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BH1750FVI Datasheet(PDF) 2 Page - Rohm |
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BH1750FVI Datasheet(HTML) 2 Page - Rohm |
2 / 18 page ![]() BH1750FVI Technical Note 2/17 www.rohm.com 2009.04- Rev.B © 2009 ROHM Co., Ltd. All rights reserved. ● Electrical Characteristics ( VCC = 3.0V, DVI = 3.0V, Ta = 25℃, unless otherwise noted ) Parameter Symbol Min. Typ. Max. Units Conditions Supply Current Icc1 - 120 190 µA Ev = 100 lx ※ 1 Powerdown Current Icc2 - 0.01 1.0 µA No input Light Peak Wave Length λp - 560 - nm Measurement Accuracy S/A 0.96 1.2 1.44 times Sensor out / Actual lx EV = 1000 lx ※ 1, ※2 Dark ( 0 lx ) Sensor out S0 0 0 3 count H-Resolution Mode ※ 3 H-Resolution Mode Resolution rHR - 1 - lx L-Resolution Mode Resolution rLR - 4 - lx H-Resolution Mode Measurement Time tHR - 120 180 ms L-Resolution Mode Measurement Time tLR - 16 24 ms Incandescent / Fluorescent Sensor out ratio rIF - 1 - times EV = 1000 lx ADDR Input ‘H’ Voltage VAH 0.7 * VCC - - V ADDR Input ‘L’ Voltage VAL - - 0.3 * VCC V DVI Input ‘L’ Voltage VDVL - - 0.4 V SCL, SDA Input ‘H’ Voltage 1 VIH1 0.7 * DVI - - V DVI ≧ 1.8V SCL, SDA Input ‘H’ Voltage 2 VIH2 1.26 - - V 1.65V ≦ DVI <1.8V SCL, SDA Input ‘L’ Voltage 1 VIL1 - - 0.3 * DVI V DVI ≧ 1.8V SCL, SDA Input ‘L’ Voltage 2 VIL2 - - DVI – 1.26 V 1.65V ≦ DVI < 1.8V SCL, SDA, ADDR Input ‘H’ Current IIH - - 10 µA SCL, SDA, ADDR Input ‘L’ Current IIL - - 10 µA I 2C SCL Clock Frequency fSCL - - 400 kHz I 2C Bus Free Time tBUF 1.3 - - µs I 2C Hold Time ( repeated ) START Condition tHDSTA 0.6 - - µs I 2C Set up time for a Repeated START Condition tSUSTA 0.6 - - µs I 2C Set up time for a Repeated STOP Condition tSUSTD 0.6 - - µs I 2C Data Hold Time tHDDAT 0 - 0.9 µs I 2C Data Setup Time tSUDAT 100 - - ns I 2C ‘L’ Period of the SCL Clock tLOW 1.3 - - µs I 2C ‘H’ Period of the SCL Clock tHIGH 0.6 - - µs I 2C SDA Output ‘L’ Voltage VOL 0 - 0.4 V IOL = 3 mA ※ 1 White LED is used as optical source. ※ 2 Measurement Accuracy typical value is possible to change '1' by "Measurement result adjustment function". ※ 3 Use H-resolution mode or H-resolution mode2 if dark data ( less than 10 lx ) is need. |
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