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OV7949

型号:

OV7949

描述:

安全性能高的CameraChip传感器[ high-performance security CameraChip sensor ]

品牌:

OMNIVISION[ OMNIVISION TECHNOLOGIES, INC. ]

页数:

2 页

PDF大小:

228 K

product brief  
OV7949 NTSC/PAL  
high-performance security CameraChip sensor  
available in  
a lead-free  
package  
Key features of the 1/3 inch OV7949 include reduced  
The OV7949 CameraChip™ sensor is known as one  
of the most highly integrated true video NTSC/PAL  
camera systems. With high functionality and  
proven excellence in extreme low light settings, the  
OV7949 image sensor can compete head-to-head  
with the highly competitive CCD segment of the  
security surveillance market.  
blooming/smearing effects, and a Genlock function, which  
allows the synchronization of two or more video sources. This  
enables the development of very affordable closed-circuit  
security monitoring systems that are very easy to set up,  
making the OV7949 a very suitable product for consumer and  
small business solutions.  
The OV7949 supports NTSC/PAL composite video output and  
can directly interface with a TV monitor or another device  
with 75 Ohm loading. These features and functions of the  
With an ever growing security surveillance camera  
market, the OV7949 image sensor is the most cost OV7949 make it a strong solution for any surveillance camera  
application.  
efficient solution for applications requiring a high  
performance video camera with a small footprint,  
low voltage, low power consumption and high  
performance. The OV7949 excels in low light  
conditions and can operate within a wide  
temperature range from -20°C to +70°C.  
OV7949  
applications  
„
„
„
„
security/surveillance cameras  
video conferencing  
video phones  
„
„
„
toys  
ordering information  
fingerprint equipment  
medical and dental equipment  
„
OV07949-C10A  
„
„
OV07949-C20A  
(color, NTSC CLCC-48)  
(color, PAL CLCC-48)  
video e-mail  
„
OV07449-C10A  
OV07449-C20A  
(b&w, NTSC CLCC-48)  
(b&w, PAL CLCC-48)  
product specifications  
product features  
„
„
„
OmniPixel2 ™ technology  
„
SPI/EEPROM used to control  
overlay and set other customer  
variables  
„
„
„
array size:  
„
sensitivity:  
PAL: 628 x 586  
NTSC: 510 x 496  
4.6V/Lux-sec @ 5600K  
single chip 1/3” format video camera  
„
„
S/N ratio: 48 dB (max)  
composite video (NTSC/PAL)  
differential output drive  
„
I2C compatible serial camera  
control bus (SCCB) control  
power supply:  
analog/ADC/10: 3.3 VDC ± 5%  
digital core: 1.8 VDC ± 5%  
dynamic range: 50 dB  
interface for register programming  
„
„
sensitivity boost (+42 dB)  
„
„
„
pixel size: 9.2 μm x 7.2 μm  
dark current: 70 mW/s @60°C  
fixed pattern noise:  
„
„
low power consumption  
automatic exposure/gain with  
16-zone control  
power consumption:  
168 mW (DVDD=1.8V.  
all other voltages=3.3V.  
75 Ω loading  
extremely low dark current for high  
temperature applications  
„
„
„
„
auto white balance control  
aperture/gamma correction  
50/60 Hz flicker cancellation  
0.079% of V  
PEAK TO PEAK  
„
defective pixel correction  
„
„
„
image area:  
„
package dimensions:  
5.961 mm x 4.276 mm  
14.22 mm x 14.22 mm  
temperature range:  
-20°C to +70°C  
external frame sync capability  
(Genlock)  
exposure time range:  
1/60 s - 12 μs (NTSC)  
1/50 s - 12.5 μs (PAL)  
functional block diagram  
+CVO  
-CVO  
column  
sample/hold  
video  
encoder  
AMP  
ADC  
DSP  
overlay  
DAC  
image  
array  
video  
encoder  
control  
gain  
control  
DSP  
control  
overlay  
control  
CS  
SCK  
ESO  
ESI  
SPI  
interface  
timing/clock  
generator  
register  
bank  
SCCB  
interface  
CS0*  
CS1*  
7949_PB_001  
OmniVision reserves the right to make changes to their products or to discontinue any  
product or service without further notice. OmniVision, the OmniVision logo and  
Omnipixel are registered trademarks of OmniVision Technologies, Inc. CameraChip and  
OmniPixel2 are trademarks of OmniVision Technologies, Inc. All other trademarks are  
the property of their respective owners.  
1341 Orleans Drive  
Sunnyvale, CA 94089  
tel: +1 408 542 3000  
fax: +1 408 542 3001  
www.ovt.com  
Version 2.6, September, 2007  
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