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Preliminary YB8000 High-Performance Ambient Light Sensor Description The YB8000 is an ultra-compact surface mount ambient light sensor IC for detecting ambient light illuminating intensity. The sensitivity is superior to that of a phototransistor, and exhibits little chip-to-chip variation. It has excellent spectral sensitivity to the illuminating light source and excellent output linearity. It is suitable in the power-saving control for back light display in mobile phones, notebook computers, PDAs, digital cameras and video cameras. Features Monolithic IC Containing Photodiode and Current Amplifier Wide Dynamic Range: 1 lux to 10,000 lux Excellent Output to Luminance Linearity Little Chip-to-Chip Variation in Output Light Current: Il = 40 uA to 55 uA @EV = 100 lx Supply Voltage Range: Standby Current: < 1 uA 2.5V to 5.5V Applications Display Back Light Control in Car TV, DSC, Laptop, Mobile Phone, PMP, PDA, Portable DVD and Video Camera Auto Exposure and Flasher Control in Cameras Typical Application Circuit Pin connection: Pin 1: Vcc (Supply voltage) ; Pin 2: GND ; Pin6: OUT Vcc amp OUT GND Figure 1. Functional Block Diagram YB8000 MRev.0.4 www.yobon.com.tw 1 |
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