Switching method |
Switching energy
(CV2) |
Energy saving (%) |
Area
reduction (%) |
Extra reference voltage |
VCM variation |
Conventional |
1363.3 |
0 |
0 |
No |
0 |
Monotonic[2] |
255.5 |
81.2 |
50 |
No |
512LSB |
Bi-directional [8] |
234.2 |
82.9 |
75 |
Yes |
64 LSB |
Vcm-based[6] |
170.2 |
87.54 |
50 |
Yes |
0 |
Split-cap [9] |
425.7 |
68.8 |
0 |
No |
0 |
CAS [10] |
344.1 |
74.8 |
50 |
No |
1LSB |
Tri-Level [11] |
42.42 |
96.9 |
75 |
No |
64LSB |
Work in [12] |
28.8 |
97.9 |
75 |
Yes |
0 |
Proposed scheme |
85.7 |
93.7 |
75 |
No |
1LSB |