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数模转换器 (DAC)
高速 DAC (> 10MSPS)

DAC2904

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双通道、14 位、125MSPS 数模转换器 (DAC)

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数据表

DAC2904

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数据表 立即订购

米6体育平台手机版_好二三四详情

Resolution (Bits) 14 Number of DAC channels 2 Interface type Parallel CMOS Sample/update rate (Msps) 125 Features Low Power Rating Catalog Interpolation 1x Power consumption (typ) (mW) 310 SFDR (dB) 82 Architecture Current Source Operating temperature range (°C) -40 to 85 Reference type Ext, Int
Resolution (Bits) 14 Number of DAC channels 2 Interface type Parallel CMOS Sample/update rate (Msps) 125 Features Low Power Rating Catalog Interpolation 1x Power consumption (typ) (mW) 310 SFDR (dB) 82 Architecture Current Source Operating temperature range (°C) -40 to 85 Reference type Ext, Int
TQFP (PFB) 48 81 mm² 9 x 9
  • 125MSPS UPDATE RATE
  • SINGLE SUPPLY: +3.3V or +5V
  • HIGH SFDR: 78dB at fOUT = 10MHz
  • LOW GLITCH: 2pV-s
  • LOW POWER: 310mW
  • INTERNAL REFERENCE
  • POWER-DOWN MODE: 23mW
  • APPLICATIONS
    • COMMUNICATIONS:
      • Base Stations, WLL, WLAN
      • Baseband I/Q Modulation
    • MEDICAL/TEST INSTRUMENTATION
    • ARBITRARY WAVEFORM GENERATORS (ARB)
    • DIRECT DIGITAL SYNTHESIS (DDS)

All trademarks are the property of their respective owners.
  • 125MSPS UPDATE RATE
  • SINGLE SUPPLY: +3.3V or +5V
  • HIGH SFDR: 78dB at fOUT = 10MHz
  • LOW GLITCH: 2pV-s
  • LOW POWER: 310mW
  • INTERNAL REFERENCE
  • POWER-DOWN MODE: 23mW
  • APPLICATIONS
    • COMMUNICATIONS:
      • Base Stations, WLL, WLAN
      • Baseband I/Q Modulation
    • MEDICAL/TEST INSTRUMENTATION
    • ARBITRARY WAVEFORM GENERATORS (ARB)
    • DIRECT DIGITAL SYNTHESIS (DDS)

All trademarks are the property of their respective owners.

The DAC2904 is a monolithic, 14-bit, dual-channel, high-speed Digital-to-Analog Converter (DAC), and is optimized to provide high dynamic performance while dissipating only 310mW.

Operating with high update rates of up to 125MSPS, the DAC2904 offers exceptional dynamic performance, and enables the generation of very-high output frequencies suitable for “Direct IF” applications. The DAC2904 has been optimized for communications applications in which separate I and Q data are processed while maintaining tight-gain and offset matching.

Each DAC has a high-impedance differential-current output, suitable for single-ended or differential analog-output configurations.

The DAC2904 combines high dynamic performance with a high update rate to create a cost-effective solution for a wide variety of waveform-synthesis applications:

  • Pin compatibility between family members provides 10-bit (DAC2900), 12-bit (DAC2902), and 14-bit (DAC2904) resolution.
  • Pin compatible to the AD9767 dual DAC.
  • Gain matching is typically 0.5% of full-scale, and offset matching is specified at 0.02% max.
  • The DAC2904 utilizes an advanced CMOS process; the segmented architecture minimizes output-glitch energy, and maximizes the dynamic performance.
  • All digital inputs are +3.3V and +5V logic compatible. The DAC2904 has an internal reference circuit, and allows use in a multiplying configuration.

The DAC2904 is available in a TQFP-48 package, and is specified over the extended industrial temperature range of –40°C to +85°C.

The DAC2904 is a monolithic, 14-bit, dual-channel, high-speed Digital-to-Analog Converter (DAC), and is optimized to provide high dynamic performance while dissipating only 310mW.

Operating with high update rates of up to 125MSPS, the DAC2904 offers exceptional dynamic performance, and enables the generation of very-high output frequencies suitable for “Direct IF” applications. The DAC2904 has been optimized for communications applications in which separate I and Q data are processed while maintaining tight-gain and offset matching.

Each DAC has a high-impedance differential-current output, suitable for single-ended or differential analog-output configurations.

The DAC2904 combines high dynamic performance with a high update rate to create a cost-effective solution for a wide variety of waveform-synthesis applications:

  • Pin compatibility between family members provides 10-bit (DAC2900), 12-bit (DAC2902), and 14-bit (DAC2904) resolution.
  • Pin compatible to the AD9767 dual DAC.
  • Gain matching is typically 0.5% of full-scale, and offset matching is specified at 0.02% max.
  • The DAC2904 utilizes an advanced CMOS process; the segmented architecture minimizes output-glitch energy, and maximizes the dynamic performance.
  • All digital inputs are +3.3V and +5V logic compatible. The DAC2904 has an internal reference circuit, and allows use in a multiplying configuration.

The DAC2904 is available in a TQFP-48 package, and is specified over the extended industrial temperature range of –40°C to +85°C.
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技术文档

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类型 标题 下载最新的英语版本 日期
* 数据表 Dual, 14-Bit, 125 MSPS Digital-to-Analog Converter 数据表 (Rev. C) 2004年 10月 14日
应用手册 Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A) 2015年 5月 8日
应用手册 所选封装材料的热学和电学性质 2008年 10月 16日
应用手册 高速数据转换 英语版 2008年 10月 16日
用户指南 TSW3000 Demo Kit (Rev. B) 2005年 11月 20日
用户指南 TSW3000 Demo Kit (Rev. A) 2005年 9月 26日
EVM 用户指南 DAC290x-EVM: Demo Board (Rev. B) 2005年 9月 20日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

仿真模型

DAC2904 IBIS Model for 3.3V

SLWC052.ZIP (6 KB) - IBIS Model
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仿真模型

DAC2904 IBIS Model for 5V

SLWC053.ZIP (5 KB) - IBIS Model
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计算工具

MATCHGAIN-CALC — 宽带辅助电流输出 DAC 转 SE 接口：增益和合规电压摆幅的改进匹配

NOTE: Calculator software is available when downloading the application note.
  • Click on "abstract" to view abstract of document.
  • Open the ZIP file to extract the calculator tool.
  • Open the PDF file to view the application note.

High-speed digital-to-analog converters (DACs) most often use a (...)

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模拟工具

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PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源米6体育平台手机版_好二三四系列以及精选的模拟行为模型。

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封装 引脚 CAD 符号、封装和 3D 模型
TQFP (PFB) 48 Ultra Librarian
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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