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參數資料
| 型號： | ADV7320 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat 216 MHz Video Encoder with Six NSV 12-Bit DACs |
| 中文描述： | 多格式視頻編碼器216兆赫六噪聲整形的12位DAC |
| 文件頁數： | 1/88頁 |
| 文件大小： | 1002K |
| 代理商： | ADV7320 |
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Multiformat 216 MHz
Video Encoder with Six NSV
12-Bit DACs
ADV7320/ADV7321
FEATURES
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
2004 Analog Devices, Inc. All rights reserved.
www.analog.com
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:
RGB, RGBHV
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)
ITU-R BT.1358 (625p/525p)
ITU-R BT.1362 (625p/525p)
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)
RGB, RGBHV
CGMS-A (720p/1080i)
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
Standard definition output formats
Composite NTSC M/N
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)
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
Programmable DAC gain control
Sync outputs in all modes
On-board voltage reference
Six 12-bit NSV (noise shaped video) precision video DACs
2-wire serial I
2
C 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
APPLICATIONS
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
CLKIN_A
CLKIN_B
HSYNC
VSYNC
BLANK
Y9–Y0
C9–C0
S9–S0
TIMING
GENERATOR
PLL
O
V
E
R
S
A
M
P
L
I
N
G
I
2
C
INTERFACE
D
E
M
U
X
STANDARD DEFINITION
CONTROL BLOCK
COLOR CONTROL
BRIGHTNESS
DNR
GAMMA
PROGRAMMABLE
FILTERS
SD TEST PATTERN
HIGH DEFINITION
CONTROL BLOCK
HD TEST PATTERN
COLOR CONTROL
ADAPTIVE FILTER CTRL
SHARPNESS FILTER
PROGRAMMABLE
RGB MATRIX
12-BIT
DAC
12-BIT
DAC
12-BIT
DAC
12-BIT
DAC
12-BIT
DAC
12-BIT
DAC
ADV7320/
ADV7321
0
Figure 1. Simplified Functional Block Diagram
GENERAL DESCRIPTION
The ADV7320/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.
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