AD9726 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD9726 Datasheet PDF : 16 Pages
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Preliminary Technical Data
FEATURES
600+ MSPS DAC update rate
16/14/12/10-bit resolution family
LVDS interface with built-in 100-termination resistors
Single data rate and double data rate capability
Excellent dynamic performance
SFDR = 65 dBc at 140 MHz
IMD = 75 dBc at 140 MHz
Differential current outputs: 2 mA to 20 mA
–40°C to +85°C temperature range operation
On-chip 1.20 V reference
Package: 80-lead thermally-enhanced TQFP
Versatile clock and data interface
APPLICATIONS
Instrumentation and test
Wideband communications systems
Point-to-point wireless
LMDS
PA linearization
High resolution displays
PRODUCT DESCRIPTION
The AD9726 is a 16-bit digital-to-analog converter (DAC) that
utilizes an LVDS interface to achieve conversion rates in excess
of 600 MSPS. It is in a family of pin compatible converters that
offers selection of 10-bit, 12-bit, 14-bit, and 16-bit resolution
grades. All of the devices share the same interface options, small
outline package, and pinout, providing an upward or downward
component selection path based on performance, resolution
and cost.
16-Bit, 600+ MSPS
D/A Converter
AD9726
FUNCTIONAL BLOCK DIAGRAM
CALIBRATION
REFERENCE
FSADJ
REFIO
DB[15:0]+
DB[15:0]–
DATA
FORMATTER
DATA SYNC.
16-BIT
DAC
DDR
DATACLK_IN+
DATACLK_IN–
REXT
DATACLK_OUT+
DATACLK_OUT–
SPI
DATA CLOCK
FORMATTER
CLOCK DISTRIBUTION
AND CONTROL
CLK+
CLK–
Figure 1
IOUTA
IOUTB
SDIO
SDO/SYNC_ALRM
CSB
SCLK/SYNC_UPD
RESET
PRODUCT HIGHLIGHTS
Ultralow noise and intermodulation distortion (IMD) enable
high quality waveform synthesis at intermediate frequencies up
to 200 MHz.
LVDS receivers support SDR or DDR modes, with the maxi-
mum conversion rate exceeding 600 MSPS.
Manufactured on a CMOS process, the AD9726 uses a proprie-
tary switching technique that enhances dynamic performance.
The current output of the AD9726 can be easily configured for
various single-ended or differential circuit topologies.
Rev. PrD
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.
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