CMOS, 330 MHz
Triple 8-Bit High Speed Video DAC
Data Sheet
ADV7125
Rev. D Document Feedback
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FEATURES
330 MSPS throughput rate
Triple 8-bit DACs
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 and LFCSP
Low power dissipation (30 mW minimum at 3 V)
Low power standby mode (6 mW typical at 3 V)
Industrial temperature range (−40°C to +85°C)
RoHS compliant packages
Qualified for automotive applications
APPLICATIONS
Digital video systems
High resolution color graphics
Digital radio modulation
Image processing
Instrumentation
Video signal reconstruction
Automotive infotainment units
FUNCTIONAL BLOCK DIAGRAM
8
8
8
8
8
8
D
ATA
REGISTER
DAC
DAC
BLANK
SYNC
R7 TO R0
G7
TO G0
B7 TO B0
PS
AVE
CLOCK
DAC
ADV7125
DATA
REGISTER
DATA
REGISTER
BLANK
AND
SYNC LOGIC
POWER-DOWN
MODE
VOLTAGE
REFERENCE
CIRCUIT
IOR
IOR
IOG
IOG
IOB
V
REF
R
SET
V
AA
COMPGND
IOB
03097-001
Figure 1.
GENERAL DESCRIPTION
The ADV7125 (ADV®) is a triple high speed, digital-to-analog
converter (DAC) on a single monolithic chip. It consists of three
high speed, 8-bit video DACs with complementary outputs, a
standard TTL input interface, and a high impedance, analog
output current source.
The ADV7125 has three separate 8-bit-wide input ports. A
single +5 V/+3.3 V power supply and clock are all that are
required to make the device functional. The ADV7125 has
additional video control signals, composite
SYNC
and
BLANK
,
as well as a power save mode.
The ADV7125 is fabricated in a 5 V CMOS process. Its
monolithic CMOS construction ensures greater functionality
with lower power dissipation. The ADV7125 is available in 48-
lead LQFP and 48-lead LFCSP packages.
PRODUCT HIGHLIGHTS
1. 330 MSPS (3.3 V only) throughput.
2. Guaranteed monotonic to eight bits.
3. Compatible with a wide variety of high resolution color
graphics systems, including RS-343A and RS-170.
ADV7125* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
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DOCUMENTATION
Application Notes
AN-1180: Optimizing Video Platforms for Automated
Post-Production Self-Tests
AN-349: Keys to Longer Life for CMOS
Data Sheet
ADV7125: CMOS, 330 MHz Triple 8-Bit High Speed Video
DAC Data Sheet
TOOLS AND SIMULATIONS
ADV7125 IBIS Models
REFERENCE DESIGNS
CN0282
REFERENCE MATERIALS
Solutions Bulletins & Brochures
Digital to Analog Converters ICs Solutions Bulletin
DESIGN RESOURCES
ADV7125 Material Declaration
PCN-PDN Information
Quality And Reliability
Symbols and Footprints
DISCUSSIONS
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SAMPLE AND BUY
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ADV7125 Data Sheet
Rev. D | Page 2 of 17
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
5 V Electrical Characteristics ...................................................... 3
3.3 V Electrical Characteristics ................................................... 4
5 V Timing Specifications ........................................................... 5
3.3 V Timing Specifications ........................................................ 6
Absolute Maximum Ratings ............................................................ 7
ESD Caution .................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Terminology .................................................................................... 11
Circuit Description and Operation .............................................. 12
Digital Inputs .............................................................................. 12
Clock Input .................................................................................. 12
Video Synchronization and Control ........................................ 13
Reference Input ........................................................................... 13
DACs ............................................................................................ 13
Analog Outputs .......................................................................... 13
Gray Scale Operation ................................................................. 14
Video Output Buffers ................................................................. 14
PCB Layout Considerations ...................................................... 14
Digital Signal Interconnect ....................................................... 14
Analog Signal Interconnect....................................................... 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 17
Automotive Products ................................................................. 17
REVISION HISTORY
4/16—Rev. C to Rev. D
Changes to Figure 3 and Table 6 ..................................................... 8
Added Figure 4; Renumbered Sequentially .................................. 8
Added Figure 5 and Table 7; Renumbered Sequentially ........... 10
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 17
2/11—Rev. B to Rev. C
Change to Table 6 ............................................................................. 8
7/10—Rev. A to Rev. B
Change to Features Section ............................................................. 1
Changes to Clock Frequency Parameter, Table 4 ......................... 6
Changes to Figure 2 .......................................................................... 6
Changes to Figure 4 and Figure 5 ................................................. 11
Changes to Table 7 .......................................................................... 12
Changes to Endnotes to Ordering Guide .................................... 15
Added Automotive Products Section .......................................... 15
3/09—Rev. 0 to Re v. A
Updated Format .................................................................. Universal
Changes to Features Section, Applications Section, and
General Description Section ............................................................ 1
Changes to Figure 3 and Table 6 ...................................................... 8
Deleted Ground Planes Section, Power Planes Section, and
Supply Decoupling Section ........................................................... 11
Changes to Figure 5 ........................................................................ 11
Changes to Table 7, Analog Outputs Section, Figure 6, and
Figure 7 ............................................................................................ 12
Changes to Video Output Buffers Section, PCB Layout
Considerations Section, and Figure 9 .......................................... 13
Changes to Analog Signal Interconnect Section and Figure 10 .... 14
Updated Outline Dimensions ....................................................... 15
Changes to Ordering Guide .......................................................... 16
10/02—Revision 0: Initial Version

ADV7125KSTZ140

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Digital to Analog Converters - DAC 330MHz Triple 8B High Speed DAC
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