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TSL27721 Datasheet(PDF) 1 Page - ams AG |
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TSL27721 Datasheet(HTML) 1 Page - ams AG |
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1 / 56 page  ams Datasheet Page 1 [v1-00] 2016-Aug-26 Document Feedback TSL2772 Light-to-Digital Converter with Proximity Sensing The TSL2772 device family provides both ambient light sensing (ALS) and, when coupled with an external IR LED, proximity detection. The device family is based on the ams patented dual-diode technology that enables accurate ALS results and approximates human eye response to light intensity under a variety of lighting conditions. The TSL2772 ALS includes a reduced-gain mode that extends the operating range to 60k lux in sunlight. The device package incorporates a UV-rejection filter that enables accurate ALS. The TSL2772 proximity detection includes improved signal-to-noise performance and selectable gain modes. A proximity offset register allows compensation for optical system crosstalk between the IR LED and the sensor. To prevent false proximity data measurement readings, a proximity saturation indicator bit signals that the internal analog circuitry has reached saturation. Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of TSL2772, Light-to-Digital Converter with Proximity Sensing are listed below: Figure 1: Added Value Of Using TSL2772 Benefits Features • Enables Operation in IR Light Environments • Patented Dual-Diode Architecture • Enables Operation in 60K Lux Sunlight and Accurate Sensing Behind Spectrally Distorting Materials • 8M:1 Dynamic Range • Improves Lux Accuracy Across Varying Light Sources • UV-Rejection Package • Compensates for Internal System Offset or IR LED Crosstalk • Proximity Offset Adjustment • Prevents False Proximity Detection in Bright Light • Proximity Saturation Indicator Bit General Description |
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