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PDF AI325 Data sheet ( Hoja de datos )
| Número de pieza | AI325 | |
| Descripción | 1/3 inch CCD Image Sensor | |
| Fabricantes | A1 PROs | |
| Logotipo |  |
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A1 PROs
A1 PROs
Ver1.0
Ai325
1/3 inch CCD Image Sensor for EIA B/W Camera
Description
The Ai325 is a 250K pixels CCD area sensor
for EIA 1/3inch video cameras. Buried
photodiode and micro lens are adopted for low
noise, low smear and high sensitivity. This chip
also features a strong anti-blooming and
electronic shutter with variable charge-storage
time.
Feature
-. Micro Lens for high sensitivity
-. Image-lag is negligible and excellent blooming
suppression is performed.
-. TTL level(5V) operation on HCCD & RG electrodes.
-. 16 pin plastic-DIP.
-. Variable electronic shutter of 1/60 to 1/100,000 sec.
-. High sensitivity and low smear.
Pin Configuration
V¥ 4õ 1
V¥ 3õ 2
V¥ 2õ 3
V¥ 1õ 4
GND 5
VGG 6
VSS 7
VOUT 8
16 H¥ 2õ
15 H¥ 1õ
14 NC
13 VRG
12 VPP
11 VSUB
10 GND
9 VDD
16 Pin Plastic - DIP
( Top View )
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
V
2
Pin9
H
12
25
1
1 page  
Measurement Method
1. Sensitivity
¨ çSet to SILC ( Standard Illumination Conditions* )
¨ èMeasure the average value of signal output ( Vout )
¨ éCalculate the efficiency of Vout to light intensity
2. Vsat
¨ çAdjust light intensity to 200 times of SILC
¨ èMeasure the average value of signal output
3. Smear
¨ çAdjust light intensity to 200 times of SILC & readout clock
¨ èMeasure the signal output at horizontal optical black ( Vhopb )
¨ éMeasure the signal output at vertical blanking dummy ( Vvbd )
¨ êSmear = { ( Vvbd - Vhopb ) / Vsat } ¡ ¿100 ( % )
4. Blooming
¨ çAdjust light intensity to 200 times of SILC & readout clock
¨ èMeasure the signal output at horizontal optical black ( Vhopb )
¨ éMeasure the signal output at blooming dummy area ( Vbd )
¨ êBlooming = { ( Vbd - Vhopb ) / Vsat } ¡ ¿100 ( % )
5. OSNU
¨ çSet to SILC
¨ èMeasure the average value of signal output ( Vout )
¨ éMeasure the maximum value and the minimum value of signal output
¨ êOSNU = ( Vmax - Vmin ) / Vout 100 (%)
6. Vdark
¨ çMeasure the average value of signal output at dark condition
7. DSNU
¨ çMeasure the voltage difference between minimum and maximum of dark signal
* Standard Illumination Conditions
¨ çMeasure the average value of output of linear region
¨ èAt this time, measure the light intensity of illumination at CCD face plate
¨ éDefine SILC with above
¨ êLight source: Tungsten lamp(3100K)
¨ ëUse a standard test lens at F8
5
Ai325
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AI325.PDF ] | |
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