A Small-Area, Low-Power Delta-Sigma DAC Applied to a Power-Specific Chip

Table 2

DSDAC performance summary.

	This work	[2]	[3]
Types of results	Postlayout simulation	Experiment	Experiment
Process	55 nm	0.13 μm	0.35 μm
Supply (V)	1.2/2.5	1.2/3.3	0.8
Power (mW)	1.5	14.5	2.6
Output swing	0.48 Vpp	0.9 Vrms	0.56 Vpp
SNR (dB)	66.7	88	69
DR (dB)	85.7	97	88
(dB)	40.5	39	—
Area (mm^2)	0.05/0.03	0.44	3.52

Digital part; analog part; including a headphone driver.