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OmniVision Technologies - Color NTSC 510 X 492 Analog CMOS Camerachipstm

Numéro de référence OV7930
Description Color NTSC 510 X 492 Analog CMOS Camerachipstm
Fabricant OmniVision Technologies 
Logo OmniVision Technologies 





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OV7930 fiche technique
Omni ision
TM
Advanced Information
Preliminary Datasheet
OV7930 Color CMOS Analog CAMERACHIPTM
General Description
The OV7930 (color) is a high performance quarter-inch
CMOS CAMERACHIPTM designed for all applications
requiring a small footprint, low voltage, low power
consumption and low cost color video camera.
The device supports NTSC composite video output and
can directly interface with a VCR TV monitor or other
75 ohm terminated input with 2X standard TV signal
range. The OV7930 CAMERACHIPs require only a single
5-volt DC power supply and have been designed for very
low power operation.
Features
• Single chip 1/4" lens video camera
• Composite video: NTSC
• Sensitivity boost (+27 dB)/AGC ON/OFF
• Automatic exposure/gain/white balance
• External frame sync capability
• Aperture correction
• SCCB programmable controls:
– Color saturation
– Brightness
– Hue
– White balance
– Exposure
– Gain
– Gamma curve
– Aperture correction
• Gamma correction (0.45) ON/OFF
• Low power consumption
• +5 volt only power supply
• Wide dynamic range, anti-blooming, zero smearing
Ordering Information
Product
OV7930 (Color, VGA,
NTSC, CVO)
Packages
CLCC-28, PLCC-28
Applications
• Video Conferencing
• Video Phones
• Video E-mail
• PC Multimedia
• Toys
• Security
• Surveillance
• Finger Printing
• Medical and Dental Equipment
Key Specifications
Array Size
Power Supply
Power
Requirements
Without Loading
With 75 ohm
Loading
Image Area
Auto Electronic Exposure Time
Minimum Illumination (3000K)
S/N Ratio
Dynamic Range
Pixel Size
Dark Current
Fixed Pattern Noise
Package Dimensions
510 x 492
5 VDC + 5%
20 mA
< 35 mA
4.00 mm x 3.08 mm
1/60s - 6.3µs
< 2.0 Lux
> 46 dB
> 70 dB
7.86 µm x 6.25 µm
< 100 mV/s
< 0.03% VPEAK-TO-PEAK
0.45 in. x 0.45 in.
Figure 1 OV7930 Pin Diagram
4 3 2 1 28 27 26
NC 5
VREQ
6
VRCHG
7
NC 8
NC 9
CVO 10
OVDD 11
OV7930
25 FASTB
24 PWDN
23 FODD/HGAIN
22 VHS/MIR
21 GAMMA
20 FSI
19 DGND
12 13 14 15 16 17 18
Version 1.1, January 15, 2003
Proprietary to OmniVision Technologies
1

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