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  2. D/A Converters (DAC)
  3. High Speed D/A Converters ≥30MSPS
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  5. AD9146

Data Sheet Rev. A
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Overview

Features and Benefits

  • Flexible LVDS interface allows byte or nibble load
  • Single-carrier W-CDMA ACLR = 80 dBc at 122.88 MHz IF
  • Analog output: adjustable 8.7 mA to 31.7 mA,
    RL = 25 Ω to 50 Ω
  • Integrated 2×/4× interpolator/complex modulator allows carrier placement anywhere in the DAC bandwidth
  • Gain, dc offset, and phase adjustment for sideband suppression
  • Multiple chip synchronization interfaces
  • High performance, low noise PLL clock multiplier
  • Digital inverse sinc filter
  • Low power: 1.2 W @ 1.0 GSPS, 800 mW @ 500 MSPS, full operating conditions
  • 48-lead, exposed paddle LFCSP

Product Details

The AD9146 is a dual, 16-bit, high dynamic range digital-to-analog converter (DAC) that provides a sample rate of 1230 MSPS, permitting multicarrier generation up to the Nyquist frequency.

The AD9146 TxDAC+® includes features optimized for direct conversion transmit applications, including complex digital modulation, and gain and offset compensation. The DAC outputs are optimized to interface seamlessly with analog quadrature modulators, such as the ADL537x F-MOD series from Analog Devices, Inc. A 3-wire serial port interface provides for programming/readback of many internal parameters. Full-scale output current can be programmed over a range of 8.7 mA to 31.7 mA. The AD9146 comes in a 48-lead LFCSP.

PRODUCT HIGHLIGHTS

  1. Ultralow noise and intermodulation distortion (IMD) enable high quality synthesis of wideband signals from baseband to high intermediate frequencies.
  2. A proprietary DAC output switching technique enhances dynamic performance.
  3. The current outputs are easily configured for various single-ended or differential circuit topologies.
  4. Compact LVDS digital interface offers reduced width data bus.

APPILICATIONS

  • Wireless infrastructure
  • W-CDMA, CDMA2000, TD-SCDMA, WiMAX, GSM, LTE
  • Digital high or low IF synthesis
  • Transmit diversity
  • Wideband communications: LMDS/MMDS, point-to-point

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Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (3)

Documentation & Resources

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  • Data Sheets (1)
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  • Webcasts (1)
    • Document Type

    Software & Systems Requirements

    Evaluation Software

    ACE Evaluation Software
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    Tools & Simulations

    IBIS Models

    Product Recommendations

    AD9146 Companion Parts

    Recommended Quadrature Modulators

    Recommended Clock Drivers

    Recommended Output Amplifiers

    Design Resources

    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 Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    AD9146BCPZ Material Declaration Reliability Data 48-Lead LFCSP (7mm x 7mm x 0.75mm w/ EP)
    AD9146BCPZRL Material Declaration Reliability Data 48-Lead LFCSP (7mm x 7mm x 0.75mm w/ EP)
    Wafer Fabrication Data

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    Select Model for PCN Information
    • AD9146BCPZ Production
    • AD9146BCPZRL Production

    Support & Discussions

    AD9146 Discussions

    RE: AD9146 Filter Taps
    RE: AD9146 PLL Control N0 divider
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    AD9146 Contact ADI Technical Support »
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