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ICX089AK Datasheet(PDF) 10 Page - Sony Corporation

Part No. ICX089AK
Description  Diagonal 4.5mm (Type 1/4) CCD Image Sensor for PAL Color Video Cameras
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Manufacturer  SONY [Sony Corporation]
Direct Link  http://www.sony.co.jp
Logo SONY - Sony Corporation

ICX089AK Datasheet(HTML) 10 Page - Sony Corporation

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ICX089AK
Definition of standard imaging conditions
1)
Standard imaging condition I:
Use a pattern box (luminance 706cd/m2, color temperature of 3200K halogen source) as a subject.
(Pattern for evaluation is not applicable.) Use a testing standard lens with CM500S (t = 1.0mm) as an IR
cut filter and image at F5.6. The luminous intensity to the sensor receiving surface at this point is defined
as the standard sensitivity testing luminous intensity.
2)
Standard imaging condition II:
Image a light source (color temperature of 3200K) with a uniformity of brightness within 2% at all angles.
Use a testing standard lens with CM500S (t = 1.0mm) as an IR cut filter. The luminous intensity is
adjusted to the value indicated in each testing item by the lens diaphragm.
3)
Standard imaging condition III:
Image a light source (color temperature of 3200K) with a uniformity of brightness within 2% at all angles.
Use a testing standard lens (exit pupil distance –33mm) with CM500S (t = 1.0mm) as an IR cut filter. The
luminous intensity is adjusted to the value indicated in each testing item by the lens diaphragm.
1.
Sensitivity
Set to standard imaging condition I. After selecting the electronic shutter mode with a shutter speed of
1/250s, measure the Y signal (Ys) at the center of the screen and substitute the value into the following
formula.
S = Ys
×
[mV]
2.
Sensitivity ratio
Set to standard imaging condition II. Adjust the luminous intensity so that the average value of the Y
signal output is 200mV, and then measure the Mg signal output (SMg [mV]) and G signal output (SG
[mV]), and Ye signal output (SYe [mV]) and Cy signal output (SCy [mV]) at the center of the screen with
frame readout method. Substitute the values into the following formula.
RMgG = SMg/SG
RYeCy = SYe/SCy
3.
Saturation signal
Set to standard imaging condition II. After adjusting the luminous intensity to 10 times the intensity with
average value of the Y signal output, 200mV, measure the minimum value of the Y signal.
4.
Smear
Set to standard imaging condition II. With the lens diaphragm at F5.6 to F8, adjust the luminous intensity
to 500 times the intensity with average value of the Y signal output, 200mV. When the readout clock is
stopped and the charge drain is executed by the electronic shutter at the respective H blankings,
measure the maximum value YSm [mV] of the Y signal output and substitute the value into the following
formula.
5.
Video signal shading
Set to standard imaging condition III. With the lens diaphragm at F5.6 to F8, adjust the luminous intensity
so that the average value of the Y signal output is 200mV. Then measure the maximum (Ymax [mV]) and
minimum (Ymin [mV]) values of the Y signal and substitute the values into the following formula.
SHy = (Ymax – Ymin)/200
× 100 [%]
6.
Uniformity between video signal channels
Set to standard imaging condition II. Adjust the luminous intensity so that the average value of the Y
signal output is 200mV, and then measure the maximum (Crmax, Cbmax [mV]) and minimum (Crmin,
Cbmin [mV]) values of the R – Y and B – Y channels of the chroma signal and substitute the values into
the following formula.
∆Sr = | (Crmax – Crmin)/200 | × 100 [%]
∆Sb = | (Cbmax – Cbmin)/200 | × 100 [%]
50
250
Sm =
× 100 [%] (1/10V method conversion value)
×
×
200
YSm
500
1
10
1


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