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Advanced Information Product Brief
OV7670/OV7171 CMOS VGA (640x480) CAMERACHIPTM with OmniPixel(R) Technology General Description
The OV7670/OV7171 CAMERACHIP is a low voltage CMOS image sensor that provides the full functionality of a single-chip VGA camera and image processor in a small footprint package. The OV7670/OV7171 provides full-frame, sub-sampled or windowed 8-bit images in a wide range of formats, controlled through the Serial Camera Control Bus (SCCB) interface. This product has an image array capable of operating at up to 30 frames per second (fps) in VGA with complete user control over image quality, formatting and output data transfer. All required image processing functions, including exposure control, gamma, white balance, color saturation, hue control and more, are also programmable through the SCCB interface. In addition, OmniVision CAMERACHIPs use proprietary sensor technology to improve image quality by reducing or eliminating common lighting/electrical sources of image contamination, such as fixed pattern noise (FPN), smearing, blooming, etc., to produce a clean, fully stable color image.
TM
Applications
* * * * Cellular and Picture Phones Toys PC Multimedia Digital Still Cameras
Key Specifications
Active Array Size 640 x 480 Digital Core 1.8VDC +10% Power Supply Analog 2.45V to 3.0V I/O 1.7V to 3.0Va Power Requirements Active 60 mW typical (15fps VGA YUV format)
Standby < 20 A
Operation -30C to 70C Temperature Range Stable Image 0C to 50C YUV/YCbCr 4:2:2 RGB565/555/444 GRB 4:2:2 Raw RGB Data
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Features
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Note: The OV7670/OV7171 uses a lead-free package.
* * Output Formats (8-bit) * * .com
DataShee
Lens Size 1/6" Chief Ray Angle 25 Maximum Image 30 fps for VGA Transfer Rate Sensitivity 1.3 V/(Lux * sec) S/N Ratio 46 dB Dynamic Range 52 dB Scan Mode Progressive Electronics Exposure Up to 510:1 (for selected fps) Pixel Size 3.6 m x 3.6 m Dark Current 12 mV/s at 60C Well Capacity 17 K e Image Area 2.36 mm x 1.76 mm Package Dimensions 3785 m x 4235 m
a. I/O power should be 2.45V or higher when using the internal regulator for Core (1.8V); otherwise, it is necessary to provide an external 1.8V for the Core power supply.
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High sensitivity for low-light operation Low operating voltage for embedded portable apps Standard SCCB interface compatible with I2C interface Output support for Raw RGB, RGB (GRB 4:2:2, RGB565/555/444), YUV (4:2:2) and YCbCr (4:2:2) formats Supports image sizes: VGA, CIF, and any size scaling down from CIF to 40x30 VarioPixel(R) method for sub-sampling Automatic image control functions including: Automatic Exposure Control (AEC), Automatic Gain Control (AGC), Automatic White Balance (AWB), Automatic Band Filter (ABF), and Automatic Black-Level Calibration (ABLC) Image quality controls including color saturation, hue, gamma, sharpness (edge enhancement), and anti-blooming ISP includes noise reduction and defect correction Supports LED and flash strobe mode Supports scaling Lens shading correction Flicker (50/60 Hz) auto detection Saturation level auto adjust (UV adjust) Edge enhancement level auto adjust De-noise level auto adjust
Ordering Information
Product OV07670-VL2A (Color, lead-free) OV07171-VL2A (B&W, lead-free) Package 24 pin CSP2 24 pin CSP2
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DataSheet 4 U .com
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Functional Block Diagram
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.com10/06/05 Version 1.1,
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 Technology. All other trademarks are the property of their respective owners.
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