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OmniVision_OV7725

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  • 日期: 2015-05-26
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标签: OV7725

OV7725说明书,英文的

OV7725 VGA product brief high performance, all-digital VGA camera solution available in a lead-free package The OV7725 CameraChip™ sensor is a highperformance 1/4 inch, single-chip VGA camera and image processor in a small footprint package. Operating at full functionality, the OV7725 meets all pc multimedia and cameraphone market requirements in terms of performance, quality and reliability. The lowpower OV7725 excels in low light conditions and can operate in a wide temperature range, from -20ºC to +70ºC. The OV7725 incorporates a 640 x 480 image array, capable of operating at 60 frames per second in VGA mode with complete user control over image quality, formatting and output data transfer. The OV7725 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 OV7725 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 „ camera phones „ toys „ digital still cameras „ webcams OV7725 ordering information „ OV07725-VL1A (color, lead-free, CSP2-28) „ OV07725-G00A (color, no chip probing, no backgrinding) product features „ high sensitivity for low-light operation „ standard SCCB interface output support for: – raw RGB – RGB (GRB 4:2:2, RGB565/555/ 444) – YCbCr (4:2:2) formats „ supports image sizes: VGA, QVGA, and any size scaling down from CIF to 40x30 „ VarioPixel® method for sub sampling „ edge enhancement level auto adjust „ noise suppression technology auto adjust „ frame synchronization capability „ automatic image control functions including: – automatic exposure control (AEC) – automatic gain control (AGC) – automatic white balance (AWB) – automatic band filter (ABF) – automatic black-level calibration (ABLC) „ image quality controls including color saturation, hue, gamma, sharpness (edge enhancement), and anti blooming product specifications „ array size: 640 x 480 „ power supply analog: 3.0V to 3.6V digital core: 1.8 VDC ± 10% I/O: 1.7V to 3.3V „ power requirements active: 120 mW (60 fps VGA, YUV) standby: <20 μA „ image area: 3984 μm x 2952 μm „ electronic exposure up to 510:1 (for selected fps) „ S/N ratio: 50 dB „ dynamic range: 60 dB „ pixel size: 6.0 μm x 6.0 μm „ lens size: 1/4” „ scan mode: progressive „ fixed pattern noise: < 0.03% of V PEAK-TO-PEAK „ package dimensions: CSP2: 5345 μm x 5265 μm COB: 5360 μm x 5260 μm „ temperature range -20oC to +70oC functional block diagram row select column sense amp image array G analog R processing B buffer buffer A/D DSP* image scaler FIFO video port clock exposure/ gain detect test pattern generator video timing generator exposure/gain control registers SCCB interface D[9:0] SCL SDA XCLK FSIN HREF PCLK VSYNC RSTB PWDN note 1 DSP* (lens shading correction, de-noise, white/black pixel correction, auto white balance, etc.) 7725_PB_001 1341 Orleans Drive Sunnyvale, CA 94089 Version 1.0, January, 2008 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 Technology. All other trademarks are the property of their respective owners.
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