A 0.6-V to 1-V Audio Δ𝚺 Modulator in 65 nm CMOS with 90.2 dB SNDR at 0.6-V

Table 1

Performance summary and comparison.

	[3]	[4]	[9]	This work
Process (nm)	65LP	45LP	180	65GP
Supply (V)	1.2	1.1	0.7	1.0	0.8	0.6
𝑓𝑠 (MHz)	12	12	5	3.072
OSR	300	300	100	64
SNDR (dB)	74	76.5	95	95	91.2	90.2
DR (dB)	95	91.7	100	96.4	92.4	91.9
Power (𝜇W)	2200	1200	870	371	224	133
FOM (pJ/step)	11.2	4.57	0.37	0.17	0.16	0.10