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PDF ICX258AK Data sheet ( Hoja de datos )
| Número de pieza | ICX258AK | |
| Descripción | Diagonal 6mm (Type 1/3) CCD Image Sensor | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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ICX258AKwww.DataSheet4U.com
Diagonal 6mm (Type 1/3) CCD Image Sensor for NTSC Color Video Cameras
Description
The ICX258AK is an interline CCD solid-state
image sensor suitable for NTSC color video cameras
with a diagonal 6mm (Type 1/3) system. Compared
with the current product ICX058CK, basic
characteristics such as sensitivity, smear, dynamic
range and S/N are improved drastically through the
adoption of EXview HAD CCDTM technology.
This chip features a field period readout system and
an electronic shutter with variable charge-storage
time.
EXview HAD CCDTM has different spectral characteristics
from the current CCD.
16 pin DIP (Plastic)
Features
• High sensitivity (+7dB compared with the ICX058CK)
• Low smear (–20dB compared with the ICX058CK)
• High D range (+4dB compared with the ICX058CK)
• High S/N
• High resolution and low dark current
• Excellent antiblooming characteristics
• Ye, Cy, Mg, and G complementary color mosaic filters on chip
• Continuous variable-speed shutter
• No voltage adjustment
(Reset gate and substrate bias are not adjusted.)
• Reset gate:
5V drive
• Horizontal register: 5V drive
Pin 1
V
3
Pin 9 H 40
Optical black position
(Top View)
2
12
Device Structure
• Interline CCD image sensor
• Image size:
Diagonal 6mm (Type 1/3)
• Number of effective pixels: 768 (H) × 494 (V) approx. 380K pixels
• Total number of pixels: 811 (H) × 508 (V) approx. 410K pixels
• Chip size:
6.00mm (H) × 4.96mm (V)
• Unit cell size:
6.35µm (H) × 7.40µm (V)
• Optical black:
Horizontal (H) direction : Front 3 pixels, rear 40 pixels
Vertical (V) direction : Front 12 pixels, rear 2 pixels
• Number of dummy bits: Horizontal 22
Vertical 1 (even fields only)
• Substrate material:
Silicon
TM
∗ EXview HAD CCD is a trademark of Sony Corporation.
EXview HAD CCD is a CCD that drastically improves light efficiency by including near infrared light region as a basic structure of
HAD (Hole-Accumulation-Diode) sensor.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E99523A99
1 page  
Drive Clock Waveform Conditions
(1) Readout clock waveform
100%
90%
II II
10%
0%
tr
(2) Vertical transfer clock waveform
Vφ1
VVT
twh
tf
Vφ3
φM
φM
2
ICX258AK
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0V
VVH1
VVHH
VVH
VVHH
VVHL
VVHL
VVHL
VVHH
VVHH
VVH3
VVHL
VVH
VVL1
VVLH
VVLL
VVL
Vφ2
VVHH
VVH2 VVHL
VVHH
VVH
VVHL
VVL3
VVL
Vφ4
VVH
VVHH
VVLH
VVLL
VVHH
VVHL
VVHL
VVH4
VVL2VVLH
VVLL
VVL
VVH = (VVH1 + VVH2)/2
VVL = (VVL3 + VVL4)/2
VφV = VVHn – VVLn (n = 1 to 4)
VVLH
VVLL
VVL4
–5–
VVL
5 Page 
ICX258AK
7. Dark signal
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Measure the average value of the Y signal output (Ydt [mV]) with the device ambient temperature 60°C and
the device in the light-obstructed state, using the horizontal idle transfer level as a reference.
8. Dark signal shading
After measuring 7, measure the maximum (Ydmax [mV]) and minimum (Ydmin [mV]) values of the Y signal
output and substitute the values into the following formula.
∆Ydt = Ydmax – Ydmin [mV]
9. Flicker
1) Fy
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 difference in the signal level between fields (∆Yf [mV]). Then
substitute the value into the following formula.
Fy = (∆Yf/200) × 100 [%]
2) Fcr, Fcb
Set to standard imaging condition II. Adjust the luminous intensity so that the average value of the Y signal
output is 200mV, insert an R or B filter, and then measure both the difference in the signal level between
fields of the chroma signal (∆Cr, ∆Cb) as well as the average value of the chroma signal output (CAr, CAb).
Substitute the values into the following formula.
Fci = (∆Ci/CAi) × 100 [%] (i = r, b)
10. Line crawls
Set to standard imaging condition II. Adjust the luminous intensity so that the average value of the Y signal
output is 200mV, and then insert a white subject and R, G, and B filters and measure the difference
between Y signal lines for the same field (∆Ylw, ∆Ylr, ∆Ylg, ∆Ylb [mV]). Substitute the values into the
following formula.
Lci = (∆Yli/200) × 100 [%] (i = w, r, g, b)
11. Lag
Adjust the Y signal output value generated by strobe light to 200mV. After setting the strobe light so that it
strobes with the following timing, measure the residual signal (Ylag). Substitute the value into the following
formula.
Lag = (Ylag/200) × 100 [%]
FLD
V1
Strobe light
timing
Output
Light
Y signal output 200mV Ylag (lag)
– 11 –
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet ICX258AK.PDF ] | |
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