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一种单端10-bit SAR ADC IP核的设计
Design of a 10 bit single-ended SAR ADC IP core
【摘要】 本设计通过采用分割电容阵列对DAC进行优化,在减小了D/A转换开关消耗的能量、提高速度的基础上,实现了一款采样速度为1 MS/s的10-bit单端逐次逼近型模数转换器。使用cadence spectre工具进行仿真,仿真结果表明,设计的D/A转换器和比较器等电路满足10-bit A/D转换的要求,逐次逼近A/D转换器可以正常工作。
【Abstract】 A 10-bit-1-MS/s single-ended successive approximation register(SAR) analog-to-digital converter(ADC) that uses a split capacitor array to optimize the digital-to-analog converter(DAC) is presented,increase speed and reduce switching energy when the digital signal to analog signal converting.The simulation results which use the cadence spectre show that the proposed digital-to-analog converter,comparator and other circuits meet the requirements of the 10-bit analog-to-digital converter.the successive approximation register analog-to-digital converter can work successfully.
【Key words】 Digital-to-Analog converter; successive approximation; low power; single-ended; binary weighted capacitors;
- 【文献出处】 电子设计工程 ,Electronic Design Engineering , 编辑部邮箱 ,2012年13期
- 【分类号】TN792
- 【被引频次】2
- 【下载频次】171