UPD3788D データシートの表示（PDF） - NEC => Renesas Technology

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UPD3788D

7300 PIXELS × 3 COLOR CCD LINEAR IMAGE SENSOR

NEC => Renesas Technology 

µPD3788

DEFINITIONS OF CHARACTERISTIC ITEMS

1. Saturation voltage: Vsat

Output signal voltage at which the response linearity is lost.

2. Saturation exposure: SE

Product of intensity of illumination (IX) 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 × 100

x

∆x : maximum of xj − x 

7300

Σ xj

j=1

x=

7300

xj : Output voltage of valid pixel number j

VOUT

Register Dark

x

DC level

∆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.

7300

Σ dj

j=1

ADS (mV) =

7300

dj : Dark signal of valid pixel number j

Data Sheet S14664EJ1V0DS00

15

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