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PDF KC74129C Data sheet ( Hoja de datos )
| Número de pieza | KC74129C | |
| Descripción | 1/4 INCH CCD IMAGE SENSOR FOR PAL CAMERA | |
| Fabricantes | Samsung semiconductor | |
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KC74129C
1/4 INCH CCD IMAGE SENSOR FOR PAL CAMERA
INTRODUCTION
The KC74129C is an interline transfer CCD area image
sensor developed for PAL 1/4 inch optical format video
cameras, surveillance cameras, object detectors and image
pattern recognizers. High sensitivity is achieved through the
adoption of Ye, Cy, Mg and G complementary color mosaic
filters, on-chip micro lenses and HAD (Hole Accumulated
Diode) photosensors. This chip features a field integration
read out system and an electronic shutter with variable charge
storage time.
14Pin Cer DIP
FEATURES
ORDERING INFORMATION
• High Sensitivity
• Optical Size 1/4 inch Format
• No Adjust Substrate Bias
• Ye, Cy, Mg, G On-chip Complementary Color Mosaic Filter
• Variable Speed Electronic Shutter
(1/60, 1/100 ~ 1/10,000sec)
• Low Dark Current
• Horizontal Register 3.3 to 5.0V Drive
• 14pin Ceramic DIP Package
• Field Integration Read Out System
• No DC Bias on Reset Gate
Device
KC74129C
Package
Operating
14Pin Cer DIP -10 °C ~ +60 °C
STRUCTURE
• Number of Total Pixels:
• Number of Effective Pixels:
• Chip Size:
• Unit Pixel Size:
• Optical Blacks & Dummies:
16 7
537(H) × 597(V)
500(H) × 582(V)
4.80mm(H) × 4.04mm(V)
7.30µm(H) × 4.70µm(V)
Refer to Figure Below
Vertical 1 Line (Even Field Only)
500 30
Effective
Imaging
Area
Dummy Pixels
Optical Black Pixels
Effective Pixels
OUTPUT
H-CCD
1
1 page  
KC74129C
1/4 INCH CCD IMAGE SENSOR FOR PAL CAMERA
DRIVE CLOCK WAVEFORM CONDITIONS
Read Out Clock Waveform
100%
90%
10%
0%
VVH 1, VVH3
tr twh
tf
0V
Vertical Transfer Clock Waveform
¥Õ V 1
V VH1
V VH
V VH H
V VH H
VVHL
VVHL
V VL 1
V VLH
V VL
V VLL
¥Õ V 2
V VHH
V VHH
V VH2
V VHL
V VH
V VHL
¥Õ V 3
V VHH
V VHL
V VH3
V VHL
V VHH
V VH
V VL3
V VL
V VLL
V VLH
¥Õ V 4 V VH
V VHH
V VHH
V VHL
V VH4 V VHL
V VL2 V VLH
V VL
V VLL
V VH = (V VH 1 + V VH 2)/ 2
V VL = (V VL 3 + V VL 4)/ 2
V ¥Õ V = V V H n - V V L n (n =1~4)
V VLH
V VL L
V VL4
VVH H = VVH + 0.3V
VVH L = VVH - 0.3V
VVL H = VVL + 0.3V
VVL L = VVL - 0.3V
V VL
5
5 Page 
KC74129C
1/4 INCH CCD IMAGE SENSOR FOR PAL CAMERA
R–Y = [(Mg + Ye) – (G + Cy)] = (2R – G)
Next, the signals through H-CCD at line A2 are [Mg+Cy], [G+Ye], [Mg+Cy], [G+Ye]. Simmilary, Y and C signals are
composed at line A2 as follows
Y = 12---[(G + Ye) + (Mg + Cy)] = 12---(2B + 3G + 2R)
–(B – Y) = [(G + Ye) – (Mg + Cy)] = –(2B – G)
Accordingly, Y signal is balanced in relation to scanning lines, and C signal takes the form of R-Y and -(B-Y) on
alternate lines.
It is same for B field.
TEST METHODS
1. Measure the light intensities (L) when the averaged illuminance output value (Y) is the standard illuminance
output value, 150mV (YA) and when half of 150mV (1/2 YA).
S = -L--Y--Y--A-A----–-–----12--L-----Y-12-------YA---A--
2. Adjust the light intensity to 15 times of the value with which Y is YA, then measure the averaged illuminance
output value (Y = YSAT).
3. Adjust the light intensity to 500 times of the value with which Y is YA, then remove the read-out clock and drain
the signal in photosensors by the electronic shutter operation in all the respective horizontal blanking times with
the other clocks unchanged. Measure the maximum illuminance output value (YSM).
SM = Y---Y--S--A-M--- × 5----10----0-- × 1---1--0-- × 100(%)
4. Adjust the light intensity to 1,000 times of the value with which Y is YA, then inspect whether there is blooming
phenomenon or not.
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet KC74129C.PDF ] | |
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