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PDF DA4410-6 Data sheet ( Hoja de datos )
| Número de pieza | DA4410-6 | |
| Descripción | Integrated Video Filter | |
| Fabricantes | Analog Devices | |
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Integrated Video Filter with Selectable Cutoff
Frequencies for RGB, HD/SD Y, C, and CV
ADA4410-6
FEATURES
Sixth-order filters with selectable cutoff frequencies
36 MHz, 18 MHz, 9 MHz
Many video standards supported
RGB/YPbPr/YUV/SD/YC/CV
Ideal for resolutions up to 1080i
−1 dB bandwidth of 30 MHz for HD
2:1 multiplexers on all inputs
Selectable gain: ×2 or ×4
DC output offset adjust: ±0.5 V, input referred
Excellent video specifications
NTSC differential gain: 0.11%
NTSC differential phase: 0.25°
Low input bias current: 6.6 μA
Wide supply range: +4.5 V to ±5 V
Rail-to-rail output
Typical output swing of 4.5 V p-p on single 5 V supply
Disable feature
APPLICATIONS
Set-top boxes
DVD players and recorders
HDTVs
GENERAL DESCRIPTION
The ADA4410-6 is a comprehensive integrated filtering solution
that is carefully designed to give designers the flexibility to
easily filter and drive many types of video signals, including
high definition video. In the RGB/component channels, the
cutoff frequencies of the sixth-order filters can be selected by
two logic pins to obtain four filter combinations that are tuned
for RGB, high definition, and standard definition video. Cutoff
frequencies range from 9 MHz to 36 MHz.
The ADA4410-6 also provides filtering for the legacy standard
S-video and composite video signals. With a differential gain of
0.11% and a differential phase of 0.25°, the ADA4410-6 is an
excellent choice for any composite video (CV) application.
The ADA4410-6 offers gain and output offset voltage
adjustments. With a single logic pin, the gain of the part can be
selected to be ×2 or ×4. Output offset voltage is continuously
adjustable over an input-referred range of ±500 mV by applying
a differential voltage to an independent offset control input.
FUNCTIONAL BLOCK DIAGRAM
Y1/G1 IN
Y2/G2 IN
36MHz,
18MHz,
9MHz
×2
×4
Y/G OUT
Pb1/B1 IN
Pb2/B2 IN
36MHz,
18MHz,
9MHz
×2
×4
Pb/B OUT
Pr1/R1 IN
Pr2/R2 IN
HD INPUT SELECT
LEVEL1
LEVEL2
CUTOFF SELECT
GAIN SELECT
2
Y1 IN
Y2 IN
DC
OFFSET
36MHz,
18MHz,
9MHz
×2
×4
ADA4410-6
9MHz
×2
×4
×2
Pr/R OUT
Y OUT
CV OUT
C1 IN
C2 IN
SD INPUT SELECT
DISABLE
9MHz
Figure 1.
×2
×4
C OUT
The ADA4410-6 offers 2:1 multiplexers on its inputs that can be
used in applications where multiple sources of video exist.
The ADA4410-6 can operate on a single +5 V supply as well as
±5 V supplies. Single-supply operation is ideal for applications
where power consumption is critical. The disable feature allows
for further power conservation by reducing the supply current
to typically 15 μA when a particular device is not in use.
Dual-supply operation is best for applications where the
negative-going excursions of the signal must swing at or below
ground while maintaining excellent video performance. The
output buffers have the ability to drive two 75 Ω doubly
terminated cables that are either dc- or ac-coupled.
The ADA4410-6 is available in a 32-lead LFCSP and operates in
the extended industrial temperature range of −40°C to +85°C.
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
© 2006 Analog Devices, Inc. All rights reserved.
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ADA4410-6
VS = ±5 V, @ TA = 25°C, VO = 1.4 V p-p, G = ×2, RL = 150 Ω, unless otherwise noted.
Table 2.
