A 9-bit, 14 μW and 0.06 mm2 Pulse Position Modulation ADC in 90 nm Digital CMOS

被引:66
作者
Naraghi, Shahrzad [1 ,2 ]
Courcy, Matthew [3 ]
Flynn, Michael P. [2 ]
机构
[1] Cirrus Log Inc, Austin, TX 78746 USA
[2] Univ Michigan, Ann Arbor, MI 48109 USA
[3] Natl Semicond Corp, Salem, NH 03079 USA
关键词
ADC; PPM; TDC; CONVERTER; NOISE;
D O I
10.1109/JSSC.2010.2050945
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This work presents a compact, low-power, time-based architecture for nanometer-scale CMOS analog-to-digital conversion. A pulse position modulation ADC architecture is proposed and a prototype 9 bit PPM ADC incorporating a two-step TDC scheme is presented as proof of concept. The 0.06 mm(2) prototype is implemented in 90 nm CMOS and achieves 7.9 effective bits across the entire input bandwidth and dissipates 14 mu W at 1 MS/s.
引用
收藏
页码:1870 / 1880
页数:11
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