SI1120 Datasheet (data sheet) PDF





SI1120 Datasheet, PROXIMITY/AMBIENT LIGHT SENSOR

SI1120   SI1120  

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Si1120 PROXIMITY/AMBIENT LIGHT SENSOR W ITH PWM OUTPUT Features  Typically 50 cm meter proximity  High EMI imm unity without range with single pulse shielded packaging  Seven precisio n optical  Power supply: 2.2–3.7 V measurement modes:  Operating te mperature range: 3 proximity ran ges –40 to +85 °C 3 dc ambie nt ranges  Typical 10 µA current 1 calibration

SI1120 Datasheet, PROXIMITY/AMBIENT LIGHT SENSOR

SI1120   SI1120  
mode consumption  Low-noise ambien t cancelling  Programmable 400/50 mA LED circuit allows maximum constant current driver output sensitivity with 8–12 bit resolution Allows indepe ndent LED supply  ALS works in dire ct sunlight voltage (100 klux)  S mall outline 3 x 3 mm (ODFN)  Minim um reflectance sensitivity <1 µW/cm2 Applications  Handsets  Touchless switch








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