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Número de pieza | Ai339 | |
Descripción | 1/3 inch CCD Image Sensor | |
Fabricantes | A1 PROs | |
Logotipo | ||
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1. Overview
Ver0.1
Ai339
1/3 inch CCD Image Sensor for PAL Camera
1.1 General Description
The Ai339 is a 440K pixels CCD area sensor
for PAL 1/3 inch video cameras. Buried
photodiodes and micro lenses are adopted for
low noise, low smear and high sensitivity. A
chrominance signal is achieved by the adoption
of Yellow, Magenta, Cyan and Green
complementary color mosaic filters. This
product also has the features of strong anti-
blooming and electronic shutter with variable
charge-storage time.
16 Pin Plastic - DIP
( Top View )
Vφ4 1
Vφ3 2
Vφ2 3
Vφ1 4
GND 5
VNGCG 6
VNSCS 7
VOUT 8
1.2 Features
• Micro lens arrays for high sensitivity
• Ye, Mg, Cy and G complementary color mosaic filters
• Excellent blooming suppression
• TTL level(3.3V) operation on HCCD & RG electrodes
• 16 pin plastic DIP type package
• Variable electronic shutter of 1/50 to 1/100,000 sec
• High sensitivity and low smear
• Low image lag
16 Hφ2
15 Hφ1
14 NC
13 VRRGG
12 VPTP
11 VSUB
10 GND
9 VDD
1.3 Device Constitution
• Architecture : IT - CCD
• Optical size : 1/3 inch format
• Number of effective pixels :
752 (H) x 582 (V) = 437,664 pixels
• Number of total pixels :
795 (H) x 596 (V) = 473,820 pixels
• Pixel size : 6.50 (H) x 6.25 (V) ㎛2
• Optical black area
Horizontal direction : Front 3 pixels Rear 40 pixels
Vertical direction : Front 12 pixels Rear 2 pixels
• Number of dummy bits
Horizontal direction : Front 22 pixels Rear - pixels
Vertical direction : Front 1 pixels Rear - pixels
Optical black position ( Top View )
Unit : Pixels
Pin1
2 OB
582
3
Pin9
752
12 OB
40
4
1 page Ai339
3. Imaging Characteristics
3.1 Imaging Characteristics Testing Conditions
(1) The definition of standard imaging conditions.
Standard imaging conditions consist of standard optical system conditions, standard drive voltage
conditions, and standard drive timing conditions.
(2) Standard optical system conditions.
The conditions of the measurement optical system show below are made into standard optical conditions.
1 ) Light source color temperature
2 ) Camera lens iris diaphragm
3 ) IR cut filter
4 ) Illuminance of the CCD surface
5 ) Color filter ( When required )
: 4,800 K
: F11 considerable
: CM500S, t = 1.0 mm
: 1.0 lx ( After IR cut filter passage ).
: Blue filter : B440 , t = 2.5 mm
: Red filter : R64 , t = 2.5 mm
: Green filter : BW550 , t = 4.45 mm
(3) Standard drive voltage conditions.
the conditions driven with the typical value in operating voltage are made into standard drive voltage
conditions.
(4) Standard drive timing conditions.
It is measurement in the drive timing of standard timing chart.
A1 PROs Co., Ltd.
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5
5 Page Ai339
3.3.16. Dark signal
1) Set the temperature to 60℃ and 0.0 lx illumination condition, then measure the signal output.
2) Detect Dark signal with the following formula.
3) See figure 5 below for Test area
3.3.17 Lag
1) Set the temperature to 35℃, strobe light and AFE gain 6dB condition.
2) Adjust the Y signal output value generated by strobe light to 200mV.
3) After setting the strobe light so that it strobes with the following timing, measure the residual signal (Ylag),
and substitute the value into the following formula.
Lag [%] = (Ylag/200) X 100(%)
A1 PROs Co., Ltd.
Figure 6. Lag test
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11 Page |
Páginas | Total 25 Páginas | |
PDF Descargar | [ Datasheet Ai339.PDF ] |
Número de pieza | Descripción | Fabricantes |
AI338 | 1/3 inch CCD Image Sensor | A1 PROs |
Ai339 | 1/3 inch CCD Image Sensor | A1 PROs |
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