NCS2566
Six-Channel Video Driver
with Triple SD & Triple
Selectable SD/HD Filters
The NCS2566 integrates reconstruction filters and video amplifiers.
It’s a combination of two 3−channel drivers
−
the first one capable to
deal with Standard Definition (SD) video signals and a second one
including selectable filters for either Standard or High Definition
(HD) video applications. The filters implemented are 6
th
order
Butterworth Low Pass filters particularly effective for rejecting
unwanted high frequency components and assuring good linearity of
the phase change over frequency with well optimized group delays.
All channels can accept DC− or AC−coupled signals; when AC−
coupled the internal clamps are employed. The outputs can drive both
AC− and DC−coupled 150
W
loads.
It is designed to be compatible with most Digital−to−Analog
Converters (DAC) embedded in video processors. To further reduce
power consumption, two enable pins are provided, one for each triple
driver. One pin allows selection of the filter frequency of the SD/HD
triple driver.
Features
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TSSOP−20
DTB SUFFIX
CASE 948E
MARKING DIAGRAM
20
NCS
2566
ALYWG
G
1
A = Assembly Location
L
= Wafer Lot
Y = Year
W = Work Week
G
= Pb−Free Package
(Note: Microdot may be in either location)
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
3−Channel with Selectable 6
th
−Order
8/34 MHz Butterworth Filters
3−Channel with Fixed 6
th
−Order
8 MHz Butterworth Filters
Transparent Input Clamp for Each Channel
Integrated Level Shifter
AC− or DC−Coupled Inputs and Outputs
Low Quiescent Current
Shutdown Current 42
mA
Typical (Disabled)
5 V Power Supply
Each Channel Capable to Drive 2 by 150
W
Load
Internal Gain: 6 dB
$0.2
Wide Input Common Mode Range
8 kV ESD Protection (IEC61000−4−2 Compatible)
Operating Temperature Range:
−40°C
to +85°C
Available in a TSSOP−20 Package
These are Pb−Free Devices
PIN CONNECTIONS
SD IN1
1
20 SD OUT1
19 SD OUT2
18 SD OUT3
17 GND
16 GND
15 SD/HD EN
14 SD/HD OUT1
13 SD/HD OUT2
12 SD/HD OUT3
11 NC
(Top View)
SD IN2 2
SD IN3 3
SD EN 4
VCC 5
SD/HD 6
SD/HD IN1 7
SD/HD IN2 8
SD/HD IN3 9
NC 10
Typical Applications
•
Set−Top Box
•
DVD players and related
•
HDTV
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
©
Semiconductor Components Industries, LLC, 2011
April, 2011
−
Rev. 3
1
Publication Order Number:
NCS2566/D
NCS2566
SD IN1
1
Transparent Clamp
6th Order,
8 MHz Filter
6dB
20 SD OUT1
SD IN2
2
Transparent Clamp
6th Order,
8 MHz Filter
6dB
19 SD OUT2
SD IN3
3
Transparent Clamp
6th Order,
8 MHz Filter
6dB
18 SD OUT3
17 GND
SD EN
4
250kW
GND
250kW
15 SD/HD EN
Transparent Clamp
6th Order,
Selectable 8/34 MHz Filter
6dB
14 SD/HD OUT1
16 GND
VCC
SD/HD
5
6
GND
SD/HD IN1
7
SD/HD IN2
8
Transparent Clamp
6th Order,
Selectable 8/34 MHz Filter
6dB
13 SD/HD OUT2
SD/HD IN3
9
Transparent Clamp
6th Order,
Selectable 8/34 MHz Filter
6dB
12 SD/HD OUT3
NC
10
11 NC
Figure 1. NCS2566 Block Diagram
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2
NCS2566
PIN FUNCTION AND DESCRIPTION
Pin
1
2
3
4
5
6
Name
SD IN1
SD IN2
SD IN3
SD EN
VCC
SD/HD
Type
Input
Input
Input
Input
Power
Input
SD Video Input 1
−
SD Channel 1
SD Video Input 2
−
SD Channel 2
SD Video Input 3
−
SD Channel 3
SD−Channel Enable/Disable Function: Low = Enable, High = Disable. When left open the default
state is Enable.
Device Power Supply Voltage: +5 V
$5%
Pin of selection enabling the Standard Definition or High Definition Filters (8 MHz / 34 MHz) for
channels SD/HD (pins 7−14, 8−13 & 9−12)
−
when Low SD filters are selected, when High HD
filters are selected.
Selectable SD or HD Video Input 1
−
SD/HD Channel 1
Selectable SD or HD Video Input 2
−
SD/HD Channel 2
Selectable SD or HD Video Input 3
−
SD/HD Channel 3
Not Connected
Not Connected
SD/HD Video Output 3
−
SD/HD Channel 3
SD/HD Video Output 2
−
SD/HD Channel 2
SD/HD Video Output 1
−
SD/HD Channel 1
SD/HD Channel Enable /Disable Function: Low = Enable, High = Disable. When left open the
default state is Enable.
