參數(shù)資料
型號: UPD8891CY
廠商: NEC Corp.
英文描述: (5340 x 5340) PIXELS x 3 + 2670 PIXELS x 3 COLOR CCD LINEAR IMAGE SENSOR
中文描述: (5340 x 5340)像素× 3 2670像素× 3彩色CCD線性圖像傳感器
文件頁數(shù): 23/32頁
文件大?。?/td> 297K
代理商: UPD8891CY
Data Sheet S16039EJ2V0DS
23
μ
PD8891
DEFINITIONS OF CHARACTERISTIC ITEMS
1. Saturation voltage :
V
sat
Output signal voltage at which the response linearity is lost.
2. Saturation exposure :
SE
Product of intensity of illumination (lx) and storage time (s) when saturation of output voltage occurs.
3. Photo response non-uniformity :
PRNU
The output signal non-uniformity of all the valid pixels when the photosensitive surface is applied with the light
of uniform illumination. This is calculated by the following formula.
PRNU (%) =
x =
x
j
: Output voltage of valid pixel number j
x
x : maximum of
x
j
x
j = 1
x
Valid pixels
Valid pixels
x
j
×
100
x
Register Dark
DC level
V
OUT
x
4. Average dark signal :
ADS
Average output signal voltage of all the valid pixels at light shielding. This is calculated by the following
formula.
ADS (mV) =
d
j
: Dark signal of valid pixel number j
Valid pixels
j = 1
Valid pixels
d
j
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