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DAC5689的基本参数
  • 制造厂商:TI
  • 产品类别:数据转换器
  • 技术类目:数模转换器 (DAC) - 高速数模转换器 (>10MSPS)
  • 功能描述:双通道、16 位、800MSPS、1x-8x 内插数模转换器 (DAC)
  • 点击这里打开及下载DAC5689的技术文档资料
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DAC5689的产品详情:

The DAC5689 is a dual-channel 16-bit 800 MSPS digital-to-analog converter (DAC) with dual CMOS digital data bus, integrated 2x-8x interpolation filters, a fine frequency mixer with 32-bit complex numerically controlled oscillator (NCO), IQ compensation, and internal voltage reference. Different modes of operation enable or bypass various signal processing blocks. The DAC5689 offers superior linearity, noise and crosstalk performance.

The DAC5689 dual CMOS data bus provides 250 MSPS input data transfer per DAC channel. Several input data options are available: dual-bus data, single-bus interleaved data, even and odd multiplexing at half-rate, and an input FIFO with either external or internal clock to ease interface timing. Input data can be interpolated 2x, 4x or 8x by on-board digital interpolating FIR filters with over 80 dB of stop-band attenuation.

The DAC5689 allows both complex or real output. An optional 32-bit NCO/mixer in complex mode provides frequency upconversion and the dual DAC output produces a complex Hilbert Transform pair. A digital Inverse SINC filter compensates for the natural DAC sin(x)/x frequency roll-off. The digital Quadrature Modulator Correction (QMC) feature allows IQ compensation of phase, gain and offset to maximize sideband rejection and minimize LO feed-through of an external quadrature modulator performing the final single sideband RF up-conversion.

The DAC5689 is pin upgradeable to the DAC5688 which includes a clock multiplying PLL. The DAC5689 is characterized for operation over the industrial temperature range of –40°C to 85°C and is available in a 64-pin 9×9mm QFN package.

DAC5689的优势和特性:
  • Dual, 16-Bit, 800 MSPS DACs
  • Dual, 16-Bit, 250 MSPS CMOS Input Data
    • 16 Sample Input FIFO
    • Flexible Input Data Bus Options
  • High Performance
    • 81 dBc ACLR WCDMA TM1 at 70 MHz
  • Selectable 2x–8x Interpolation Filters
    • Stop-band Attenuation > 80 dB
  • Complex Mixer with 32-Bit NCO
  • Digital Quadrature Modulator Correction
    • Gain, Phase and Offset Correction
  • Digital Inverse SINC Filter
  • 3- or 4-Wire Serial Control Interface
  • On Chip 1.2-V Reference
  • Differential Scalable Output: 2 to 20 mA
  • Package: 64-pin 9×9mm QFN
  • APPLICATIONS
    • Cellular Base Stations
    • Broadband Wireless Access (BWA)
    • WiMAX 802.16
    • Fixed Wireless Backhaul
    • Cable Modem Termination System (CMTS)

DAC5689的参数(英文):
  • Resolution (Bits)
  • 16
  • Number of DAC channels (#)
  • 2
  • Interface type
  • Parallel CMOS
  • Sample/update rate (MSPS)
  • 800
  • Features
  • High Performance
  • Rating
  • Catalog
  • Interpolation
  • 1x, 2x, 4x, 8x
  • Power consumption (Typ) (mW)
  • 1750
  • SFDR (dB)
  • 83
  • Architecture
  • Current Sink
  • Operating temperature range (C)
  • -40 to 85
  • Reference type
  • Int
DAC5689具体的完整产品型号参数及价格(美元):

DAC5689的完整型号有:DAC5689IRGCR、DAC5689IRGCT,以下是这些产品的关键参数及官网采购报价:

DAC5689IRGCR,工作温度:-40 to 85,封装:VQFN (RGC)-64,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网DAC5689IRGCR的批量USD价格:35.895(1000+)

DAC5689IRGCT,工作温度:-40 to 85,封装:VQFN (RGC)-64,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网DAC5689IRGCT的批量USD价格:37.895(1000+)

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DAC5689的评估套件:

DAC5688EVM — DAC5688 评估模块

DAC5688EVM 是一块电路板,它允许设计人员评估具有宽带 LVDS 数据输入、集成 2x/4x/8x 内插滤波器、32 位 NCO 和内部参考电压的德州仪器 (TI) 双通道 16 位 800MSPS 数模转换器 (DAC)。EVM 提供了可在各种时钟、输入条件下测试 DAC5688 的灵活环境。

它能与 TSW3100 配合使用以执行各种测试程序。TSW3100 生成了测试模式,该模式将通过单行速度可达 250MSPS 的双路 CMOS 端口被馈送至 DAC5688。DAC5688EVM 具有可使 TSW3100 板与 DAC5688 同步的可编程时钟芯片。

DAC5689EVM-SW — DAC5689EVM 软件

The DAC5689 EVM software GUI allows for programming control of the DAC5689.

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