NCS2563DR2G

NCS2563
http://onsemi.com
7
APPLICATIONS INFORMATION
The NCS2563 triple video driver has been optimized for
High Definition video applications covering the
requirements of the standards 720p, 1080i and related
(RGB). All the 3 channels feature the same specifications
and similar behaviors guaranteed by a high
channeltochannel crosstalk isolation (down to 60 dB at
1 MHz). Each channel provides an internal
voltagetovoltage gain of 2 from its input to its output
reducing by the way the number of external components
usually needed in the case of some discrete approaches
(using standalone op amps). An internal level shifter is
employed shifting up the output voltage by adding an offset
of about 280 mV. This avoids sync pulse clipping and allows
DCcoupled output to the 150 W video load. In addition, the
NCS2563 integrates a 6
th
order Butterworth filter per
channel with a 3 dB frequency bandwidth of 30 MHz. This
allows rejecting out the aliases or unwanted oversampling
effects produced by the video DAC. It works the same way
for DVD recorders using ADC, this antialiasing filter
(reconstruction filter) will avoid picture quality issue and
will help also to filter out parasitic signals caused by EMI
interference.
A builtin diodelike clamp is used into the chip for each
channel to support ACcoupled mode of operation. The
clamp is active when the input signal goes below 0 V.
Figure 11. ACCoupled Inputs and Outputs
DAC
0V
1V
2.28V
0.28V
75W
75W
75W
1V
PP
0.7V
PP
Z
O
= 75W
Z
O
= 75W
Z
O
= 75W
75W
75W
75W220mF
220mF
220mF
OUT1
OUT2
OUT3
2.28V
0.28V
0.1mF
0.1mF
0.1mF
R
S
R
S
R
S
IN1
IN2
IN3
Y, R’, G’, B’
Pb, Pr
Clamp Clamp Clamp
Figure 11 shows an example for which the external video
source coming from the DAC is ACcoupled at the input and
output. But thanks to the builtin transparent clamp and
level shifter the device can operate in different configuration
modes depending essentially on the DAC output signal level
High and Low and how it fits the input common mode
voltage of the video driver. When the configuration is
DCCoupled at the Inputs and Outputs the 0.1 mF and
220 mF coupling capacitors are no longer used, the clamps
are in that case inactive; this configuration has the big
advantage of being relatively low cost with the use of less
external components.
The input is ACcoupled if the inputsignal amplitude
goes over the range 0 V to 1.4 V or if the video source
requires a coupling. In some circumstances it may be
necessary to autobias signals by the addition of a pullup
and pulldown resistor or only pullup resistor (Typical
7.5 MW combined with the internal 800 kW pulldown)
making the clamp inactive.
The output ACcoupling configuration has the advantage
of eliminating DC ground loop with the drawback of making
the device more sensitive to video line or field tilt issues in
the case of a too low output coupling capacitor. In some
cases it may be necessary to increase the nominal 220 mF
capacitor value.
NCS2563
http://onsemi.com
8
Figure 12. Typical Application Circuit
Video
SOC
R/Pr
G/Y
B/Pd
DVD Player or STB
R
S
R
S
R
S
2
3
4
DAC Load Resistors
ACCoupling Caps
are Optional
8
7
6
5
+5 V
10 mF0.1 mF
IN1
IN2
IN3
V
CC
OUT1
OUT2
OUT3
GND
NCS2563
75 W Video Cables
75 W 220 mF
75 W 220 mF
75 W 220 mF
75 W
75 W
75 W
R/Pr
G/Y
B/Pd
1
75 W Video Cables
75 W Video Cables
NCS2563
http://onsemi.com
9
PACKAGE DIMENSIONS
SOIC8 NB
CASE 75107
ISSUE AJ
SEATING
PLANE
1
4
58
N
J
X 45
_
K
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
6. 75101 THRU 75106 ARE OBSOLETE. NEW
STANDARD IS 75107.
A
B
S
D
H
C
0.10 (0.004)
DIM
A
MIN MAX MIN MAX
INCHES
4.80 5.00 0.189 0.197
MILLIMETERS
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.053 0.069
D 0.33 0.51 0.013 0.020
G 1.27 BSC 0.050 BSC
H 0.10 0.25 0.004 0.010
J 0.19 0.25 0.007 0.010
K 0.40 1.27 0.016 0.050
M 0 8 0 8
N 0.25 0.50 0.010 0.020
S 5.80 6.20 0.228 0.244
X
Y
G
M
Y
M
0.25 (0.010)
Z
Y
M
0.25 (0.010) Z
S
X
S
M
____
1.52
0.060
7.0
0.275
0.6
0.024
1.270
0.050
4.0
0.155
ǒ
mm
inches
Ǔ
SCALE 6:1
*For additional information on our PbFree strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent
rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur.
Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries,
affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury
or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an
Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
N. American Technical Support: 8002829855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81357733850
NCS2563/D
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone: 3036752175 or 8003443860 Toll Free USA/Canada
Fax: 3036752176 or 8003443867 Toll Free USA/Canada
Email: orderlit@onsemi.com
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
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l
Sales Representative

NCS2563DR2G

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Video Amplifiers 3X VDEO AMP INT FLTR
Lifecycle:
New from this manufacturer.
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