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Table 2 Performance comparison of VCO-based ADCs

From: Voltage-controlled oscillator based analog-to-digital converter in 130-nm CMOS for biomedical applications

 

Process (nm)

Supply voltage (V)

Sampling rate Fs (MHz)

BW (MHz)

SNDR (dB)

Power (mW)

Area (mm2)

FoMW (fJ/step)

[18]

130

1.8

20

0.02

69.6

0.28

0.02

148

[20]

65

1.2

205

2.5

64.2

1

0.06

150.9

[21]

90

1

1000

5

74.1

[15]

180

1.8

400

10

72.6

24

360

[23]

130

1.2

2.4

0.02

73.8

0.24

0.04

1499

This work

130

1.2

100

1

62

0.257

0.007

125