ADV7170中文资料

  • 格式:pdf
  • 大小:780.34 KB
  • 文档页数:55

CGMS & WSS INSERTION BLOCK
TELETEXT INSERTION
BLOCK
8
4:2:2 TO
4:4:4 INTER-
8
POLATOR
8
Y8
YCrCb TO U 8 YUV
MATRIX V8
ADD 9 SYNC
8
ADD BURST 8
INTER- 9 POLATOR
8
INTERPOLATOR 8
Multistandard Video Output Support:
Macrovision AntiTaping Rev 7.01 (ADV7170 Only)**
Composite (CVBS)
Closed Captioning Support
Component S-Video (Y/C)
Teletext Insertion Port (PAL-WST)
Individual ON/OFF Control of Each DAC
WSS (Wide Screen Signalling)
CCIR and Square Pixel Operation
Simultaneous Y, U, V, C Output Format
Integrated Subcarrier Locking to External Video Source
NTSC-M, PAL-M/N, PAL-B/D/G/H/I, PAL-60
Color Signal Control/Burst Signal Control
Single 27 MHz Clock Required (؋2 Oversampling)
Interlaced/Noninterlaced Operation
VIDEO TIMING GENERATOR
I2C MPU PORT
REAL-TIME CONTROL CIRCUIT
10
10
SIN/COS DDS BLOCK
ADV7170/ADV7171
VOLTAGE REFERENCE
CIRCUIT
DAC D (PIN 27) DAC C (PIN 26) DAC B (PIN 31)
VIN = 0.4 V or 2.4 V
ISOURCE = 400 µA ISINK = 3.2 mA
2
V
0.8
V
±1
µA
10
pF
2.4
V
0.4
V
10
µA
10
pF
ANALOG OUTPUTS Output Current3 Output Current4
DAC-to-DAC Matching
Output Compliance, VOC Output Impedance, ROUT Output Capacitance, COUT
元器件交易网
a Digital PAL/NTSC Video Encoder with 10-Bit SSAF™ and Advanced Power Management
ADV7170/ADV7171*
FEATURES
Programmable Chroma Filters (Low-Pass [0.65 MHz,
Parameter
Conditions1
Min
Typ
Max
Units
STATIC PERFORMANCE Resolution (Each DAC) Accuracy (Each DAC) Integral Nonlinearity Differential Nonlinearity
RSET = 300 Ω Guaranteed Monotonic
SSAF (Super Sub-Alias Filter)
Programmable Subcarrier Frequency and Phase
Advanced Power Management Features
Programmable LUMA Delay
CGMS (Copy Generation Management System)
and S-Video or RGB (SCART)/YUV Video Outputs Programmable Luma Filters (Low-Pass [PAL/NTSC])
APPLICATIONS High Performance DVD Playback Systems, Portable
Notch, Extended (SSAF, CIF and QCIF)
FUNCTIONAL BLOCK DIAGRAM
TTXREQ
TTX
VAA
RESET
COLOR DATA P7–P0
P15–P8
HSYNC FIELD/VSYNC
BLANK
POWER MANAGEMENT
CONTROL (SLEEP MODE)
1.142 4.75
34.7 37
PROGRAMMABLE LUMINANCE FILTER
10
PROGRAMMABLE
CHROMINANCE FILTER
10
YUV TO RBG
MATRIX
10
U
V
M
10
U 10 L
10-BIT
T
DABIT
L
DAC
10
E X
10
10-BIT
E
DAC
R
10 10-BIT DAC
VOLTAGE REFERENCE
Reference Range, VREF
POWER REQUIREMENTS5
VAA Normal Power Mode
IDAC (max)6 IDAC (min)6 ICCT7 Low Power Mode IDAC (max)6 IDAC (min)6 ICCT7 Sleep Mode IDAC8 ICCT9 Power Supply Rejection Ratio
Component YUV and RGB
On-Board Color Bar Generation
EuroSCART Output (RGB + CVBS/LUMA) Component YUV + CHROMA
On-Board Voltage Reference 2-Wire Serial MPU Interface (I2C® Compatible and Fast I2C)
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site:
Fax: 781/326-8703
© Analog Devices, Inc., 1998
Video Input Data Port Supports:
Single Supply +5 V or +3.3 V Operation
CCIR-656 4:2:2 8-Bit Parallel Input Format
Small 44-Lead PQFP/TQFP Packages
4:2:2 16-Bit Parallel Input Format SMPTE 170M NTSC-Compatible Composite Video ITU-R BT.470 PAL-Compatible Composite Video Programmable Simultaneous Composite
Video Equipment Including Digital Still Cameras and Laptop PCs, Video Games, PC Video/Multimedia and Digital Satellite/Cable Systems (Set-Top Boxes/IRD)
DAC A (PIN 32)
VREF RSET COMP
CLOCK
SCLOCK SDATA ALSB
SCRESET/RTC
GND
*Protected by U.S. Patent Numbers 5,343,196 and 5,442,355 and other intellectual property rights. **This device is protected by U.S. Patent Numbers 4,631,603, 4,577,216, 4,819,098 and other intellectual property rights. The Macrovision anticopy process is
RSET = 150 Ω, RL = 37.5 Ω RSET = 1041 Ω, RL = 262.5 Ω IOUT = 0 mA IVREFOUT = 20 µA
RSET = 150 Ω, RL = 37.5 Ω RSET = 1041 Ω, RL = 262.5 Ω
COMP = 0.1 µF
33 0
REV. 0
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.