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TMD27723 Datasheet(PDF) 1 Page - ams AG |
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TMD27723 Datasheet(HTML) 1 Page - ams AG |
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1 / 59 page  ams Datasheet, Confidential Page 1 [v1-20] 2014-Jul-21 Document Feedback TMD2772/ TMD2772WA Digital ALS and Proximity Module The TMD2772/TMD2772WA family of devices provides digital ambient light sensing (ALS), a complete proximity detection system, and digital interface logic in a single 8-pin surface mount module. The devices are register-set and pin-compatible with the TMD2771 family of devices and include new and improved ALS and proximity detection features and are available with 25° and 50° fields of view. The ALS enhancements include a reduced-gain mode that extends the operating range in sunlight. Proximity detection includes improved signal-to-noise performance and more accurate factory calibration. 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. The TMD2772/TMD2772WA ALS is based on the ams patented dual-diode technology that enables accurate results and approximates human eye response to light intensity under a variety of lighting conditions. The proximity detection system includes an LED driver and an IR LED, which are factory trimmed to eliminate the need for end-equipment calibration due to component variations. Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of TMD2772/TMD2772WA, Digital ALS and Proximity Module are listed below: Figure 1: Added Value of Using TMD2772/TMD2772WA Benefits Features Minimizes board space requirements Ambient Light Sensing, Proximity Detection, and IR LED in a Single Module Approximates Human Eye Response over a wide variety of lighting conditions. Achieves accurate sensing behind spectrally dark glass. Ambient Light Sensing (ALS) • Wide variety of programmable features which enable 8,000,000:1 Dynamic Range with very High Sensitivity General Description |
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