PI627MC-A4 / PI628MC-A4 / PI629MC-A4 Engineering Data Sheet

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Module: PI629MC-A4

Light source: Low Power Yellow-Green LED

Parameter

Symbol

Value

Units

Notes

Tint

450

µsec

@ 3.0MHz

clock frequency

Fclk

3.0

MHz

Video Output

0.5

Volt

Up

< +/-30

%

Adjacent photo-response non-

Upn

<25

%

Ud

< 100

mV

Dark Level (DL)

< 350

mV

MTF

> 40

%

Table 9. PI629MC-A4 / Low Power Yellow-Green LED Electro-Optical Characteristics

Notes:

1. Tint is the line-scanning rate or integration time and is determined by the interval between two start

pulses, SP. The integration time listed for each module is the minimum integration time required to

give 0.5 volts output at each modules maximum clock frequency.

2. Fclk is the main clock frequency, also equals the pixel rate.

3. Video output level is dependent on the Integration time and LED light power.

4. Up = [Vp(max) - Vpavg] / Vpavg x 100% or [Vpavg - Vp(min)] / Vpavg} x 100%, whichever is

greater. Where Vp(max) = maximum pixel level, Vp(min) = minimum pixel level, and Vpavg =

average of all pixels.

5. Adjacent Photo-Response Non-Uniformity (Upn).

Upn = Max ((Vpn – Vpn+1) / Min (Vpn, Vpn+1)) x 100%, where Vpn is the pixel output voltage of

pixel n in the light.

6. Ud = Vdmax - Vdmin, where Vdmin is the minimum output voltage with LED off and Vdmax is

maximum output voltage with LED on.

7. See paragraph under Reset Level and Video Sampling Time on page 10 for explanation.

8. See the paragraph under Depth of Focus on page 11. A graph of the typical MTF vs Depth of Focus

is shown.

Page 8 of 13, Revised 9-08-05