UPD3747D Renesas Electronics America, UPD3747D Datasheet - Page 13
UPD3747D
Manufacturer Part Number
UPD3747D
Description
Manufacturer
Renesas Electronics America
Datasheet
1.UPD3747D.pdf
(22 pages)
Specifications of UPD3747D
Lead Free Status / RoHS Status
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DEFINITIONS OF CHARACTERISTIC ITEMS
1. Saturation voltage : V
2. Saturation exposure : SE
3. Photo response non-uniformity : PRNU
4. Average dark signal : ADS
Output signal voltage at which the response linearity is lost.
Product of intensity of illumination (lx) and storage time (s) when saturation of output voltage occurs.
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 (%) =
Average output signal voltage of all the valid pixels at light shielding. This is calculated by the following formula.
ADS (mV) =
Δx
7400
j = 1
x
7400
Σ
d
× 100
j
d
Δx: maximum of ⎪x
sat
j
x =
x
: Dark signal of valid pixel number j
j
: Output voltage of valid pixel number j
Register dark
7400
j = 1
7400
Σ
V
DC level
x
OUT
j
j
− x ⎪
Data Sheet S14892EJ4V0DS
Δx
x
μ
PD3747
11