10 bit current steering DAC in 90 nm technology
10 bit current steering DAC in 90 nm technology
复制标题
采用 90 nm 技术的 10 位电流控制 DAC
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
R. Ewing
中科院分区：
文献类型：
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作者：
Tyler Moody;S. Ren;R. Ewing
介绍了一种采用90 nm CMOS工艺的高速电流舵DAC的设计。该设计的分辨率为10位，分为6个温度计编码电流单元和4个二进制加权电流单元。使用温度计编码而不是二进制编码的十进制，以减少毛刺，因为一次只有一个位发生变化。讨论了电流传感器、温度传感器、偏置电路等子器件的设计方法。仿真结果表明，该DAC的输入带宽为250 MHz。
The design of a high speed current steering DAC using 90 nm CMOS technology is presented. The resolution for this design is 10 bits, segmented into 6 thermometer encoded current cells and 4 binary weighted current cells. Thermometer encoding is used instead of binary coded decimal to reduce glitches since only one bit changes at a time. The design methodology of the sub-components such as current cell, thermometer encoder, and bias circuits are discussed. The simulation results show the input bandwidth of the DAC is 250 MHz.