Publisher DOI: 10.1109/LASCAS45839.2020.9068978
Title: A 16-bit Pressure Sensing Interface Integrating a 460 fJ/conv Incremental Sigma Delta ADC for Medical Devices
Language: English
Authors: Solis-Arbustini, Johan-Roberto 
Mendoza Ponce, Pablo Daniel  
Krautschneider, Wolfgang 
Kuhl, Matthias  
Keywords: CMOS;Incremental analog-to-digital converter (IADC);low-area;low-power;sigma delta modulation
Issue Date: Feb-2020
Source: Latin American Symposium on Circuits and Systems, LASCAS: 9068978 (2020-02)
Abstract (english): This work presents an incremental 2nd-order sigma delta using a single operational transconductance amplifier. This design provides a good trade-off between time conversion, high bit resolution, power consumption and area utilization for a pressure sensing reading interface. The modulator, designed in 180 nm CMOS technology, has been optimized for low area utilization, occupying only 0.058 mm2. Post-layout simulations were performed showing a resolution of 150 μV while consuming 120 μW and 460 fJ/conv. The system has a resolution of 16 bits, a bandwidth of 2 kHz, an oversampling ratio of 512 and a sampling frequency of 2 MHz.
Conference: 2020 IEEE 11th Latin American Symposium on Circuits and Systems, LASCAS 2020 
URI: http://hdl.handle.net/11420/6149
ISBN: 978-172813427-7
Institute: Integrierte Schaltungen E-9 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
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