VCNL3040 www.vishay.com Vishay Semiconductors BLOCK DIAGRAM V Anode DD PS timing controller PD buffer DSP PS IRED PD Oscilator LED_CATHODE LED driver Temperature sensor INT I2C bus logic SCLK control SDAT GND BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified) PARAMETERTEST CONDITIONSYMBOLMIN.TYP.MAX.UNIT Supply voltage VDD 2.5 - 3.6 V Supply current Excluded LED driving, VDD = 2.28 V IDD - 300 - μA Shutdown current Light condition = dark, VDD = 3.3 V IDD (SD) 0.01 0.2 1 μA I2C supply voltage Vpull_up 1.8 - 3.6 V Logic high VIH 1.55 - - VDD = 3.3 V V Logic low VIL - - 0.4 I2C signal input Logic high VIH 1.4 - - VDD = 2.6 V V Logic low VIL - - 0.4 Peak sensitivity wavelength of PS λpps - 850 - nm Full PS counts 12-bit / 16-bit resolution - - 4096 / 65 535 steps V PS dark offset DD/VLED = 2.8 V, PS_IT = 1T, 0 - 3 steps IRED current = 100 mA, dark room PS detection range Kodak gray card 0 - 300 mm Operating temperature range Tamb -40 - +85 °C IRED driving current (1) - - 200 mA Note (1) Programmable between 50 mA and 200 mA Rev. 1.2, 08-Jul-2019 3 Document Number: 84917 For technical questions, contact: sensorstechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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