SEMICONDUCTOR INTEGRATED CIRCUITS
Chen Jin, Zhang Xu and Chen Hongda
Abstract: This paper presents a third-order single-loop delta-sigma modulator of a biomedical micro-system for portable electroencephalogram (EEG) monitoring applications. To reduce the power consumption, the loop filter of the proposed modulator is implemented by applying a switched-capacitor structure. The modulator is designed in a 0.35-μm 2P4M standard CMOS process, with an active area of 365 × 290 μm2. Experimental results show that this modulator achieves a 68 dB dynamic range with an input sinusoidal signal of 100 Hz signal bandwidth under a 64 over-sampling ratio. The whole circuit consumes 515 μW under a 2.5 V power supply, which is suitable for portable EEG monitoring.
Key words: analog-to-digital converter
| 1 |
Subthreshold analog techniques Nanjian Wu Journal of Semiconductors, 2019, 40(2): 020204. doi: 10.1088/1674-4926/40/2/020204 |
| 2 |
The total ionizing dose effect in 12-bit, 125 MSPS analog-to-digital converters Xue Wu, Wu Lu, Yudong Li, Qi Guo, Xin Wang, et al. Journal of Semiconductors, 2014, 35(4): 044008. doi: 10.1088/1674-4926/35/4/044008 |
| 3 |
A 100-MHz bandpass sigma--delta modulator with a 75-dB dynamic range for IF receivers Yuan Yudan, Li Li, Chang Hong, Guo Yawei, Cheng Xu, et al. Journal of Semiconductors, 2011, 32(2): 025001. doi: 10.1088/1674-4926/32/2/025001 |
| 4 |
Zhang Zhengping, Wang Yonglu, Huang Xingfa, Shen Xiaofeng, Zhu Can, et al. Journal of Semiconductors, 2011, 32(9): 095010. doi: 10.1088/1674-4926/32/9/095010 |
| 5 |
A robust and simple two-mode digital calibration technique for pipelined ADC Yin Xiumei, Zhao Nan, Sekedi Bomeh Kobenge, Yang Huazhong Journal of Semiconductors, 2011, 32(3): 035001. doi: 10.1088/1674-4926/32/3/035001 |
| 6 |
A high-performance, low-power ΣΔ ADC for digital audio applications Luo Hao, Han Yan, Ray C. C. Cheung, Han Xiaoxia, Ma Shaoyu, et al. Journal of Semiconductors, 2010, 31(5): 055009. doi: 10.1088/1674-4926/31/5/055009 |
| 7 |
A high performance 90 nm CMOS SAR ADC with hybrid architecture Tong Xingyuan, Chen Jianming, Zhu Zhangming, Yang Yintang Journal of Semiconductors, 2010, 31(1): 015002. doi: 10.1088/1674-4926/31/1/015002 |
| 8 |
A low power 3.125 Gbps CMOS analog equalizer for serial links Ju Hao, Zhou Yumei, Jiao Yishu Journal of Semiconductors, 2010, 31(11): 115003. doi: 10.1088/1674-4926/31/11/115003 |
| 9 |
An 8-bit 180-kS/s differential SAR ADC with a time-domain comparator and 7.97-ENOB Fan Hua, Wei Qi, Kobenge Sekedi Bomeh, Yin Xiumei, Yang Huazhong, et al. Journal of Semiconductors, 2010, 31(9): 095011. doi: 10.1088/1674-4926/31/9/095011 |
| 10 |
A 12-bit 40 MS/s pipelined ADC with over 80 dB SFDR Wei Qi, Yin Xiumei, Han Dandan, Yang Huazhong Journal of Semiconductors, 2010, 31(2): 025007. doi: 10.1088/1674-4926/31/2/025007 |
| 11 |
A low power 12-b 40-MS/s pipeline ADC Yin Xiumei, Wei Qi, Xu Lai, Yang Huazhong Journal of Semiconductors, 2010, 31(3): 035006. doi: 10.1088/1674-4926/31/3/035006 |
| 12 |
An 8-bit 100-MS/s pipelined ADC without dedicated sample-and-hold amplifier Zhang Zhang, Yuan Yudan, Guo Yawei, Cheng Xu, Zeng Xiaoyang, et al. Journal of Semiconductors, 2010, 31(7): 075006. doi: 10.1088/1674-4926/31/7/075006 |
| 13 |
A 12 bit 100 MS/s pipelined analog to digital converter without calibration Cai Xiaobo, Li Fule, Zhang Chun, Wang Zhihua Journal of Semiconductors, 2010, 31(11): 115007. doi: 10.1088/1674-4926/31/11/115007 |
| 14 |
A 13-bit, 8 MSample/s pipeline A/D converter Guo Dandan, Li Fule, Zhang Chun, Wang Zhihua Journal of Semiconductors, 2009, 30(2): 025006. doi: 10.1088/1674-4926/30/2/025006 |
| 15 |
A 1-V 60-μW 85-dB dynamic range continuous-time third-order sigma–delta modulator Li Yuanwen, Qi Da, Dong Yifeng, Xu Jun, Ren Junyan, et al. Journal of Semiconductors, 2009, 30(12): 125011. doi: 10.1088/1674-4926/30/12/125011 |
| 16 |
Low-power CMOS fully-folding ADC with a mixed-averaging distributed T/H circuit Liu Zhen, Jia Song, Wang Yuan, Ji Lijiu, Zhang Xing, et al. Journal of Semiconductors, 2009, 30(12): 125013. doi: 10.1088/1674-4926/30/12/125013 |
| 17 |
A 1.8V 10bit 100Msps Pipelined Analog to Digital Converter Long Shanli, Shi Longxing, Wu Jianhui, Wang Pei Journal of Semiconductors, 2008, 29(5): 923-929. |
| 18 |
Mismatch Calibration Techniques in Successive Approximation Analog-to-Digital Converters Wang Pei, Long Shanli, Wu Jianhui Chinese Journal of Semiconductors , 2007, 28(9): 1369-1374. |
| 19 |
Design and Analysis of Analog Front-End of Passive RFID Transponders Hu Jianyun, He Yan, Min Hao Chinese Journal of Semiconductors , 2006, 27(6): 999-1005. |
| 20 |
A Novel Sampling Switch Suitable for Low-Voltage Analog-to-Digital Converters Peng Yunfeng, Zhou Feng Chinese Journal of Semiconductors , 2006, 27(8): 1367-1372. |
Article views: 3145 Times PDF downloads: 2920 Times Cited by: 0 Times
Received: 18 August 2015 Revised: 07 February 2010 Online: Published: 01 July 2010
| Citation: |
Chen Jin, Zhang Xu, Chen Hongda. Low-power switched-capacitor delta-sigma modulator for EEG recording applications[J]. Journal of Semiconductors, 2010, 31(7): 075009. doi: 10.1088/1674-4926/31/7/075009
****
Chen J, Zhang X, Chen H D. Low-power switched-capacitor delta-sigma modulator for EEG recording applications[J]. J. Semicond., 2010, 31(7): 075009. doi: 10.1088/1674-4926/31/7/075009.
|
WeChat ID
Journal of Semiconductors © 2017 All Rights Reserved 京ICP备05085259号-2
DownLoad: