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OV7720 VGA product brief
high-performance, all-digital security camera solution
available in a lead-free package
The OV7720 CameraChipTM sensor is a high-performance 1/4 inch, single-chip VGA camera and image processor that performs under low voltage conditions. Operating at full functionality in a small footprint package, the OV7720 meets all security and surveillance market requirements in terms of performance, quality and reliability. The OV7720 excels in low light conditions and can operate within a wide temperature range from -20C to +70C. It provides full-frame, sub-sampled or windowed 8-bit/ 10-bit images in a wide range of formats, controlled through the Serial Camera Control Bus (SCCB) interface.
The OV7720 incorporates a 640 x 480 image array capable of operating at up to 60 frames per second (fps) in VGA with complete user control over image quality, formatting and output data transfer. The OV7720 possesses all required camera processing functions including exposure control, gamma, white balance, color saturation, hue control and more. These functions are also programmable through the SCCB interface.
applications
security/surveillance cameras video conferencing video phones video e-mail toys finger print equipment medical and dental equipment digital still cameras webcams
OV7720
ordering information
OV07720-VL1A OV07221-VL1A
(color, lead-free, CSP2-28) (b&w, lead-free, CSP2-28)
OV07720-C01A
(color, lead-free, CLCC-28) (b&w, lead-free, CLCC-28)
OV07221-C01A
product features
high sensitivity for low-light operation standard SCCB interface output support for: image quality controls including color saturation, hue, gamma, sharpness (edge enhancement), and anti blooming ISP includes noise reduction and defect correction lens shading correction saturation level auto adjust (UV adjust) edge enhancement level auto adjust noise suppression technology auto adjust frame synchronization capability
product specifications
array size: 640 x 480 power supply
analog: 3.0 to 3.6V digital core: 1.8 VDC 10% I/O: 1.7 to 3.3V active: 120 mW (60 fps VGA, YUV) standby: <20 A 3984 m x 2952 m up to 510:1 (for selected fps)
output format
8-bit YUV/RGB/ raw data
dynamic range: 60dB pixel size: 6.0m x 6.0m dark current: 40mV/s scan mode: progressive fixed pattern noise:
< 0.03% of V PEAK-TO-PEAK CSP2: 5345 m x 5265 m CLCC: 11.43mm x 11.43mm -20oC to +70oC
- Raw RGB - RGB (GRB 4:2:2, RGB565/555/ 444) - YCbCr (4:2:2) formats
power requirements
supports image sizes: VGA, QVGA, and any size scaling down from CIF to 40x30 VarioPixel(R) method for sub sampling automatic image control functions including:
- - - - -
image area:
electronic exposure S/N ratio: 50 dB
package dimensions:
Automatic Exposure Control (AEC) Automatic Gain Control (AGC) Automatic White Balance (AWB) Automatic Band Filter (ABF) Automatic Black-Level Calibration (ABLC)
temperature range
functional block diagram
column sense amp
G analog processing R B
buffer A/D DSP*
buffer
row select
image array
image scaler
FIFO
video port
D [9:0]
exposure/ gain detect
test pattern generator registers
clock
video timing generator
exposure/gain control
SCCB interface
XCLK
HREF
VSYNC
RSTB
PCLK
PWDN
FSIN
note 1 DSP* (lens shading correction, de-noise, white/black pixel correction, auto white balance, etc.)
7720_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, `VarioPixel', and `OmniPixel' are registered trademarks of OmniVision Technologies, Inc. All other trademarks are the property of their respective owners.
Version 1.11, May, 2008
SDA
SCL

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