58. Resolution and quantization unit of A/D, D/A converter(LSB)
It shows the relation of quantization unit (LSB) for the resolution of A/D, D/A converter and full-scale voltage.
Resolution ( N ) | Stage ( 2N ) | Voltage value for each Stage (In case of 10VFS) |
%FS | dBFS |
---|---|---|---|---|
2 bits |
4 |
2.5V |
25 |
-12 |
4 bits |
16 |
0.625V(625mV) |
6.25 |
-24 |
6 bits |
64 |
0.156V(156mV) |
1.56 |
-36 |
8 bits |
256 |
0.0391V(39.1mV) |
0.39 |
-48 |
10 bits |
1,024 |
0.00977V(9.77mV) |
0.098 |
-60 |
12 bits |
4,096 |
0.00244V(2.44mV) |
0.024 |
-72 |
14 bits |
16,384 |
0.000610V(610 μ V) |
0.0061 |
-84 |
16 bits |
65,536 |
0.000153V(153 μ V) |
0.0015 |
-96 |
18 bits |
262,144 |
0.000038V(38 μ V) |
0.0004 |
-108 |
20 bits |
1,048,576 |
0.00000954V(9.54μ V) |
0.0001 |
-120 |
22 bits |
4,194,304 |
0.00000238V(2.38 μ V) |
0.000024 |
-132 |
24 bits |
16,777,216 |
0.000000596V(596nV) |
0.000006 |
-144 |