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ADV7184 반도체 회로 부품 판매점

Multiformat SDTV Video Decoder



Analog Devices 로고
Analog Devices
ADV7184 데이터시트, 핀배열, 회로
Multiformat SDTV Video Decoder
with Fast Switch Overlay Support
ADV7184
FEATURES
Multiformat video decoder supports NTSC (J/M/4.43),
PAL (B/D/G/H/I/M/N), SECAM
Integrates four 54 MHz, 10-bit ADCs
SCART fast blank support
Clocked from a single 28.63636 MHz crystal
Line-locked clock-compatible (LLC)
Adaptive Digital Line Length Tracking (ADLLT™), signal
processing, and enhanced FIFO management give
mini-TBC functionality
5-line adaptive comb filters
Proprietary architecture for locking to weak, noisy, and
unstable video sources such as VCRs and tuners
Subcarrier frequency lock and status information output
Integrated automatic gain control (AGC) with adaptive peak
white mode
Macrovision® copy protection detection
Chroma transient improvement (CTI)
Digital noise reduction (DNR)
Multiple programmable analog input formats
CVBS (composite video)
Y/C (S-video)
YPrPb (component) (VESA, MII, SMPTE, and BETACAM)
12 analog video input channels
Integrated antialiasing filters
Programmable interrupt request output pin
Automatic NTSC/PAL/SECAM identification
GENERAL DESCRIPTION
The ADV7184 integrated video decoder automatically detects and
converts standard analog baseband television signals compatible
with worldwide NTSC, PAL, and SECAM standards into
4:2:2 component video data compatible with 16- or 8-bit CCIR
601/CCIR 656.
The advanced, highly flexible digital output interface enables
performance video decoding and conversion in line-locked,
clock-based systems. This makes the device ideally suited for a
broad range of applications with diverse analog video character-
istics, including tape-based sources, broadcast sources, security
and surveillance cameras, and professional systems.
The accurate 10-bit ADC provides professional quality video
performance and is unmatched. This allows true 8-bit
resolution in the 8-bit output mode.
The 12 analog input channels accept standard composite, S-video,
and component video signals in an extensive number of
combinations.
Digital output formats (8-bit or 16-bit)
ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and FIELD
0.5 V to 1.6 V analog signal input range
Differential gain: 0.5% typical
Differential phase: 0.5° typical
Programmable video controls
Peak white/hue/brightness/saturation/contrast
Integrated on-chip video timing generator
Free-run mode (generates stable video output with no input)
VBI decode support for close captioning (including Gemstar®
1×/2× (XDS)), WSS, CGMS, teletext, VITC, VPS
Power-down mode
2-wire serial MPU interface (I2C® compatible)
3.3 V analog, 1.8 V digital core, 3.3 V input/output supply
Industrial temperature grade: −40°C to +85°C
80-lead, Pb-free LQFP
APPLICATIONS
High end DVD recorders
Video projectors
HDD-based PVRs/DVDRs
LCD TVs
Set-top boxes
Security systems
Digital televisions
AVR receivers
AGC and clamp-restore circuitry allow an input video signal
peak-to-peak range of 0.5 V to 1.6 V. Alternatively, these can be
bypassed for manual settings.
The fixed 54 MHz clocking of the ADCs and datapath for all
modes allows very precise, accurate sampling and digital filtering.
The line-locked clock output allows the output data rate, timing
signals, and output clock signals to be synchronous, asynchronous,
or line locked even with ±5% variation in line length. The output
control signals allow glueless interface connections in most
applications. The ADV7184 modes are set up over a 2-wire,
serial, bidirectional port (I2C compatible).
SCART and overlay functionality are enabled by the ability of
the ADV7184 to process CVBS and standard definition RGB
signals simultaneously. Signal mixing is controlled by the fast
blank pin. The ADV7184 is fabricated in a 3.3 V CMOS process.
Its monolithic CMOS construction ensures greater functionality
with lower power dissipation. It is packaged in a small, Pb-free,
80-lead LQFP.
Rev. A
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 ©2005–2007 Analog Devices, Inc. All rights reserved.


ADV7184 데이터시트, 핀배열, 회로
ADV7184* Product Page Quick Links
Last Content Update: 11/01/2016
Comparable Parts
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Documentation
Application Notes
• AN-1180: Optimizing Video Platforms for Automated Post-
Production Self-Tests
• AN-1260: Crystal Design Considerations for Video
Decoders, HDMI Receivers, and Transceivers
• AN-850: Adaptive Digital Line Length Tracking
Data Sheet
• ADV7184: Multiformat SDTV Video Decoder with Fast
Switch Overlay Support Data Sheet
User Guides
• ADV7184 Design Support Files
Reference Materials
Informational
• Advantiv™ Advanced TV Solutions
Technical Articles
• Analog Video Time Base Correction and Processing for
Nonstandard TV Signals
• Optimizing standard-definition video on high-definition
displays
Design Resources
• ADV7184 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
View all ADV7184 EngineerZone Discussions
Sample and Buy
Visit the product page to see pricing options
Technical Support
Submit a technical question or find your regional support
number
* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet. Note: Dynamic changes to
the content on this page does not constitute a change to the revision number of the product data sheet. This content may be
frequently modified.




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