th
Frequency (MHz)
FMS6418B Rev. 5G
5
www.fairchildsemi.com
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