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| 型号： | DAC5674EVM |
| 厂商： | Texas Instruments |
| 文件页数： | 1/39页 |
| 文件大小： | 0K |
| 描述： | EVAL MODULE FOR DAC5674 |
| 产品培训模块： | Data Converter Basics |
| 标准包装： | 1 |
| 系列： | CommsDAC™ |
| DAC 的数量： | 1 |
| 位数： | 14 |
| 采样率（每秒）： | 400M |
| 数据接口： | 并联 |
| 设置时间： | 20ns |
| DAC 型： | 电流 |
| 工作温度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | DAC5674 |
| 相关产品： | DAC5674IPHPRG4-ND - IC DAC 14BIT 400MSPS 48-HTQFP DAC5674IPHPR-ND - IC DAC 14BIT 400MSPS 48-HTQFP DAC5674IPHPG4-ND - IC DAC 14BIT 400MSPS 48-HTQFP 296-15726-ND - IC DAC 14BIT 400MSPS 48-HTQFP |
| 其它名称： | 296-30860 DAC5674EVM-ND |
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DAC5674
SLWS148A SEPTEMBER 2003 REVISED OCTOBER 2005
14BIT, 400 MSPS, 2y/4y INTERPOLATING CommsDAC
DIGITALTOANALOG CONVERTER
8
FEATURES
D 200-MSPS Maximum Input Data Rate
D 400-MSPS Maximum Update Rate DAC
D 76-dBc SFDR Over Full First Nyquist Zone
With Single Tone Input Signal (Fout = 21 MHz)
D 74-dBc ACPR W-CDMA at 15.36 MHz IF
D 69-dBc ACPR W-CDMA at 30.72 MHz IF
D Selectable 2y or 4y Interpolation Filter
Linear Phase
0.05-dB Pass-Band Ripple
80-dB Stop-Band Attenuation
Stop-Band Transition 0.40.6 Fdata
Interpolation Filters Configurable in Either
Low-Pass or High-Pass Mode, Allows For
Selection High-Order Images
D On-Chip 2y/4y PLL Clock Multiplier, PLL
Bypass Mode
D Differential Scalable Current Outputs: 2 mA to
20 mA
D On-Chip 1.2-V Reference
D 1.8-V Digital and 3.3-V Analog Supply
Operation
D 1.8/3.3-V CMOS Compatible Interface
D Power Dissipation: 435 mW at 400 MSPS
D Package: 48-Pin TQFP
APPLICATIONS
D Cellular Base Transceiver Station Transmit
Channel
CDMA: W-CDMA, CDMA2000, IS-95
TDMA: GSM, IS-136, EDGE/UWC-136
D Test and Measurement: Arbitrary Waveform
Generation
D Direct Digital Synthesis (DDS)
D Cable Modem Termination System
DESCRIPTION
The DAC5674 is a 14-bit resolution, high-speed, digital-to-analog converter (DAC) with integrated
4
× interpolation filter, onboard clock multiplier, and on-chip voltage reference. The device has been designed
for high-speed digital data transmission in wired and wireless communication systems, high-frequency
direct-digital synthesis (DDS) and waveform reconstruction in test and measurement applications.
The 4
× interpolation filter is implemented as a cascade of two 2× interpolation filters, each of which can be
configured for either low-pass or high-pass response. This enables the user to select one of the higher order
images present at multiples of the input data rate clock while maintaining a low date input rate. The resulting
high IF output frequency allows the user to omit the conventional first mixer in heterodyne transmitter
architectures and directly up-convert to RF using only one mixer, thereby reducing system complexity and
costs.
In 4
× interpolation low-pass response mode, the DACs excellent spurious free dynamic range (SFDR) at
intermediate frequencies located in the first Nyquist zone (up to 40 MHz) allows for multicarrier transmission
in cellular base transceiver stations (BTS). The low-pass interpolation mode thereby relaxes image filter
requirements by filtering out the images in the adjacent Nyquist zones.
The DAC5674 PLL clock multiplier controls all internal clocks for the digital filters and DAC core. The differential
clock input and internal clock circuitry provides for optimum jitter performance. Sine wave clock input signal is
supported. The PLL can be bypassed by an external clock running at the DAC core update rate. The clock
divider of the PLL ensures that the digital filters operate at the correct clock frequencies.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Excel is a trademark of Microsoft Corporation.
CommsDAC and PowerPAD are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
www.ti.com
Copyright
2005, Texas Instruments Incorporated
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相关代理商/技术参数 |
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|---|---|
| DAC5674IPHP | 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC5674IPHPG4 | 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC5674IPHP-ND | 制造商: 功能描述: 制造商:undefined 功能描述: |
| DAC5674IPHPR | 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC5674IPHPRG4 | 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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