DAC implemented in 45nm
A 110dB SNR and 0.5 mW current-steering audio DAC implemented in 45nm CMOS
FREE-DOWNLOAD [PDF] from toronto.eduR Hezar, L Risbo, H Kiper, M Fares… – Solid-State Circuits …, 2010
The popular method
is to increase the number of unit weighted elements in an oversampled DAC.