Successive Approximation Register Analog-to-Digital Converter (SAR ADC) for Biomedical Applications

Table 4

Summary of the recently published SAR ADC performance parameters in 180 nm process.

Reference	Supply (v)	Power (w)	Area (mm^2)	Fs (S/s)	Resolution (dB)	ENOB (dB)	SNDR (dB)	SFDR (dB)	DNL (LSB)	INL (LSB)	(fJ/conv.-step)
[24]	0.8	647 n	0.23	20 K	12	10.48	64	85	0.49/−0.41	0.47/−0.42	22
[87]	3.3	477.2 μ	—	150 K	14	11.3	70.28	82.91	1.4/−0.25	1.1/−2.1	—
[98]	1	12.2 μ	0.05	—	5	—	—	—	—	—	—
[2]	1.5	2.7 μ	0.052	50 K	12	—	66.51	77	0.83/−0.26	0.88/−0.61	30.5
[6]	1.8	1.9 μ	0.086	10 K	13	12.6	—	—	—	—	30.6
[63]	1.8	0.28 μ	0.17	2 K	11	10.14	62.8	74.4	0.1/−0.6	0.35/−0.84	120
[39]	0.6	42 n	—	20 K	10	9.4	58.2	73.7	0.572/−0.569	0.533/−0.422	3.11
[19]	0.5	13.99 μ	—	1 M	10	7.69	61.96	68.54	0.9/−0.82	1.06/−1.31	—
[33]	1.5	90.15 μ	—	1 M	14	11	67.9	—	0.4/−0.2	1/−1	—
[8]	1.2	310 n	—	13.56 M	12	11.8	—	76.4	0.5/−0.68	0.62/−0.56	—
[29]	1.2	76.88 μ	0.19	20 M	5	4.74	30.3	40	max −1	Less than 1.1	144
[67]	1.8	0.26 μ	—	25 K	8	7.1	—	50.1	0.45–0.7	−0.9	7.58
[80]	0.6	43.7 n	0.1035	100 K	10	9.55	59.3	78.2	0.28/−0.24	0.67/−0.41	0.58
[47]	1A/0.5D	4.1 n	0.0249	1 K	10	9.73	60.3	69.8	0.31/−0.3	0.32/−0.2	4.1
[53]	1.8	490 μ	—	1 M	—	10.76	66.54	78.42	0.72/−0.55	0.92/−0.78	57.2
[16]	1.8/0.9	6.98 μ	—	200 K	9	8.3	51.9	56.2	—	—	111
[11]	0.75	250 n	0.12	10 K	11	9.76	60.5	72	0.6/−0.37	0.94/−0.89	28.8
[66]	1.2	90 μ	0.16	3.125 M	10	7.41	46.37		5.64/−1	4.76/−4.24	169000
[5]	1	306 n	0.05	40 K	10	9.02	56.1	67	0.56/−0.69	1.14/−0.7	14.3
[10]	1.8	78.8 μ	—	50 M	10	—	—	—	—	—	—
[12]	0.5	68 n	0.144	10 K	10	9.3	57.8	61.6	0.41/−0.45	0.57/−0.48	10.8
[65]	1.8A/0.9D	9.7 μ	0.35	50 K	12	—	68.6	—	—	—	88.4
[52]	1.8	5.18 m	—	100 M	13	12.15	76.1	—	0.37/−0.44	0.56/−0.45	9.65
[83]	1.8	3.8 m	0.23	10 M	10	8.5	53.1	60.9	2.8/−1	3.7/−3.6	—