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Doc Capteur Camera Moway .pdf


Nom original: Doc Capteur Camera Moway.pdf
Titre: OV7949_PB_2.9.fm
Auteur: mminar

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OV7949 NTSC/PAL

product brief

high-performance security CameraChip sensor
available in
a lead-free
package

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.
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 -20°C to +70°C.

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.

OV7949

applications
„ security/surveillance cameras

ordering information

„ video conferencing

„ toys

„ video phones

„ fingerprint equipment

„ video e-mail

„ medical and dental equipment

„ OV07949-C10A

„ OV07949-C20A

„ OV07449-C10A

„ OV07449-C20A

(color, NTSC CLCC-48)

(color, PAL CLCC-48)

(b&w, NTSC CLCC-48)

(b&w, PAL CLCC-48)

product features

product specifications

„ OmniPixel2 ™ technology

„ array size:

„ SPI/EEPROM used to control
overlay and set other customer
„ single chip 1/3” format video camera
variables
„ composite video (NTSC/PAL)
„ I2C compatible serial camera
differential output drive
control bus (SCCB) control
interface for register programming
„ sensitivity boost (+42 dB)
„ automatic exposure/gain with
16-zone control

„ low power consumption

„ sensitivity:

PAL: 628 x 586
NTSC: 510 x 496

4.6V/Lux-sec @ 5600K

„ S/N ratio: 48 dB (max)

„ power supply:

analog/ADC/10: 3.3 VDC ± 5%
digital core: 1.8 VDC ± 5%

„ power consumption:

„ auto white balance control

„ extremely low dark current for high
temperature applications

„ aperture/gamma correction

„ defective pixel correction

„ fixed pattern noise:

0.079% of V PEAK TO PEAK

„ image area:

„ package dimensions:

5.961 mm x 4.276 mm

14.22 mm x 14.22 mm

„ temperature range:

„ external frame sync capability
(Genlock)

„ pixel size: 9.2 μm x 7.2 μm
„ dark current: 70 mW/s @60°C

168 mW (DVDD=1.8V.
all other voltages=3.3V.
75 Ω loading

„ 50/60 Hz flicker cancellation

„ dynamic range: 50 dB

-20°C to +70°C

„ exposure time range:
1/60 s - 12 μs (NTSC)
1/50 s - 12.5 μs (PAL)

functional block diagram
+CVO
column
sample/hold

AMP

ADC

DSP

overlay

video
encoder

DAC

row select

-CVO
image
array

gain
control

DSP
control

overlay
control

video
encoder
control

CS
SPI
interface

SCK
ESO
ESI

Version 2.6, September, 2007

tel: +1 408 542 3000
fax: +1 408 542 3001
www.ovt.com

SIO_D

FSO

PAL*

FSI

PWDN

XCLK2

XCLK1

1341 Orleans Drive
Sunnyvale, CA 94089

SCCB
interface

SIO_C

register
bank

timing/clock
generator

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.

CS0*
CS1*

7949_PB_001


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