ADV7173 Datasheet PDF - Analog Devices
| Part Number | ADV7173 | |
| Description | Digital PAL/NTSC Video Encoder | |
| Manufacturers | Analog Devices | |
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a
Digital PAL/NTSC Video Encoder
with Six DACs (10 Bits), Color Control
and Enhanced Power Management
ADV7172/ADV7173
FEATURES
ITU-R1 BT601/656 YCrCb to PAL/NTSC Video Encoder
Six High Quality 10-Bit Video DACs
SSAF™ (Super Sub-Alias Filter)
Advanced Power Management Features
PC’98-Compliant (TV Detect with Polling and Auto
Shutdown to Save On Power Consumption)
Low Power DAC Mode
Individual DAC ON/OFF Control
Variable DAC Output Current (5 mA–36 mA)
Ultralow Sleep Mode Current
Hue, Brightness, Contrast and Saturation Controls
CGMS (Copy Generation Management System)
WSS (Wide Screen Signalling)
NTSC-M, PAL-M/N, PAL-B/D/G/H/I, PAL-60
YUV Betacam, MII and SMPTE/EBU N10 Output Levels
Single 27 MHz Clock Required (؋2 Oversampling)
80 dB Video SNR
32-Bit Direct Digital Synthesizer for Color Subcarrier
Multistandard Video Output Support:
Composite (CVBS)
Component S-Video (Y/C)
Component YUV
EuroSCART RGB
Component YUV + CHROMA + LUMA + CVBS
EuroSCART Output RGB + CHROMA + LUMA + CVBS
Programmable Clamping Output Signal
Advanced Programmable Power-On Reset Sequencing
Video Input Data Port Supports:
CCIR-656 4:2:2 8-Bit Parallel Input Format
SMPTE 170M NTSC-Compatible Composite Video
ITU-R BT.470 PAL-Compatible Composite Video
Luma Sharpness Control
Programmable Luma Filters (Low-Pass [PAL/NTSC],
Notch [PAL/NTSC], Extended [SSAF], CIF and QCIF)
Programmable Chroma Filters (Low-Pass [0.65 MHz,
1.0 MHz, 1.2 MHz and 2.0 MHz], CIF and QCIF)
Programmable VBI (Vertical Blanking Interval)
Programmable Subcarrier Frequency and Phase
Programmable LUMA Delay
CCIR and Square Pixel Operation
Integrated Subcarrier Locking to External Video Source
NOTES
Color Signal Control/Burst Signal Control
Interlaced/Noninterlaced Operation
Complete On-Chip Video Timing Generator
Programmable Multimode Master/Slave Operation
Macrovision Antitaping Rev 7.1 (ADV7172 Only)2
Closed Captioning Support
Teletext Insertion Port (PAL-WST)
On-Board Color Bar Generation
On-Board Voltage Reference
2-Wire Serial MPU Interface (I2C®-Compatible and Fast I2C)
Single Supply 5 V or 3.3 V Operation
Small 48-Lead LQFP Package
APPLICATIONS
High Performance DVD Playback Systems, Portable
Video Equipment including Digital Still Cameras and
Laptop PCs, Video Games, PC Video/Multimedia and
Digital Satellite/Cable Systems (Set-Top Boxes/IRD)
GENERAL DESCRIPTION
The ADV7172/ADV7173 is an integrated Digital Video
Encoder that converts digital CCIR-601 4:2:2 8-bit component
video data into a standard analog baseband television signal
compatible with worldwide standards.
There are six DACs available on the ADV7172/ADV7173. In
addition to the Composite output signal there is the facility to
output S-VHS Y/C Video, RGB Video and YUV Video.
The on-board SSAF (Super Sub-Alias Filter), with extended
luminance frequency response and sharp stopband attenuation,
enables studio quality video playback on modern TVs, giving
optimal horizontal line resolution. An additional sharpness control
feature allows extra luminance boost on the frequency response.
An advanced power management circuit enables optimal control
of power consumption in both normal operating modes and
power down or sleep modes. A PC’98-Compliant autodetect
feature has been added to allow the user to determine whether
or not the DACs are correctly terminated. If not, the ADV7172/
ADV7173 flags that they are not connected through the Status
bit and provides the option of automatically powering them
down, thereby reducing power consumption.
