AD9726 16-Bit, 400 MSPS TxDAC+® D/A Converter

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

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
Features and Benefits
  • 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 @ fOUT = 70 MHz
  • IMD > 80 dBc to 80 MHz: > -80 dBc
  • Selectable Data Format: Twos Complement or Straight Binary
  • Programmable via SPI Port
Digital to Analog Converters
Data Sheets
Documentnote
AD9726: 16-Bit, 400 MSPS Digital-to-Analog Converter Data Sheet (Rev. B)PDF 603 kB
Application Notes
Documentnote
AN-808: Multicarrier CDMA2000 Feasibility (Rev. 0)PDF 1535 kB
AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC (Rev. 0)PDF 246 kB
AN-834: AD9786/AD9726 Calibration Engine (Rev. 0)PDF 354 kB
AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 1PDF 1295 kB
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
AD9726BSVZ Production80 ld TQFP with exposed padOTH 119-40 to 85C41.6135.37Y
AD9726BSVZRL Production80 ld TQFP with exposed padREEL 1000-40 to 85C035.37Y
Reference Materials
AD9726: 16-Bit, 400 MSPS Digital-to-Analog Converter Data Sheet (Rev. B) ad9726
AN-808: CDMA2000多载波系统可行性研究 (Rev. 0) adl5330
AN-834: AD9786/AD9726校准引擎 (Rev. 0) ad9786
AN-808: Multicarrier CDMA2000 Feasibility (Rev. 0) ad9863
AN-912: 用平衡电流输出DAC驱动中心抽头变压器[中文版] (Rev. 0) ad7524
AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC (Rev. 0) ad7524
AN-834: AD9786/AD9726 Calibration Engine (Rev. 0) ad9786
AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 1 ad7524
Digital to Analog Converters ICs Solutions Bulletin ad5590
Digital-to-Analog Converter ICs Solutions Bulletin, Volume 10, Issue 1 adclk905
Test & Instrumentation Solutions Bulletin, Volume 10, Issue 3 ad7780
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