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TMD37823 Datasheet(PDF) 1 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
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TMD37823 Datasheet(HTML) 1 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
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1 / 34 page  Datasheet - Mar. 2013 - V2 TMD3782 – 1 TMD3782 Datasheet - Mar. 2013 - V2 Color Light-To-Digital Converter with Proximity Sensing The TMD3782x device will perform color temperature measurement, ambient light sensing (ALS) and proximity detection with background light rejection. The device detects light intensity under a variety of lighting conditions and through a variety of attenuation materials, including dark glass. The proximity detection feature allows a large dynamic range of operation for accurate distance detection, such as in a cell phone when the user positions the phone close to their ear. IR LED sink current is factory trimmed to provide consistent proximity response without requiring customer calibrations. An internal state machine provides the ability to put the device into a low power state between proximity and RGBC measurements providing very low average power consumption. The color sensing feature is useful in applications such as backlight control, solid state lighting, reflected LED color sampler, or fluorescent light color temperature detection. The integrated IR blocking filter makes this device an excellent ambient light sensor, color temperature monitor, and general purpose color sensor. Figure TMD3782 – 1: Key Benefits and Features Benefit Feature Single Device Integrated Optical Solution RGB, Ambient Light Sensor (ALS) and Proximity Support • Power Management Features •I2C Fast Mode Interface Compatible •Integral IR LED • Small 8 lead optical module Color Temperature and Ambient Light Sensing • UV / IR blocking filters • Programmable Gain & Integration Time • 1,000,000:1 Dynamic Range Equal Response to 360º Incident Light Circular Segmented RGBC Photodiode Ideal for Operation Behind Dark Glass Very High Sensitivity Proximity Detection with Integrated IR LED • Background Ambient Light Rejection • Factory Trimmed, Consistent Response • Programmable Current Sink for IR LED Drive General Description |
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