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ADV7321

更新时间： 2024-11-29 04:04:51
品牌 Logo 应用领域
亚德诺 - ADI 编码器
页数 文件大小 规格书
88页 1010K
描述
Multiformat 216 MHz Video Encoder with Six NSV 12-Bit DACs

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中文翻译

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ADV7321 数据手册

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Multiformat 216 MHz  
Video Encoder with Six NSV® 12-Bit DACs  
ADV7320/ADV7321  
Programmable DAC gain control  
Sync outputs in all modes  
FEATURES  
High definition input formats  
16-/20-, 24-/30-bit (4:2:2, 4:4:4) parallel YCrCb  
Fully compliant with:  
SMPTE 274M (1080i, 1080p @ 74.25 MHz)  
SMPTE 296M (720p)  
SMPTE 240M (1035i)  
RGB in 3- × 10-bit 4:4:4 input format  
HDTV RGB supported:  
On-board voltage reference  
Six 12-bit NSV (noise shaped video) precision video DACs  
2-wire serial I2C® interface, open-drain configuration  
Dual I/O supply 2.5 V/3.3 V operation  
Analog and digital supply 2.5 V  
On-board PLL  
64-lead LQFP package  
Lead (Pb) free product  
RGB, RGBHV  
APPLICATIONS  
Other high definition formats using async  
timing mode  
Enhanced definition input formats  
8-/10-, 16-/20-, 24-/30-bit (4:2:2, 4:4:4) parallel YCrCb  
SMPTE 293M (525p)  
BTA T-1004 EDTV2 (525p)  
EVD players (enhanced versatile disk)  
High end /SD/PS DVD recorders/players  
SD/progressive scan/HDTV display devices  
SD/HDTV set top boxes  
Professional video systems  
ITU-R BT.1358 (625p/525p)  
STANDARD DEFINITION  
CONTROL BLOCK  
ITU-R BT.1362 (625p/525p)  
ADV7320/  
ADV7321  
RGB in 3- × 10-bit 4:4:4 input format  
Standard definition input formats  
CCIR-656 4:2:2 8-/10-bit or 16-/20-bit parallel input  
High definition output formats  
YPrPb HDTV (EIA 770.3)  
COLOR CONTROL  
BRIGHTNESS  
DNR  
12-BIT  
DAC  
GAMMA  
PROGRAMMABLE  
FILTERS  
12-BIT  
DAC  
O
V
E
R
S
A
M
P
L
SD TEST PATTERN  
D
12-BIT  
DAC  
Y9–Y0  
RGB, RGBHV  
CGMS-A (720p/1080i)  
E
M
U
X
PROGRAMMABLE  
RGB MATRIX  
C9–C0  
S9–S0  
12-BIT  
DAC  
Enhanced definition output formats  
Macrovision Rev 1.2 (525p/625p) (ADV7320 only)  
CGMS-A (525p/625p)  
YPrPb progressive scan (EIA-770.1, EIA-770.2)  
RGB, RGBHV  
I
N
G
HIGH DEFINITION  
CONTROL BLOCK  
12-BIT  
DAC  
HD TEST PATTERN  
12-BIT  
DAC  
COLOR CONTROL  
ADAPTIVE FILTER CTRL  
SHARPNESS FILTER  
HSYNC  
VSYNC  
BLANK  
TIMING  
GENERATOR  
Standard definition output formats  
Composite NTSC M/N  
2
I C  
INTERFACE  
CLKIN_A  
CLKIN_B  
PLL  
Composite PAL M/N/B/D/G/H/I, PAL-60  
SMPTE 170M NTSC-compatible composite video  
ITU-R BT.470 PAL-compatible composite video  
S-video (Y/C)  
Figure 1. Simplified Functional Block Diagram  
GENERAL DESCRIPTION  
The ADV®7320/ADV7321 are high speed, digital-to-analog  
encoders on single monolithic chips. They include six high  
speed NSV video D/A converters with TTL compatible inputs.  
They have separate 8-/10-, 16-/20-, and 24-/30-bit input ports  
that accept data in high definition and/or standard definition  
video format. For all standards, external horizontal, vertical,  
and blanking signals or EAV/SAV timing codes control the  
insertion of appropriate synchronization signals into the digital  
data stream and, therefore, the output signal.  
EuroScart RGB  
Component YPrPb (Betacam, MII, SMPTE/EBU N10)  
Macrovision Rev 7.1.L1 (ADV7320 only)  
CGMS/WSS  
Closed captioning  
GENERAL FEATURES  
Simultaneous SD/HD, PS/SD inputs and outputs  
Oversampling up to 216 MHz  
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 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. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  
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