A 0.5-ms 47.5-nJ resistor-to-digital converter for resistive BTEX sensor achieving 0.1-to-5 ppb resolution

Y Lee, B Cho, C Lee, J Kim… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
This article presents an energy-efficient resistor-to-digital converter (RDC) intended for use
in a gas sensor system to detect harmful benzene, toluene, ethyl-benzene, and xylene …

A 130-nm BiCMOS, 2-nV/√ Hz input-referred noise interface circuit for multiple resistive sensors

D Livornesi, AE Vergani, F Piscitelli… - IEEE Solid-State …, 2022 - ieeexplore.ieee.org
This letter presents a fully analog interface circuit for resistive sensor arrays, fabricated in a
130-nm BiCMOS technology, which, exploiting the same devices for closed-loop sensor …