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Analog Devices - CMOS 80 MHz/ 10-Bit Video DAC

Numéro de référence ADV7128
Description CMOS 80 MHz/ 10-Bit Video DAC
Fabricant Analog Devices 
Logo Analog Devices 





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ADV7128 fiche technique
a
CMOS
80 MHz, 10-Bit Video DAC
FEATURES
80 MHz Pipelined Operation
10-Bit D/A Converters
RS-343A/RS-170 Compatible Outputs
TTL Compatible Inputs
+5 V CMOS Monolithic Construction
28-Pin SOIC Package
APPLICATIONS
High Definition Television (HDTV)
High Resolution Color Graphics
Digital Radio Modulation
CAE/CAD/CAM Applications
Image Processing
Instrumentation
Video Signal Reconstruction
Direct Digital Synthesis (DDS) & I/O Modulation
Wireless LAN
Wireless Local Loop
SPEED GRADES
80 MHz
50 MHz
30 MHz
CLOCK
ADV7128
FUNCTIONAL BLOCK DIAGRAM
FS
VAA ADJUST VREF
ADV7128
REFERENCE
AMPLIFIER
COMP
D0
10
DATA
10
REGISTER
DAC
IOUT
D9
GND
GENERAL DESCRIPTION
The ADV7128 (ADV®) is a video speed, digital-to-analog con-
verter on a single monolithic chip. It consists of a high speed,
10-bit, video D/A converters; a standard TTL input interface;
and a high impedance, analog output, current source.
The ADV7128 has a 10-bit pixel input port. A single +5 V
power supply, an external 1.23 V reference and pixel clock input
are and all that are required to make the part operational.
The ADV7128 is capable of generating video output signals
which are compatible with RS-343A, RS-170 and most pro-
posed production system HDTV video standards, including
SMPTE 240M.
The ADV7128 is fabricated in a +5 V CMOS process. Its
monolithic CMOS construction ensures greater functionality
with low power dissipation. The ADV7128 is available in a 28-
lead small outline IC (SOIC).
PRODUCT HIGHLIGHTS
1. Fast video refresh rate, 80 MHz.
2. Guaranteed monotonic to 10 bits. Ten bits of resolution al-
lows for implementation of linearization functions such as
gamma correction and contrast enhancement.
3. Compatible with a wide variety of high resolution color
graphics systems including RS-343A/RS-170 and the pro-
posed SMPTE 240M standard for HDTV.
4. Combined with a numerically controlled oscillator (AD9955),
it forms a complete frequency synthesizer (DDS).
5. Using the parts reduced power output DAC modes, it is
ideal for power and cost sensitive communications type
applications.
ADV is a registered trademark of Analog Devices, Inc.
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: 617/329-4700
Fax: 617/326-8703

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