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ADV7401 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 ADV7401은 전자 산업 및 응용 분야에서
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부품번호 ADV7401 기능
기능 Multiformat SDTV/HDTV Video Decoder and RGB Graphics Digitizer
제조업체 Analog Devices
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ADV7401 데이터시트, 핀배열, 회로
10-Bit, Integrated, Multiformat SDTV/HDTV
Video Decoder and RGB Graphics Digitizer
ADV7401
FEATURES
Four 10-bit ADCs sampling up to 140 MHz
(140 MHz speed grade only)
12 analog input channel mux
SCART fast blank support
Internal antialias filters
NTSC/PAL/SECAM color standards support
525p-/625p-component progressive scan support
720p-/1080i-component HDTV support
Digitizes RGB graphics up to 1280 × 1024 @ 75 Hz (SXGA)
(140 MHz speed grade only)
24-bit digital input port supports data from DVI/HDMI Rx IC
Any-to-any, 3 × 3 color-space conversion matrix
Industrial temperature range (−40°C to +85°C)
12-bit 4:4:4/8-bit 4:2:2 DDR pixel output interface
Programmable interrupt request output pin
VBI data slicer (including teletext)
APPLICATIONS
LCD/DLP™ rear projection HDTVs
PDP HDTVs
CRT HDTVs
LCD/DLP front projectors
LCD TV (HDTV ready)
HDTV STBs with PVR
Hard-disk-based video recorders
Multiformat scan converters
DVD recorders with progressive scan input support
AVR receiver
GENERAL DESCRIPTION
The ADV7401 is a high quality, single chip, multiformat video
decoder and graphics digitizer. This multiformat decoder
supports the conversion of PAL, NTSC, and SECAM standards
in the form of composite or S-video into a digital ITU-R BT.656
format. The ADV7401 also supports the decoding of a
component RGB/YPrPb video signal into a digital YCrCb or
RGB pixel output stream. The support for component video
includes standards such as 525i, 625i, 525p, 625p, 720p, 1080i,
1250i, and many other HD and SMPTE standards. Graphic
digitization is also supported by the ADV7401; it is capable of
digitizing RGB graphics signals from VGA to SXGA rates and
converting them into a digital RGB or YCrCb pixel output
stream. SCART and overlay functionality are enabled by the
ADV7401’s ability to simultaneously process CVBS and
standard definition RGB signals. The mixing of these signals is
controlled by the fast blank pin.
The ADV7401 contains two main processing sections. The first
is the standard definition processor (SDP), which processes all
PAL, NTSC, and SECAM signal types. The second is the
component processor (CP), which processes YPrPb and RGB
component formats, including RGB graphics. For more specific
descriptions of the ADV7401 features, see the Detailed
Functionality and Detailed Description sections.
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 ©2005–2009 Analog Devices, Inc. All rights reserved.




ADV7401 pdf, 반도체, 판매, 대치품
FUNCTIONAL BLOCK DIAGRAM
OUTPUT FIFO AND FORMATTER
ADV7401
Figure. 1.
Rev. B | Page 3 of 20

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ADV7401 전자부품, 판매, 대치품
ADV7401
VIDEO SPECIFICATIONS
@ AVDD= 3.15 V to 3.45 V, DVDD = 1.65 V to 2.0 V, DVDDIO = 3.0 V to 3.6 V, PVDD = 1.71 V to 1.89 V. Operating temperature range,
unless otherwise noted.
Table 2.
Parameter1, 2, 3
NONLINEAR SPECIFICATIONS
Differential Phase
Differential Gain
Luma Nonlinearity
NOISE SPECIFICATIONS
SNR Unweighted
SNR Unweighted
Analog Front End Crosstalk
LOCK TIME SPECIFICATIONS
Horizontal Lock Range
Vertical Lock Range
FSC Subcarrier Lock Range
Color Lock in Time
Sync Depth Range4
Color Burst Range
Vertical Lock Time
Horizontal Lock Time
CHROMA SPECIFICATIONS
Hue Accuracy
Color Saturation Accuracy
Color AGC Range
Chroma Amplitude Error
Chroma Phase Error
Chroma Luma Intermodulation
LUMA SPECIFICATIONS
Luma Brightness Accuracy
Luma Contrast Accuracy
Symbol
DP
DG
LNL
Test Conditions
CVBS input, modulated 5 step
CVBS input, modulated 5 step
CVBS input, 5 step
Luma ramp
Luma flat field
HUE
CL_AC
CVBS, 1 V input
CVBS, 1 V input
Min Typ Max Unit
0.5 degree
0.5 %
0.5 %
54 56
58 60
60
dB
dB
dB
−5 +5 %
40 70 Hz
±1.3 kHz
60 line
20 200 %
5 200 %
2 field
100 line
1 degree
1%
5 400 %
0.5 %
0.4 degree
0.2 %
1%
1%
1 The min/max specifications are guaranteed over this range.
2 Temperature range TMIN to TMAX: 40°C to +85°C (0°C to 70°C temperature range for ADV7401KSTZ-140).
3 Guaranteed by characterization.
4 Nominal sync depth is 300 mV at 100% sync depth range.
Rev. B | Page 6 of 20

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