J.-H. Boo, K.I. Cho, H.-J. Kim, J.-G. Lim, Y.-S. Kwak, and S.-H. Lee, ``A single-trim
switched capacitor CMOS bandgap reference with a 3$\sigma$ inaccuracy of $+0.02$%,
$-0.12$% for battery-monitoring applications,'' IEEE Journal of Solid-State Circuits,
vol. 56, no. 4, pp. 1197-1206, April 2021.
