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PDF AI325CA Data sheet ( Hoja de datos )
| Número de pieza | AI325CA | |
| Descripción | 1/3 inch CCD Image Sensor | |
| Fabricantes | A1 PROs | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AI325CA (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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A1 PROs
Ver2.0
Ai325CA
1/3 inch CCD Image Sensor for NTSC Camera
GENERAL DESCRIPTION
The Ai325CA is a 250K pixels CCD area
sensor for NTSC 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 )
V4 1
V3 2
V2 3
V1 4
GND 5
VNGCG 6
VNSCS 7
VOUT 8
FEATURES
• Micro lens arrays for high sensitivity
• Ye, Mg, Cy and G complementary color mosaic filters
• Excellent blooming suppression
• TTL level(5V) operation on HCCD & RG electrodes
• 16 pin plastic DIP type package
• Variable electronic shutter of 1/60 to 1/100,000 sec
• High sensitivity and low smear
• Low image lag
16 H 2
15 H 1
14 NC
13 VRRGG
12 VP
11 VSUB
10 GND
9 VDD
STRUCTURE
• Architecture : IT - CCD
• Optical size : 1/3 inch format
• Chip size : 6.0(H) x 5.2(V)
• Number of effective pixels :
510 (H) x 492 (V) about 250K pixels
• Number of total pixels :
537 (H) x 505 (V) about 270K pixels
• Pixel size : 9.65 (H) x 7.5 (V) 2
• Optical black area
Horizontal direction : Front 2 pixels Rear 25 pixels
Vertical direction : Front 12 pixels Rear 1 pixels
• Number of dummy bits
Horizontal : 16
Vertical : 1 ( Even field only )
Optical black position ( Top View )
Unit : Pixels
Pin1
1
492
2
Pin9
510
12
25
1
1 page  
MESUREMENT METHOD
Ai325CA
1. Sensitivity
Set to SILC ( Standard Illumination Conditions* )
Measure the average value of signal output ( VOUT )
Calculate the efficiency of VOUT to light intensity
2. VSAT
Adjust light intensity to 200 times of SILC
Measure the average value of signal output
3. Smear
Adjust light intensity to 200 times of SILC & readout clock
Measure the signal output at horizontal optical black ( VHOPB )
Measure the signal output at vertical blanking dummy ( VVBD )
Smear = { (VVBD - VHOPB) / VSAT } 100 ( % )
4. Blooming
Adjust light intensity to 200 times of SILC & readout clock
Measure the signal output at horizontal optical black (VHOPB )
Measure the signal output at blooming dummy area ( VBD )
Blooming = { ( VBD - VHOPB ) / VSAT } 100 ( % )
5. OSNU
Set to SILC
Measure the average value of signal output ( VOUT )
Measure the maximum value and the minimum value of signal output
OSNU = ( VMAX - VMIN ) / VOUT 100 (%)
6. Sr, Sb
Set to SILC
Measure the average value of signal output ( VOUT )
Measure the maximum value and minimum value of chroma output
Sr = ( CrMAX - CrMIN ) / VOUT
100 (%)
Sb= ( CbMAX - CbMIN ) / VOUT
100 (%)
7. VDARK
Measure the average value of signal output at dark condition
8. DSNU
Measure the voltage difference between minimum and maximum of dark signal
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AI325CA.PDF ] | |
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