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ADV7123JSTZ240-RL View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
ADV7123JSTZ240-RL CMOS, 330 MHz Triple 10-Bit High Speed Video DAC ADI
Analog Devices ADI
ADV7123JSTZ240-RL Datasheet PDF : 24 Pages
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CMOS, 330 MHz
Triple 10-Bit High Speed Video DAC
ADV7123
FEATURES
330 MSPS throughput rate
Triple 10-bit digital-to-analog converters (DACs)
SFDR
−70 dB at fCLK = 50 MHz; fOUT = 1 MHz
−53 dB at fCLK = 140 MHz; fOUT = 40 MHz
RS-343A-/RS-170-compatible output
Complementary outputs
DAC output current range: 2.0 mA to 26.5 mA
TTL-compatible inputs
Internal reference (1.235 V)
Single-supply 5 V/3.3 V operation
48-lead LQFP package
Low power dissipation (30 mW minimum @ 3 V)
Low power standby mode (6 mW typical @ 3 V)
Industrial temperature range (−40°C to +85°C)
Pb-free (lead-free) package
APPLICATIONS
Digital video systems (1600 × 1200 @ 100 Hz)
High resolution color graphics
Digital radio modulation
Image processing
Instrumentation
Video signal reconstruction
GENERAL DESCRIPTION
The ADV7123 (ADV®) is a triple high speed, digital-to-analog
converter on a single monolithic chip. It consists of three high
speed, 10-bit, video DACs with complementary outputs, a
standard TTL input interface, and a high impedance, analog
output current source.
The ADV7123 has three separate 10-bit-wide input ports. A
single 5 V/3.3 V power supply and clock are all that are required
to make the part functional. The ADV7123 has additional video
control signals, composite SYNC and BLANK.
The ADV7123 also has a power save mode.
FUNCTIONAL BLOCK DIAGRAM
VAA
BLANK
SYNC
BLANK AND
SYNC LOGIC
R9 TO R0 10
DATA
REGISTER
10
DAC
G9 TO G0 10
DATA
REGISTER
10
DAC
B9 TO B0 10
DATA
REGISTER
10
DAC
PSAVE
CLOCK
POWER-DOWN
MODE
VOLTAGE
REFERENCE
CIRCUIT
ADV7123
GND
RSET COMP
Figure 1.
IOR
IOR
IOG
IOG
IOB
IOB
VREF
The ADV7123 is fabricated in a 5 V CMOS process. Its
monolithic CMOS construction ensures greater functionality
with lower power dissipation. The ADV7123 is available in a
48-lead LQFP package.
PRODUCT HIGHLIGHTS
1. 330 MSPS throughput.
2. Guaranteed monotonic to 10 bits.
3. Compatible with a wide variety of high resolution color
graphics systems, including RS-343A and RS-170.
ADV is a registered trademark of Analog Devices, Inc.
Rev. D
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
www.analog.com
Fax: 781.461.3113
©2010 Analog Devices, Inc. All rights reserved.
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