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ADV7178KS

更新时间： 2024-11-26 22:47:39
品牌 Logo 应用领域
亚德诺 - ADI 编码器
页数 文件大小 规格书
38页 282K
描述
Integrated Digital CCIR-601 to PAL/NTSC Video Encoder

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ADV7178KS 数据手册

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Integrated Digital CCIR-601  
to PAL/NTSC Video Encoder  
a
ADV7177/ADV7178  
FEATURES  
Programmable Subcarrier Frequency and Phase  
Programmable LUMA Delay  
ITU-R BT601/656 YCrCb to PAL/NTSC Video Encoder  
High Quality 9-Bit Video DACs  
Integral Nonlinearity <1 LSB at 9 Bits  
NTSC-M, PAL-M/N, PAL-B/D/G/H/I  
Single 27 MHz Crystal/Clock Required (
؋
2 Oversampling)  
75 dB Video SNR  
32-Bit Direct Digital Synthesizer for Color Subcarrier  
Multistandard Video Output Support:  
Composite (CVBS)  
Individual ON/OFF Control of Each DAC  
CCIR and Square Pixel Operation  
Color Signal Control/Burst Signal Control  
Interlaced/Noninterlaced Operation  
Complete On-Chip Video Timing Generator  
OSD Support (AD7177 Only)  
Programmable Multimode Master/Slave Operation  
Macrovision Antitaping Rev 7.01 (ADV7178 Only)**  
Closed Captioning Support  
Component S-Video (Y/C)  
Component YUV and RGB  
Video Input Data Port Supports:  
CCIR-656 4:2:2 8-Bit Parallel Input Format  
4:2:2 16-Bit Parallel Input Format  
Onboard Voltage Reference  
2-Wire Serial MPU Interface (I2C® Compatible)  
Single Supply +5 V or +3 V Operation  
Small 44-Lead PQFP Package  
SMPTE 170M NTSC-Compatible Composite Video  
ITU-R BT.470 PAL-Compatible Composite Video  
Full Video Output Drive or Low Signal Drive Capability  
34.7 mA max into 37.5 ⍀ (Doubly-Terminated 75R)  
5 mA min with External Buffers  
Programmable Simultaneous Composite and S-VHS  
(VHS) Y/C or RGB (SCART)/YUV Video Outputs  
Programmable Luma Filters (Low-Pass/Notch/Extended)  
Programmable VBI (Vertical Blanking Interval)  
Synchronous 27 MHz/13.5 MHz Clock O/P  
APPLICATIONS  
MPEG-1 and MPEG-2 Video, DVD, Digital Satellite/  
Cable Systems (Set Top Boxes/IRDs), Digital TVs,  
CD Video/Karaoke, Video Games, PC Video/Multimedia  
GENERAL DESCRIPTION  
The ADV7177/ADV7178 is an integrated digital video encoder  
that converts Digital CCIR-601 4:2:2 8- or 16-bit component  
video data into a standard analog baseband television signal  
(Continued on page 11)  
FUNCTIONAL BLOCK DIAGRAM  
V
AA  
M
U
L
T
I
P
L
E
X
E
R
ADV7177/ADV7178  
9
9-BIT  
DAC  
DAC A (PIN 31)  
DAC B (PIN 27)  
DAC C (PIN 26)  
ADV7177  
ONLY  
YUV TO  
RBG  
MATRIX  
9
9
9-BIT  
DAC  
OSD_EN  
OSD_0  
OSD_1  
9-BIT  
DAC  
Y
OSD_2  
9
8
8
8
8
8
8
8
8
8
8
8
8
ADD  
SYNC  
INTER-  
POLATOR  
LOW-PASS  
FILTER  
COLOR  
DATA  
4:2:2 TO  
4:4:4  
INTER-  
YCrCb  
TO  
YUV  
U
9
9
ADD  
BURST  
INTER-  
POLATOR  
LOW-PASS  
FILTER  
P7–P0  
POLATOR  
MATRIX  
V
P15–P8  
ADD  
INTER-  
POLATOR  
LOW-PASS  
FILTER  
BURST  
V
9
9
REF  
HSYNC  
FIELD/VSYNC  
BLANK  
VOLTAGE  
REFERENCE  
CIRCUIT  
VIDEO TIMING  
GENERATOR  
2
R
I
C MPU PORT  
SET  
SIN/COS  
DDS BLOCK  
COMP  
CLOCK/2  
CLOCK CLOCK  
RESET  
SCLOCK SDATA ALSB  
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  
licensed for noncommercial home use only, which is its sole intended use in the device. Please contact sales office for latest Macrovision version available.  
NOTE: ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations).  
I
2C is a registered trademark of Philips Corporation.  
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.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1998  
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ADV7179BCP-REEL ADI

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ADV7179BCPZ ADI

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 		COLOR SIGNAL ENCODER, QCC40, 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD-2, LFCSP-40
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