Connected to Ground
Connected to Ground
SD Video Output 3
−
SD Channel 3
SD Video Output 2
−
SD Channel 2
SD Video Output 1
−
SD Channel 1
Description
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SD/HD IN1
SD/HD IN2
SD/HD IN3
NC
NC
SD/HD OUT3
SD/HD OUT2
SD/HD OUT1
SD/HD EN
GND
GND
SD OUT3
SD OUT2
SD OUT1
Input
Input
Input
Open
Open
Output
Output
Output
Input
GND
GND
Output
Output
Output
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NCS2566
MAXIMUM RATINGS
Parameter
Power Supply Voltages
Input Voltage Range
Input Differential Voltage Range
Output Current Per Channel
Maximum Junction Temperature (Note 1)
Operating Ambient Temperature
Storage Temperature Range
Power Dissipation
Thermal Resistance, Junction−to−Air
ESD Protection Voltage (IEC61000−4−2)
ESD HBM
−
Human Body Model
Symbol
V
CC
V
I
V
ID
I
O
T
J
T
A
T
stg
P
D
R
qJA
V
esd
HBM
Rating
−0.3
v
V
CC
v
5.5
−0.3
v
V
I
v
V
CC
−0.3
v
V
I
v
V
CC
50
150
−40
to +85
−60
to +150
(See Graph)
125
>8000
4000
Unit
Vdc
Vdc
Vdc
mA
°C
°C
°C
mW
°C/W
V
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Power dissipation must be considered to ensure maximum junction temperature (T
J
) is not exceeded.
MAXIMUM POWER DISSIPATION
POWER DISSIPATION (mV)
The maximum power that can be safely dissipated is
limited by the associated rise in junction temperature. For
the plastic packages, the maximum safe junction
temperature is 150°C. If the maximum is exceeded
momentarily, proper circuit operation will be restored as
soon as the die temperature is reduced. Leaving the device
in the “overheated” condition for an extended period can
result in device burnout. To ensure proper operation, it is
important to observe the derating curves.
1800
1600
1400
1200
1000
800
600
400
200
0
−40 −30−20−10
0 10 20 30 40 50 60 70 80 90100
TEMPERATURE (°C)
Figure 2. Power Dissipation vs Temperature
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4
NCS2566
DC ELECTRICAL CHARACTERISTICS
(V
CC
= +5.0 V, R
source
= 37.5
W,
T
A
= 25°C, inputs AC−coupled with 0.1
µF,
all outputs
AC−coupled with 220
µF
into 150
W
referenced to 400 kHz; unless otherwise specified)
Symbol
POWER SUPPLY
V
CC
I
CC
Supply Voltage Range
Supply Current
3 SD Channels Active
3 HD Channels Active
3 SD + 3 SD Channels Active
3 SD + 3 HD Channels Active
No Channel Active
4.7
5.0
25
40
50
65
42
5.3
V
mA
80
80
mA
Characteristics
Conditions
Min
Typ
Max
Unit
I
SD
V
i
V
IL
V
IH
R
pd
V
OH
V
OL
I
O
Shutdown Current
DC PERFORMANCE
Input Common Mode Voltage Range
SD/HD Input Low Level
SD/HD Input High Level
Pulldown Resistors on Pins SD_EN and SD/HD_EN
GND
0
2.4
250
1.4
0.8
V
CC
V
PP
V
V
kW
OUTPUT CHARACTERISTICS
Output Voltage High Level
Output Voltage Low Level
Output Current
2.8
200
40
V
mV
mA
AC ELECTRICAL CHARACTERISTICS FOR STANDARD DEFINITION CHANNELS
(Pin Numbers (1, 20) (2, 19), (3, 18),
(7, 14), (8, 13) & (9, 12)) (V
CC
= +5.0 V, V
in
= 1 V
PP
, R
source
= 37.5
W,
T
A
= 25°C, Inputs AC−coupled with 0.1
mF,
All Outputs
AC−coupled with 220
mF
into 150
W
Referenced to 400 kHz; unless otherwise specified, SD/HD = Low)
Symbol
A
VSD
BW
SD
Voltage Gain
Low Pass Filter Bandwidth (Note 3)
Characteristics
Conditions
V
in
= 1 V
−
All SD Channels
−1
dB
−3
dB
@ 27 MHz
Min
5.8
5.5
6.5
43
Typ
6.0
7.2
8.0
50
0.7
0.7
V
out
= 1.4 V
PP
@ 3.58 MHz
@ 1 MHz & V
in
= 1.4 V
PP
NTC−7 test signal, 100 kHz to
4.2 MHz (Note 2)
@ 4.5 MHz
100 kHz to 8 MHz
0.35
−58
72
70
20
Max
6.2
Unit
dB
MHz
A
RSD
dG
SD
dF
SD
THD
X
SD
SNR
SD
Dt
SD
DGD
SD
Stop−Band Attenuation (Note 4)
Differential Gain Error
Differential Phase Error
Total Harmonic Distortion
Channel−to−Channel Crosstalk
Signal−to−Noise Ratio
Propagation Delay
Group Delay variation
dB
%
°
%
dB
dB
ns
ns
2. SNR = 20 x log (714 mV/RMS Noise)
3. 100% of Tested ICs fit the bandwidth and attenuation tolerance at 25°C.
4. Guaranteed by Characterization.
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