µ PD3777
10. Random noise : σ
Random noise σ is defined as the standard deviation of a valid pixel output signal with 100 times (= 100 lines)
data sampling at dark (light shielding).
σ (mV) =
100
Σ (Vi – V)2
i=1
100
Σ 1 100
, V=
Vi
100 i = 1
Vi : A valid pixel output signal among all of the valid pixels for each color
VOUT
V1
V2
line 1
line 2
V100
line 100
This is measured by the DC level sampling of only the signal level, not by CDS (Correlated Double Sampling).
12
Data Sheet S14583EJ1V0DS00