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LM9627 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM9627 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 37 page  ©2000 National Semiconductor Corporation Confidential www.national.com March 2001 LM9627 Color CMOS Image Sensor VGA 30 FPS General Description The LM9627 is a high performance, low power, third inch VGA CMOS Active Pixel Sensor capable of capturing color digital still or motion images and converting them to a digital data stream. In addition to the active pixel array, an on-chip 12 bit A/D conver- tor, fixed pattern noise elimination circuits and a video gain amplifier is provided. Furthermore, an integrated programmable smart timing and control circuit allows the user maximum flexibil- ity in adjusting integration time, active window size, gain and frame rate. Various control, timing and power modes are also provided. Features • Supplied with micro lenses • Video or snapshot operations • Programmable pixel clock, inter-frame and inter-line delays. • Programmable partial or full frame integration • Programmable gain adjustment • Horizontal & vertical sub-sampling (2:1 & 4:2) • Windowing • External snapshot trigger & event synchronisation signals • Auto black level compensation • Flexible digital video read-out supporting programmable: - polarity for synchronisation and pixel clock signals - leading edge adjustment for horizontal synchronization • Programmable via 2 wire I2C compatible serial interface • Power on reset & power down mode Applications • PC Camera • Digital Still Camera • Video Conferencing • Security Cameras • Toys • Machine Vision Key Specifications • Array Format Total: 664H x 504V Active: 648H x 488V • Effective Image Area Total: 4.98mm x 3.78 mm Active: 4.86 mm x 3.66 mm • Optical Format 1/3“ • Pixel Size 7.5 µm x 7.5µm • Video Outputs 8,10 & 12 Bit Digital • Dynamic Range 57dB • FPN 0.35% • Sensitivity red green blue 14.5 kLSBs/lux.s 7.5 kLSBs/lux.s 5.1 kLSBs/lux.s • Quantum Efficiency 27% • Fill Factor 47% (no micro lens) • Color Mosaic Bayer pattern • Package 48 LCC • Single Supply 3.3 V • Power Consumption 90 mW • Operating Temp 0 to 50oC 12bit digital image lens I 2C compatible Digital Image Processor Storage snapshot event trigger LM9627 System Block Diagram |
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