A Design of a New Column-Parallel Analog-to-Digital Converter Flash for Monolithic Active Pixel Sensor

Table 4

Comparison to state-of-the-art works.

Parameters	[20]	[21]	[18]	[22]	This work
Architecture
Technology (µm)	0.35	0.35	0.35	0.35	0.18
Supply voltage (V)	3.3 (Analog)	3.3	3	3	1.8
Temperature (C°)	27	27	27	27	27
Number of output bits	4	4	4/3/2	4/3/2	4
Dynamic conversion (mV)	16	125/128	16	16	125
LSB (mV)	1	7.81/7	1	1	7.81
Sampling frequency	50 MS/s	1 MS/s	6.25 MS/s	6.25 MS/s	100 MS/s	5 GS/s
Dimension (μm^2)	80 × 900	25 × 900	35 × 545	35 × 545	35 × 336.76
Power consumption
(µW)	—	744/—	714 (active)	714 (active)	751.42	1800
			486 (Inactive)	486 (Inactive)
(µW)	2600	—	—	—	1306	2348
INL (LSB)
	−0.41	—/−0.4	−0.15	−0.20	−0.0787	0.0000
	0.69	—/1.0	0.05	0.29	0.0811	0.1480
DNL (LSB)
	−0.4	—/−0.8	−0.09	−0.28	−0.0787	0.1308
	0.56	—/0.3	0.14	0.49	0.0812	0.1480
Gain error (LSB)	—	—	—	—	0.0411	0.1308
Offset error (LSB)	—	—	—	—	0.0387	0.1480

results. results.
total power consumption of the ADC, without the power consumption of the S/H.
total power consumption of the ADC, including the power consumption of the S/H.