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Si1120-A-GM Arkusz danych(PDF) 1 Page - Silicon Laboratories |
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Si1120-A-GM Arkusz danych(HTML) 1 Page - Silicon Laboratories |
1 / 20 page Rev. 1.0 8/10 Copyright © 2010 by Silicon Laboratories Si1120 Si1120 P ROXIMITY/A MBIENT L IGHT S ENSOR WITH PWM O UTPUT Features Applications Description The Si1120 is a low-power, reflectance-based proximity and ambient light sensor with advanced analog signal processing and analog PWM output. It includes an integrated differential photodiode, signal processor, and LED driver. Proximity sensing is based on the measurement of reflected light from an external, optically-isolated, strobed LED. A separate visible light photodiode is used for ambient light sensing. The standard package for the Si1120 is an 8-pin ODFN. Typically 50 cm meter proximity range with single pulse Seven precision optical measurement modes: 3 proximity ranges 3 dc ambient ranges 1 calibration mode Low-noise ambient cancelling circuit allows maximum sensitivity with 8–12 bit resolution ALS works in direct sunlight (100 klux) Minimum reflectance sensitivity <1 µW/cm2 High EMI immunity without shielded packaging Power supply: 2.2–3.7 V Operating temperature range: –40 to +85 °C Typical 10 µA current consumption Programmable 400/50 mA LED constant current driver output Allows independent LED supply voltage Small outline 3 x 3 mm (ODFN) Handsets Touchless switches Occupancy sensors Consumer electronics Notebooks/PCs Industrial automation Display backlighting control Photo-interrupter U.S. Patent #5,864,591 U.S. Patent #6,198,118 Other patents pending Pin Assignments MD VSS TXO TXGD SC VDD PRX STX 1 2 3 4 8 7 6 5 Si1120 ODFN |
Podobny numer części - Si1120-A-GM |
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Podobny opis - Si1120-A-GM |
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