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OV7949 NTSC/PAL
product brief
high-performance security CameraChip sensor
available in a lead-free package
The OV7949 CameraChipTM 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. With an ever growing security surveillance camera market, the OV7949 image sensor is the most cost 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 -20C to +70C.
Key features of the 1/3 inch OV7949 include reduced 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 OV7949 make it a strong solution for any surveillance camera application.
applications
security/surveillance cameras video conferencing video phones video e-mail toys fingerprint equipment medical and dental equipment
OV7949
ordering information
OV07949-C10A OV07449-C10A
(color, NTSC CLCC-48) (b&w, NTSC CLCC-48)
OV07949-C20A
(color, PAL CLCC-48) (b&w, PAL CLCC-48)
OV07449-C20A
product features
OmniPixel2 TM technology single chip 1/3" format video camera composite video (NTSC/PAL) differential output drive sensitivity boost (+42 dB) automatic exposure/gain with 16-zone control auto white balance control aperture/gamma correction 50/60 Hz flicker cancellation external frame sync capability (Genlock) SPI/EEPROM used to control overlay and set other customer variables I2C compatible serial camera control bus (SCCB) control interface for register programming low power consumption extremely low dark current for high temperature applications defective pixel correction
product specifications
array size:
PAL: 628 x 586 NTSC: 510 x 496 analog/ADC/10: 3.3 VDC 5% digital core: 1.8 VDC 5% 168 mW (DVDD=1.8V. all other voltages=3.3V. 75 loading 5.961 mm x 4.276 mm -20C to +70C
sensitivity:
4.6V/Lux-sec @ 5600K
power supply:
S/N ratio: 48 dB (max) dynamic range: 50 dB pixel size: 9.2 m x 7.2 m dark current: 70 mW/s @60C fixed pattern noise:
0.079% of V PEAK TO PEAK 14.22 mm x 14.22 mm
power consumption:
image area:
package dimensions:
temperature range: exposure time range:
1/60 s - 12 s (NTSC) 1/50 s - 12.5 s (PAL)
functional block diagram
+CVO column sample/hold row select AMP ADC DSP overlay video encoder DAC -CVO image array gain control DSP control overlay control video encoder control
CS SPI interface SCK ESO ESI
timing/clock generator
register bank
SCCB interface
CS0* CS1*
FSI
PAL*
FSO
XCLK1
XCLK2
SIO_C
PWDN
SIO_D
7949_PB_001
1341 Orleans Drive Sunnyvale, CA 94089
tel: +1 408 542 3000 fax: +1 408 542 3001 www.ovt.com
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.
Version 2.6, September, 2007

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