The ADV7172/ADV7173 also supports both PAL and NTSC
square pixel operation. The parts also incorporate WSS and
CGMS-A data control generation.
1ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations).
2The Macrovision anticopy process is licensed for noncommercial home use only, which is its sole intended use in the device. Please contact sales office for latest
Macrovision version available.
SSAF is a trademark of Analog Devices, Inc.
I2C is a registered trademark of Philips Corporation.
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001
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ADV7172/ADV7173
5 V DYNAMIC SPECIFICATIONS (VAA = 5 V ؎ 5%1, VREF = 1.235 V, RSET1,2 = 600 ⍀ unless otherwise noted. All
specifications TMIN to TMAX2 unless otherwise noted.)
Parameter
Conditions1
Min Typ Max
Unit
Differential Gain3, 4
Differential Phase3, 4
Differential Gain3, 4
Differential Phase3, 4
SNR3, 4 (Pedestal)
SNR3, 4 (Pedestal)
SNR3, 4 (Ramp)
SNR3, 4 (Ramp)
Hue Accuracy3, 4
Color Saturation Accuracy3, 4
Chroma Nonlinear Gain3, 4
Chroma Nonlinear Phase3, 4
Chroma/Luma Intermod3, 4
Chroma/Luma Gain Inequality3, 4
Chroma/Luma Delay Inequality3, 4
Luminance Nonlinearity3, 4
Chroma AM Noise3, 4
Chroma PM Noise3, 4
Normal Power Mode
Normal Power Mode
Lower Power Mode
Lower Power Mode
RMS
Peak Periodic
RMS
Peak Periodic
Referenced to 40 IRE
0.3 0.7
0.4 0.7
0.5 1.0
2.0 3.0
75
66
60
58
0.7
0.9
1.2
0.3 0.5
0.2 0.4
1.0
0.5
1.0 1.7
79 82
79 80
%
Degrees
%
Degrees
dB rms
dB p-p
dB rms
dB p-p
Degrees
%
±%
± Degrees
±%
±%
ns
±%
dB
dB
NOTES
1The max/min specifications are guaranteed over this range. The max/min values are typical over 4.75 V to 5.25 V range.
2Temperature range TMIN to TMAX: 0°C to 70°C.
3These specifications are for the low-pass filter only and guaranteed by design.
4Guaranteed by characterization.
Specifications subject to change without notice.
3.3 V DYNAMIC SPECIFICATIONS (VAA = 3.0 V–3.6 V1, VREF = 1.235 V, RSET1,2 = 600 ⍀ unless otherwise noted. All
specifications TMIN to TMAX2 unless otherwise noted.)
Parameter
Conditions1
Min Typ Max
Unit
Differential Gain3
Differential Phase3
Differential Gain3
Differential Phase3
SNR3 (Pedestal)
SNR3 (Pedestal)
SNR3 (Ramp)
SNR3 (Ramp)
Hue Accuracy3
Color Saturation Accuracy3
Luminance Nonlinearity3
Chroma AM Noise3
Chroma PM Noise3
Chroma Nonlinear Gain3, 4
Chroma Nonlinear Phase3, 4
Chroma/Luma Intermod3, 4
Normal Power Mode
Normal Power Mode
Lower Power Mode
Lower Power Mode
RMS
Peak Periodic
RMS
Peak Periodic
Referenced to 40 IRE
0.6 %
0.5 Degrees
1.0 %
0.5 Degrees
75 dB rms
70 dB p-p
60 dB rms
58 dB p-p
1.0 Degrees
1.0 %
1.1 ± %
83 dB
79 dB
1.2 ± %
0.3 ± Degrees
0.2 ± %
NOTES
1The max/min specifications are guaranteed over this range. The max/min values are typical over 3.0 V to 3.6 V.
2Temperature range TMIN to TMAX: 0°C to 70°C.
3Guaranteed by characterization.
4These specifications are for the low-pass filter only and guaranteed by design.
Specifications subject to change without notice.
REV. B
–5–
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| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ADV7173.PDF Datasheet ] | |
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