PI325MC-A4 Datasheet, PDF (4/6 Pages) AMI SEMICONDUCTOR – 300DPI CIS Module

Table 4. Electro-optical characteristics at 25° C.
Parameter
Number of photo detectors
Pixel to pixel spacing
Line scanning rate
Symbol
Tint ⁽¹⁾
Clock frequency ⁽²⁾
Bright output voltage
Bright output
nonuniformity ⁽⁴⁾
Adjacent pixel
nonuniformity ⁽⁵⁾
Dark nonuniformity ⁽⁶⁾
Dark output voltage
Modulation transfer
function ⁽⁷⁾
f
Video Output
Up
Uadj
Ud
Vd
MTF
Parameter
2592
84.7
522
Units
elements
µm
µsec
5.0
1.0
<+/-30
<25
<100
<150
>50
MHz
Volts
%
%
mV
mV
%
Note
@ 5.0 MHz
clock
frequency
Definition:
(1) Tint: Line scanning rate or integration time. Tint is determined by the interval of two
SP, start pulses. The minimum integration time of 500us is available at 5.2 MHz pixel
rate.
(2) f: main clock frequency
(3) Vpavg = ∑ Vp(n)/2592
(4) Up = [(Vpmax - Vp) / Vp] x 100% or [(Vp - Vpmin) / Vp] x 100%
(5) Upadj = MAX[ | (Vp(n) - Vp(n+l) | / Vp(n)] x 100%
Upadj is the nonuniformity percentage pixel to pixel
(6) Ud = Vdmax - Vdmin
Vdmin is the minimum output on a black document(O.D.=0.8)
Vdmax: maximum output voltage of black document (O.D.= 0.8)
(7) MTF = [(Vmax - Vmin) / (Vmax + Vmin)] x 100 [%]
Vmax: maximum output voltage at 75 lp/in
Vmin: minimum output voltage at 75 lp/in
(8) O.D. = Optical Density
(9) lp / in: line pairs per inch
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