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PDF PAS202BBB Data sheet ( Hoja de datos )
| Número de pieza | PAS202BBB | |
| Descripción | SINGLE-CHIP CMOS VGA B&W DIGITAL IMAGE SENSOR | |
| Fabricantes | PixArt | |
| Logotipo |  |
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PAS202BCB
PAS202BBB
PAS202BCB SINGLE-CHIP CMOS VGA COLOR DIGITAL IMAGE SENSOR
PAS202BBB SINGLE-CHIP CMOS VGA B&W DIGITAL IMAGE SENSOR
General Description
The PAS202BCB/PAS202BBB is a highly integrated CMOS active-pixel image sensor that has a VGA resolution
of 644H x 484V. To have an excellent image quality, the PAS202BCB/PAS202BBB outputs 10-bit RGB raw data
through a parallel data bus. It is available in color or monochrome and in 28-pin LCC.
The PAS202BCB/PAS202BBB can be programmed to set the exposure time for different luminance condition via
I2CTM serial control bus. By programming the internal register sets, it performs on-chip frame rate adjustment,
offset correction DAC and programmable gain control.
Features
§ VGA(644 x 484 pixels) resolution, ~1/4” Lens
§ Bayer-RGB color filter array
§ On-chip 10-bit pipelined A/D converter
§ Output format: 10-bit parallel RGB raw data
§ On-chip 9-bit background compensation DAC
§ On-chip programmable gain amplifier
q 4-bit color gain amplifier(x3)
q 5-bit global gain amplifier (x5)
§ Continuous variable frame time(1/2sec~1/30sec)
§ Continuous variable exposure time
§ I2C Interface
§ Digitally programmable registers
§ Single 3.3V supply voltage
§ 100 mW low power dissipation
§ 350 uW low power down dissipation
§ Flash light timing
§ Mirror output
Key Specification
Supply Voltage
Resolution
Array diagonal
Pixel Size
Frame rate
System clock
Max. pixel rate
Sensitivity
PGA gain
Color filter
Exposure Time
Scan Mode
S/N Ratio
Package
3.3V + 10%
644(H) x 484(V)
4.5mm (~1/4”Optic)
5.6µmX5.6µm
~30 fps
Up to 48 MHz
12MHz
0.6V/Lux-sec(green)
29.5 dB max.
RGB Bayer Pattern
~ Frame time to 4 pxclk
Progressive
>42 dB
28 pins LCC
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
1
PixArt Imaging Inc.
E-mail: [email protected]
V2.0, May 2002
1 page  
PixArt Imaging Inc.
PAS202BCB/PAS202BBB
3.2 Output timing:
Pixel per line is programmable, 772 pixels ~ 1156 pixels.
4+4 blank pixel for each line. ( See Fig 3.2. Fig 3.3)
1+1 Dark line for each frame.(See Fig 3.4. Fig 3.5 )
Dark line output format: Fig 3.6.
CMOS Image Sensor IC
Fig 3.2. Inter-line timing (default)
Fig 3.3. Inter-line timing (programmable)
Fig 3.4. Inter-frame timing (default)
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
5
PixArt Imaging Inc.
E-mail: [email protected]
V2.0, May 2002
5 Page 
PixArt Imaging Inc.
PAS202BCB/PAS202BBB
CMOS Image Sensor IC
5. Specifications
Absolute Maximum Ratings
Symbol
Parameter
Vdd DC supply voltage
Vin DC input voltage
Vout DC output voltage
Min Max Unit
-0.5 3.8 V
0.5 Vdd+0.5 V
-0.5 Vdd+0.5 V
DC Electrical Characteristics (VDD=3.3V±10%, Ta=0°C~40°C )
Symbol
Parameter
Min. Typ. Max.
Type :PWR
VDD Analog and digital operating voltage
3.00 3.3 3.60
IDD Operating Current
30
Type :IN & I/O Reset and SYSCLK
VIH Input voltage HIGH
2.0 VDD
VIL Input voltage LOW
0 0.8
Cin Input capacitor
10
Ilkg Input leakage current
1.0
Type : OUT & I/O for PXD0:9, PXCLK, H/VSYNC & SDA, load 20pf, 3.3volts
VOH Output voltage HIGH
Vdd-0.2
VOL Output voltage LOW
0.2
Unit
V
mA
V
V
pF
uA
V
V
AC Operating Condition
Symbol
Parameter
fsysclk
fpxclk
Master clock frequency
Pixel clock output frequency
Min.
8
Typ. Max.
48
12
Unit
MHz
MHz
Sensor Characteristics
Parameter
Photo response non-uniformity
Saturation output voltage
Dark output voltage
Dark signal non-uniformity
Sensitivity ( Red channel )
Sensitivity ( Green channel )
Sensitivity ( Blue channel )
Column non-uniformity
Symbol Min.
PRNU
Vsat.
Vdark
DSNU
R
G
B
Cnu
Typ.
1.7
1.2
53
2.79
0.8
0.6
0.6
Max.
1.56
Unit
%
V
mV/sec
Lsb
V/Lux-sec
V/Lux-sec
V/Lux-sec
%
Note
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
11
PixArt Imaging Inc.
E-mail: [email protected]
V2.0, May 2002
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet PAS202BBB.PDF ] | |
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