caa a22 4500 606206159 CHVBK 20210128101010.0 cr unu---uuuuu 210128e20150801xx s 000 0 eng 10.1007/s00034-015-9973-z doi (NATIONALLICENCE)springer-10.1007/s00034-015-9973-z An 8-bit, 10KS/s, $$1.87\upmu \text {W}$$ 1.87 μ W Successive Approximation Analog to Digital Converter in $$0.25\,\upmu \hbox {m}$$ 0.25 μ m CMOS Technology for ECG Detection Systems [Elektronische Daten] [Soliman Mahmoud, Heba Salem, Hend Albalooshi] This paper presents an 8-bit successive approximation analog to digital converter (SA-ADC) employing a mostly digital implementation for portable Electrocardiogram (ECG) detection systems. At 10K samples/s, the proposed SA-ADC consumes $$1.87\,\upmu \hbox {W}$$ 1.87 μ W from a 1V power supply. The layout and extraction of the proposed SA-ADC are done using L-edit and simulated using TSMC $$0.25\,\upmu \hbox {m}$$ 0.25 μ m technology file on Pspice. According to the simulation results, the SA-ADC has a signal-to-noise ratio of 57 dB, peak spurious-free dynamic range of 41dB, and a signal-to-noise-and-distortion ratio of 40.5dB for a 200Hz- $$500\hbox {mV}_{\mathrm{pp}}$$ 500 mV pp input sine wave. In addition to that, the SA-ADC has effective number of bits of 6.5-bits, an effective resolution bandwidth of 1.5kHz and a figure of merit of 6.85pJ/Conversion step. The digitized ECG signal is precisely reconstructed using a novel reconstruction circuit. These results show that the proposed SA-ADC in $$0.25\,\upmu \hbox {m}$$ 0.25 μ m technology is a good candidate for ECG detection systems. Springer Science+Business Media New York, 2015 ECG nationallicence Low power circuits nationallicence SA-ADC nationallicence Low-frequency ADC nationallicence Portable systems nationallicence Mahmoud Soliman Electrical and Computer Engineering Department, Sharjah University, Sharjah, UAE aut Salem Heba Electrical and Computer Engineering Department, Sharjah University, Sharjah, UAE aut Albalooshi Hend Electrical and Computer Engineering Department, Sharjah University, Sharjah, UAE aut Circuits, Systems, and Signal Processing Springer US; http://www.springer-ny.com 34/8(2015-08-01), 2419-2439 0278-081X 34:8<2419 2015 34 34 https://doi.org/10.1007/s00034-015-9973-z text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00034-015-9973-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Mahmoud Soliman Electrical and Computer Engineering Department, Sharjah University, Sharjah, UAE aut NATIONALLICENCE 700 1- Salem Heba Electrical and Computer Engineering Department, Sharjah University, Sharjah, UAE aut NATIONALLICENCE 700 1- Albalooshi Hend Electrical and Computer Engineering Department, Sharjah University, Sharjah, UAE aut NATIONALLICENCE 773 0- Circuits, Systems, and Signal Processing Springer US; http://www.springer-ny.com 34/8(2015-08-01), 2419-2439 0278-081X 34:8<2419 2015 34 34