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PixArt - CMOS VGA DIGITAL IMAGE SENSOR

Numéro de référence PAS302BCA-32
Description CMOS VGA DIGITAL IMAGE SENSOR
Fabricant PixArt 
Logo PixArt 





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PAS302BCA-32 fiche technique
PAS302BCA-32
CMOS Image Sensor IC
PAS302BCA-32 CMOS VGA DIGITAL IMAGE SENSOR
General Description
The PAS302BCA-32 is a highly integrated CMOS active-pixel image sensor that has a VGA resolution
of 644H x 484V. The PAS302BCA-32 outputs 10-bit RGB raw data through a parallel data bus and is
available in 32-pin LCC package.
The PAS302BCA-32 can be programmed to set the exposure time for different luminance condition via
I2CTM serial control bus. By programming the internal register sets, it can perform on-chip frame rate
adjustment, offset correction DAC and programmable gain control.
Features
Key Specification
ƒ VGA(644 x 484 pixels) resolution, ~1/4”
Lens
Supply Voltage
2.5V ~ 3.3V
ƒ Bayer-RGB color filter array
ƒ Output format: 10-bit parallel RGB raw data
ƒ On-chip 10-bit pipelined A/D converter
ƒ On-chip programmable gain amplifier
Resolution
Array diagonal
Pixel Size
644(H) x 484(V)
4.5mm (~1/4”Optic)
5.6µmx5.6µm
‰ 4-bit color gain amplifier (x1~x2)
‰ 4-bit global gain amplifier (x1~x2)
ƒ Digital gain stage
ƒ Continuous variable frame
time(1/2sec~1/30sec)
Chief Ray Angle
Frame rate
System clock
12~ 14
~30 fps
Up to 48 MHz
ƒ Continuous variable exposure time
Pixel clock
Up to 12MHz
ƒ I2CTM Interface
ƒ Support flash light timing
ƒ Single 2.5V / 3.3V supply voltage
ƒ < 15mA(~30 fps) power dissipation
ƒ 2µA power dissipation when power down
mode
ƒ Window-Of-Interest (WOI)
ƒ Sub-sampling
ƒ Defect compensation
Sensitivity
Color filter
Exposure Time
Scan Mode
S/N Ratio
Package
1.88 V/Lux-Sec
RGB Bayer Pattern
~ Frame time to Line time
Progressive
> 45 dB
32-pin LCC
Note1: Only two decoupling capacitors needed
Note2: Good sensitivity compared to competitors
Version 2.3, 13 Sep. 2004
PixArt Imaging Inc.
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