ADV7128KR80-REEL Analog Devices Inc, ADV7128KR80-REEL Datasheet

ADV7128KR80-REEL

Manufacturer Part Number

ADV7128KR80-REEL

Description

IC DAC VIDEO 80MHZ 5.0V 28SOIC

Manufacturer

Analog Devices Inc

Type

Video DACr

Datasheet

1.ADV7128KR30.pdf (8 pages)

Specifications of ADV7128KR80-REEL

Rohs Status

RoHS non-compliant

Resolution (bits)

10 b

Sampling Rate (per Second)

80M

Voltage Supply Source

Single Supply

Voltage - Supply

4.75 V ~ 5.25 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

28-SOIC (7.5mm Width)

Data Interface

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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).

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.

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

PRODUCT HIGHLIGHTS

1. Fast video refresh rate, 80 MHz.

2. Guaranteed monotonic to 10 bits. Ten bits of resolution al-

3. Compatible with a wide variety of high resolution color

4. Combined with a numerically controlled oscillator (AD9955),

5. Using the parts reduced power output DAC modes, it is

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 617/329-4700

CLOCK

lows for implementation of linearization functions such as

gamma correction and contrast enhancement.

graphics systems including RS-343A/RS-170 and the pro-

posed SMPTE 240M standard for HDTV.

it forms a complete frequency synthesizer (DDS).

ideal for power and cost sensitive communications type

applications.

80 MHz, 10-Bit Video DAC

FUNCTIONAL BLOCK DIAGRAM

GND

ADV7128

ADJUST

DATA

REF

ADV7128

REFERENCE

AMPLIFIER

DAC

Fax: 617/326-8703

CMOS

COMP

OUT

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ADV7128KR80-REEL Summary of contents

Page 1

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 ...

Page 2

ADV7128–SPECIFICATIONS Parameter K Version STATIC PERFORMANCE Resolution 10 Accuracy Integral Nonlinearity, INL Differential Nonlinearity, DNL Gray Scale Error Coding DIGITAL INPUTS Input High Voltage INH Input Low Voltage, V 0.8 INL Input Current Input Capacitance, ...

Page 3

... DATA MEASURED BETWEEN THE 10% AND 90% POINTS OF FULL-SCALE TRANSITION. 7 Figure 1. Video Input/Output Timing Typ Max Units Model 5.00 5.25 Volts ADV7128KR80 80 MHz ADV7128KR50 50 MHz +70 C ADV7128KR30 30 MHz 37.5 1.235 1.26 Volts *R = SOIC. –3– ADV7128 = 37 pF 560 . L SET Units Conditions/Comments MHz max ...

Page 4

ADV7128 * ABSOLUTE MAXIMUM RATINGS V to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5

TERMINOLOGY Color Video (RGB) This usually refers to the technique of combining the three pri- mary colors of red, green and blue to produce color pictures within the usual spectrum. In RGB monitors, three DACs are required, one for each ...

Page 6

ADV7128 Reference Input An external 1.23 V voltage reference is required to drive the ADV7128. The AD589 from Analog Devices is an ideal choice of reference two-terminal, low cost, temperature com- pensated bandgap voltage reference which provides ...

Page 7

0 OUT AD848 6 DAC 3 4 0.1 F – (SOURCE GAIN ( TERMINATION) Figure 6. AD848 As an Output Buffer PC ...

Page 8

ADV7128 It is important to note that while the ADV7128 contains cir- cuitry to reject power supply noise, this rejection decreases with frequency high frequency switching power supply is used, the designer should pay close attention to reducing ...

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