A new rail-to-rail comparator with adaptive power control for low power SAR ADCs in biomedical application
A new rail-to-rail comparator with adaptive power control for low power SAR ADCs in biomedical application
复制标题
一种具有自适应功率控制的新型轨到轨比较器,适用于生物医学应用中的低功耗 SAR ADC
DOI:
10.1109/iscas.2010.5537421
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发表时间:
2010
期刊:
影响因子:
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通讯作者:
H. Tsai
中科院分区:
文献类型:
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作者:
Sung;C. Hsieh;Chin;H. Tsai
In this paper, a new IV rail-to-rail comparator is presented with low noise, high speed and low power consumption. We utilize current mirrors to overcome the kickback noise. A new adaptive power control (APC) technique is also proposed to minimize the power dissipation of the comparator. Moreover, it provides an optimized and stable power dissipation irrelative to process and bias variation. A prototype IV rail-to-rail SAR ADC for biomedical application has been implemented in 0.18μm TSMC CMOS technology. It consumes 2.86 μW at 250kS/s and the figure of merit is 85.7 fJ/conversion-step. It shows that this work efficiently reduces 52% to 80% power consumption of the dynamic comparator at 500kS/s to 125kS/s.
DOI:
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发表时间:
2005
期刊:
影响因子:
--
作者:
Kawai;K.;Nishikawa;T.;Shiba;Y.;Saito;S.;Murota;K.;Shihata;N.;Kobayashi;M.;Kanayama;M.;Uchida;K. and Terao;J.;T. Yoshida
通讯作者:
T. Yoshida