摘要
基于Mixed-Signal CMOS工艺,设计了一种采用分段式电流舵结构的高速高精度DAC.电路设计中同时在该DAC的内部电路中采用了一种新的电流校准技术,既保证了DAC电路的高精度,又减小了梯度误差的影响.电路流片后的实际测试结果表明,该16位DAC在400MSPS转换速率下仍具有良好的性能.
A high speed and high resolution DAC with segmented current-steering is presented here by using mixed-signal CMOS technology.Meanwhile,with a novel current calibration technique,it can guarantee the high resolution and reduce the effect of gradient mismatch.The tape-out circuit test results show that the 16-bit DAC achieve favorable performance at conversion rates up to 400MSPS.
出处
《微电子学与计算机》
CSCD
北大核心
2011年第6期31-35,共5页
Microelectronics & Computer