Parameter
OVERALL PERFORMANCE
Offset Error
Max Voltage Across LEVEL1 and LEVEL2 Inputs
Input Voltage Range, All Inputs
Output Voltage Swing, All Outputs
Linear Output Current per Channel
Integrated Voltage Noise, Referred to Input
Filter Input Bias Current
Total Harmonic Distortion at 1 MHz
RGB/YPbPr CHANNEL DYNAMIC PERFORMANCE
−1 dB Bandwidth
−3 dB Bandwidth
Out-of-Band Rejection
Crosstalk
Input Mux Isolation
Propagation Delay
Group Delay Variation
Y/C SD CHANNEL DYNAMIC PERFORMANCE
−1 dB Bandwidth
−3 dB Bandwidth
Out-of-Band Rejection
Propagation Delay
Group Delay Variation
Crosstalk
Input Mux Isolation
Y/C, CV OUTPUT VIDEO PERFORMANCE
Differential Gain
Differential Phase
CONTROL INPUT PERFORMANCE
Input Logic 0 Voltage
Input Logic 1 Voltage
Input Bias Current
DISABLE PERFORMANCE
DISABLE Assert Voltage
DISABLE Assert Time
DISABLE Deassert Time
DISABLE Input Bias Current
Input-to-Output Isolation—Disabled
Test Conditions/Comments
Input referred, all channels except CV
Input referred, CV
Positive swing
Negative swing
All channels except CV
All channels
FC = 36 MHz, FC = 18 MHz/FC = 9 MHz
Cutoff frequency select = 36 MHz
Cutoff frequency select = 18 MHz
Cutoff frequency select = 9 MHz
Cutoff frequency select = 36 MHz
Cutoff frequency select = 18 MHz
Cutoff frequency select = 9 MHz
f = 75 MHz
f = 5 MHz, FC = 36 MHz
f = 1 MHz, RSOURCE = 300 Ω
f = 5 MHz, FC = 36 MHz
Cutoff frequency select = 36 MHz
Cutoff frequency select = 18 MHz
Cutoff frequency select = 9 MHz
f = 27 MHz
f = 1 MHz
f = 1 MHz
f = 1 MHz, RSOURCE = 75 Ω
NTSC
NTSC
All inputs except DISABLE
All inputs except DISABLE
All inputs except DISABLE
Min Typ Max Unit
VS− − 0.1
VS+ − 0.35
14
15
±500
VS+ − 0.25
VS− + 0.3
30
500
6.3
0.01/0.07
33.5
42.5
VS+ − 2.0
VS− + 0.5
15
mV
mV
mV
V
V
V
mA
μVrms
μA
%
29
15
8
33.0 35.5
16.5 18
8 9.5
−33 −41.5
−68
86
21
7.5
14
26
MHz
MHz
MHz
MHz
MHz
MHz
dB
dB
dB
ns
ns
ns
ns
7.5
89
−57
64
26
−72
77
MHz
MHz
dB
ns
ns
dB
dB
0.11 %
0.25 Degrees
2.0
7
0.8 V
V
15 μA
VS+ − 0.5
75
125
35
100
45
V
ns
ns
μA
dB
Rev. B | Page 5 of 16
5 Page 
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ADA4410-6
–5
–15
FC = 9MHz
–25
FC = 18MHz
–35
FC = 36MHz
–45
–55
–65
–75
0.1
1 10
FREQUENCY (MHz)
100
Figure 16. Positive Supply PSRR vs. Frequency and Cutoff Frequency
–5
–15
FC = 9MHz
–25
FC = 18MHz
–35
–45
FC = 36MHz
–55
–65
–75
0.1
1 10
FREQUENCY (MHz)
100
Figure 19. Negative Supply PSRR vs. Frequency and Cutoff Frequency
3.5
3.3
3.1
FC = 36MHz
2.9
FC = 18MHz
2.7
FC = 9MHz
2.5
2.3
2.1
1.9
1.7
200ns/DIV
1.5
Figure 17. Transient Response vs. Cutoff Frequency (G = ×2)
3.5
3.3
3.1
FC = 36MHz
2.9
FC = 18MHz
G=4
VO = 1.4V p-p
2.7
FC = 9MHz
2.5
2.3
2.1
1.9
1.7
200ns/DIV
1.5
Figure 20. Transient Response vs. Cutoff Frequency (G = ×4)
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
t=0
1% (57ns)
2 × INPUT
ERROR = 2 × INPUT – OUTPUT (0.5%/DIV)
0.5% (65ns)
OUTPUT
Figure 18. Settling Time
50ns/DIV
6
2 × INPUT VOLTAGE
5
FC = 18MHz
4
FC = 36MHz
3
FC = 9MHz
2
1
0
200ns/DIV
–1
Figure 21. Overdrive Recovery vs. Cutoff Frequency
NETWORK
ANALYZER Tx
50Ω
RL = 150Ω
DUT
118Ω
50Ω 86.6Ω
NETWORK
ANALYZER Rx
50Ω
MINIMUM-LOSS MATCHING NETWORK LOSS CALIBRATED OUT
Figure 22. Basic Test Circuit for Swept Frequency Measurements
Rev. B | Page 11 of 16
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet DA4410-6.PDF ] | |
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