標題: A 0.5V 1KS/s 2.5nW 8.52-ENOB 6.8fJ/Conversion-Step SAR ADC for Biomedical Applications
作者: Lu, Tsung-Che
Van, Lan-Da
Lin, Chi-Sheng
Huang, Chun-Ming
資訊工程學系
Department of Computer Science
公開日期: 2011
摘要: A low-FOM SAR ADC using the leakage reduction bootstrapped switch (LRBS) to achieve a satisfactory ENOB and using a low-power approach with a low voltage, low sampling rate, and low-DAC-capacitance structure is presented for biomedical applications. LRBS is proposed to alleviate the leakage caused by the low-power approach to increase SNDR and ENOB. From the measurement results, the 0.18 mu m CMOS prototype chip with the total DAC capacitance of 2.765pF consumes 2.5nW and achieves a SNDR of 53.05dB under a 0.5V supply voltage at 1KS/s with a Nyquist input. The resulting FOM is 6.8fJ/conversion-step.
URI: http://hdl.handle.net/11536/14571
ISBN: 978-1-4577-0223-5
期刊: 2011 IEEE CUSTOM INTEGRATED CIRCUITS CONFERENCE (CICC)
Appears in Collections:Conferences Paper