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PDF ( 数据手册 , 数据表 ) OV9625

零件编号 OV9625
描述 (OV9121 / OV9625) CMOS SXGA Carerachip
制造商 Omni Vision
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OV9625 数据手册, 描述, 功能
Omni
ision
TM
Advanced Information
Preliminary Datasheet
OV9625 Color CMOS SXGA (1.3 MPixel) CAMERACHIPTM
OV9121 B&W CMOS SXGA (1.3 MPixel) CAMERACHIPTM
General Description
The OV9625 (color) and OV9121 (black and white) are
high-performance 1.3 mega-pixel CAMERACHIPSTM for
digital still image and video camera products.
Both devices incorporate a 1280 x 1024 (SXGA) image
array and an on-chip 10-bit A/D converter capable of
operating at up to 15 frames per second (fps) at full
resolution and an improved micro lens design to decrease
shading. Proprietary sensor technology utilizes advanced
algorithms to cancel Fixed Pattern Noise (FPN), eliminate
smearing, and drastically reduce blooming. The control
registers allow for flexible control of timing, polarity, and
CameraChip operation, which, in turn, allows the engineer
a great deal of freedom in product design.
Features
• Optical Black Level Calibration (BLC)
• Improved micro lens design to decrease shading
• Video or snapshot operations
• Programmable/Auto Exposure and Gain Control
• Programmable/Auto White Balance Control
• Horizontal and vertical sub-sampling (4:2 and 4:2)
• Programmable image windowing
• Variable frame rate control
• On-chip R/G/B channel and luminance average
counter
• Internal/External frame synchronization
• SCCB slave interface
• Power-on reset and power-down mode
Applications
• Digital still cameras
• PC camera/dual mode
• Video conference applications
• Machine vision
• Security cameras
• Biometrics
Key Specifications
Array Size
SXGA
VGA
Core
Power Supply
Analog
I/O
Power
Active
Requirements
Standby
Output Formats (10-bit)
Lens Size
Max. Image
SXGA
Transfer Rate
VGA
Sensitivity
S/N Ratio
Dynamic Range
Scan Mode
Gamma Correction
Electronics
SXGA
Exposure
VGA
Pixel Size
Dark Current
Fixed Pattern Noise
Image Area
Package Dimensions
1280 x 1024
640 x 480
2.5VDC + 10%
3.3VDC + 10%
3.3VDC + 10%
< 50 mA
< 10 µA
Raw RGB Data
1/2"
15 fps
30 fps
1.0 V/Lux-sec
54 dB
60 dB (due to ADC limitations)
Progressive
N/A
Up to 1050:1
Up to 500:1
5.2 µm x 5.2 µm
28 mV/s
< 0.03% of VPEAK-TO-PEAK
6.66 mm x 5.32 mm
.560 in. x .560 in.
Figure 1 OV9625/OV9121 Pin Diagram
Ordering Information
Product
OV09625-C00A (Color, SXGA,
VGA)
OV09121-C00A (B&W with
microlens, SXGA, VGA)
Package
CLCC-48
CLCC-48
30 29 28 27 26 25 24 23 22 21 20 19
PCLK 31
18 ASUB
D5 32
D6 33
17 AGND
16 AVDD
D7 34
15 VcCHG
D8 35
D9 36
DOVDD 37
OV9625/OV9121
14 FSIN
13 VGA
12 EXPSTB
DOGND 38
11 SCCB_E
HREF 39
10 RESET
CHSYNC 40
VSYNC 41
9 NC
8 FREX
NC 42
7 PWDN
43 44 45 46 47 48 1 2 3 4 5 6
Version 1.3, September 15, 2003
Proprietary to OmniVision Technologies
1







OV9625 pdf, 数据表
OV9625/OV9121 CMOS SXGA (1.3 MPixel) CAMERACHIP
Pin Description
Omni ision
Table 3
Pin Description
Pin Number
Name
01 SVDD
02 VrHIGH
03 NBIT
04 DEVDD
05 DEGND
06 VrLOW
07 PWDN
08 FREX
09 NC
10 RESET
11 SCCB_E
12 EXPSTB
13 VGA
14 FSIN
15 VcCHG
16 AVDD
17 AGND
18 ASUB
19 VrAD2
20 ADVDD
21 ADGND
22 DVDD
23 DGND
24 D0
25 D1
26 D2
27 D3
28 D4
Pin Type
Function/Description
Power 3.3 V power supply for the pixel array
Analog Sensor high reference - bypass to ground using a 0.1 µF capacitor
Analog Sensor bit line reference - bypass to ground using a 0.1 µF capacitor
Power 3.3 V power supply for the sensor array decoder
Power Ground for the sensor array decoder
Analog Sensor low reference - bypass to ground using a 0.1 µF capacitor
Input (0)a Power down mode enable, active high
Input (0) Snapshot trigger, used to activate a snapshot sequence
— No connection
Input (0) Chip reset, active high
Input (0) SCCB interface enable, active low
Input (0)
Snapshot exposure start trigger
0: Sensor starts exposure - only effective in snapshot mode
1: Sensor stays in reset mode
Input (0)
Sensor Resolution Selection
0: SXGA resolution (1280 x 1024)
1: VGA resolution (640 x 480)
Input (0) Frame synchronization input
Analog Sensor reference - bypass to ground using a 1 µF capacitor
Power 3.3 V power supply for analog circuits
Power Ground for analog circuits
Power Ground for analog circuit substrate
Analog A/D converter reference - bypass to ground using a 0.1 µF capacitor
Power 3.3 V power supply for A/D converter
Power Ground for A/D converter
Power 2.5 V power supply for digital circuits
Power Ground for digital circuits
Output Digital video output bit[0]
Output Digital video output bit[1]
Output Digital video output bit[2]
Output Digital video output bit[3]
Output Digital video output bit[4]
8 Proprietary to OmniVision Technologies
Version 1.3, September 15, 2003







OV9625 equivalent, schematic
OV9625/OV9121 CMOS SXGA (1.3 MPixel) CAMERACHIP
OV9625/OV9121 Light Response
Figure 20 OV9625/OV9121 Light Response
OVN-9o6r2m0sapliezcetdruSmperecstrpuomnsReesponse
2000
1800
1600
1400
112200
1000
800
600
400
2200
00
WavWelaevnegltehn(gntmh)
RGB
Omni ision
1.10.000
0.09.900
0.08.800
0.07.700
0.06.600
0.05.500
0.04.400
0.03.300
0.02.200
0.01.100
0.00.000
MonocMhoronomcehrRomesepRoenspsoense
Wavelength
Wavelength
16 Proprietary to OmniVision Technologies
Version 1.3, September 15, 2003










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