AD9726

NOT RECOMMENDED FOR NEW DESIGNS

16-Bit, 400 MSPS TxDAC+^® D/A Converter

Data Sheet (Rev. B) Product Selection Table

Part Models: 2
1ku List Price: Starting From $46.78

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Overview

400+ MSPS DAC Update Rate
Low Voltage Differential Signaling (LVDS) Compatible Inputs
Built-In 100 Ω termination resistors
Single Data Rate (SDR) and Double Data Rate (DDR) Capability
Versatile Clock and Data Interface

Noise Floor Performance: < –160 dBm/Hz @ f_OUT = 70 MHz
IMD > 80 dBc to 80 MHz: > -80 dBc
Selectable Data Format: Twos Complement or Straight Binary
Programmable via SPI Port

The AD9726 is a 16-bit high performance LVDS DAC that offers exceptional noise and spurious performance and true 16-bit dc linearity. Manufactured on a CMOS process, the AD9726 uses a proprietary switching technique that enhances dynamic performance. A wide full-scale current adjustment span of 2 mA to 20 mA allows the AD9726 to operate at reduced power levels. The current output(s) of the AD9726 can be easily configured for various single-ended or differential circuit topologies.

The AD9726 leverages the latest TxDAC+ core technology found in the AD9786 product family to achieve industry-leading noise and intermodulation distortion (IMD) performance. This record-breaking performance allows synthesis of multicarrier transmit signals at intermediate frequencies (IFs) of 140 MHz and beyond. As a result, system designers can eliminate an up-conversion stage and reduce overall parts count, ultimately lowering total system cost. Alternatively, the high conversion rate enables wideband signal synthesis.

TxDAC+ is registered trademark of Analog Devices.

APPLICATIONS

Instrumentation
Test equipment
Waveform synthesis
Communications system

Part Models: 2
1ku List Price: Starting From $46.78

Documentation

Data Sheet 1

AD9726: 16-Bit, 400 MSPS Digital-to-Analog Converter Data Sheet (Rev.B) 02/08/2010

Application Note 4

AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 1 10/15/2004

AN-834: AD9786/AD9726 Calibration Engine (Rev.0) 02/27/2006

AN-808: Multicarrier CDMA2000 Feasibility (Rev.0) 11/09/2007

AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC 08/07/2023

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
AD9726BSVZ	80-Lead TQFP (12mm x 12mm)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
AD9726BSVZRL	80-Lead TQFP (12mm x 12mm)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Mar 15, 2016 - 14_0258 Assembly Transfer of Selected 14x14 LQFP, 14x14 LQFP_EP and 7x7,10x10,12x12,14x14 TQFP_EP Products to Amkor Philippines
		PCN14_0258_Form Detailed Parts List Material_Report Qualification Results Summary Qualification Results Summary Qualification Results Summary Qualification Results Summary Detailed Change Description Qualification Results Summary Qualification Results Summary
AD9726BSVZ	PRODUCTION
AD9726BSVZRL	PRODUCTION
Jun 16, 2009 - 09_0027 Conversion to Laser Mark for the LQFP Packages (Single Grades)
		adi48lqfp Form Material_Report
AD9726BSVZ	PRODUCTION
AD9726BSVZRL	PRODUCTION
Jan 5, 2009 - 07_0077 Certification of STATSChipPAC Shanghai, China and AMKOR Philippines as additional sources for Assembly & Test of QFP Packages
		07_0077Rev D_LQFP_Dec17 07_0077Rev D_MQFP_Dec15 07_0077Rev D_Obsolesence_Dec15 07_0077Rev D_TQFP_Dec15 Material_Report PCN07_0077_Form QFP Transfer Qualification Results-tests_DEC12CL
AD9726BSVZ	PRODUCTION
AD9726BSVZRL	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Evaluation Kits

AD9726 Evaluation Board

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Product Details

The AD9726 evaluation board provides a platform for evaluating the performance of the device. To operate the board, the user must apply power, a clock source, a digital data source, and be able to observe the DAC output on either a spectrum analyzer or an oscilloscope. A low jitter sine or square wave clock will work well as a source. The evaluation board comes with software which allows the user to program the SPI port. Via the SPI port, the DUT can be programmed into any of its various operating modes.