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PDF PAS302BCW-22S Data sheet ( Hoja de datos )
| Número de pieza | PAS302BCW-22S | |
| Descripción | CMOS VGA DIGITAL IMAGE SENSOR | |
| Fabricantes | PixArt | |
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PAS302BCW-22S
CMOS Image Sensor IC
PAS302BCW-22S CMOS VGA DIGITAL IMAGE SENSOR
General Description
The PAS302BCW-22S is a highly integrated CMOS active-pixel image sensor that has a VGA
resolution of 644H x 484V. The PAS302BCW-22S outputs 8-bit RGB raw data through a parallel data
bus and is available in 22-pin CSP package.
The PAS302BCW-22S 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
VGA(644 x 484 pixels) resolution, ~1/4”
Lens
Supply Voltage
2.5V ~ 3.3V
Bayer-RGB color filter array
Output format: 8-bit parallel RGB raw data
On-chip 10-bit pipelined A/D converter
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)
Digital gain stage
Continuous variable frame
time(1/2sec~1/30sec)
Chief Ray Angle
Frame rate
System clock
20∘ ~ 22∘
~30 fps
Up to 48 MHz
Continuous variable exposure time
Pixel clock
Up to 12MHz
I2CTM Interface
Support flash light timing
Single 2.5V / 3.3V supply voltage
< 15mA(~30 fps) power dissipation
2µA power dissipation when power down
mode
Window-Of-Interest (WOI)
Sub-sampling
Defect compensation
Pin-to-pin compatible to OV7648
Sensitivity
Color filter
Exposure Time
Scan Mode
S/N Ratio
Package
1.56 V/Lux-Sec
RGB Bayer Pattern
~ Frame time to Line time
Progressive
> 45 dB
22-pin lead-free CSP
Note1: Only two decoupling capacitors needed
Note2: Good sensitivity compared to competitors
Version 2.4, 20 Sep. 2005
E-mail: [email protected]
PixArt Imaging Inc.
1
1 page  
PAS302BCW-22S
4. Output Format
4.1 Physical Sensor Array
CMOS Image Sensor IC
Figure 4.1 Physical Sensor Array
Version 2.4, 20 Sep. 2005
E-mail: [email protected]
PixArt Imaging Inc.
5
5 Page 
PAS302BCW-22S
CMOS Image Sensor IC
6. Electrical Characteristics
Absolute Maximum Ratings
Ambient Storage Temperature
VDDD
Supply Voltages
VDDA
( with respect to Ground )
VDDMA
VDDQ
All Input / Output Voltages ( with respect to Ground )
Lead Temperature, Surface-mount process
ESD Rating, Human Body model
-40 ~ +125
3V
3V
4V
4V
-0.3V to VDDQ + 1V
+230
2000V
DC Electrical Characteristics ( VDD = 2.5V ± 4% , Ta = 0 ~ 70 )
Symbol
Parameter
Min.
Typ.
Max.
Type :PWR
VDDA
VDDD
DC Supply voltage – Analog
DC Supply voltage – Digital
VDDQ DC Supply voltage – I/O
IDD Operating Current
IPWDN Power Down current
Type :IN & I/O Reset and SYSCLK
2.4 2.5 2.6
2.4 2.5 2.6
2.4 - 3.3
15
2
VIH Input voltage HIGH
VIL Input voltage LOW
CIN Input capacitor
0.7 x VDDQ
0.3 x
VDDQ
10
Type : OUT & I/O for PXD0:7, PXCK, H/VSYNC & SDA, load 10pf, 1.2kΩ,2.5volts
VOH Output voltage HIGH
VOL Output voltage LOW
0.9 x VDDQ
0.1 x
VDDQ
Unit
V
V
V
mA
µA
V
V
pF
V
V
AC Operating Condition
Symbol
Parameter
SYSCLK Master clock frequency
PXCK
Pixel clock output frequency
Min.
Typ. Max. Unit
48 MHz
12 MHz
Sensor Characteristics
Parameter
Sensitivity
Signal to Noise Ratio
Dynamic Range
Temperature
Range
Operation
Stable Image
Typ.
1.56
> 45
60
-10 ~ 70
0 ~ 50
Unit
V/Lux-Sec
dB
dB
Note
Version 2.4, 20 Sep. 2005
E-mail: [email protected]
PixArt Imaging Inc.
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet PAS302BCW-22S.PDF ] | |
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