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BH1730FVC Datasheet(PDF) 2 Page - Rohm |
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BH1730FVC Datasheet(HTML) 2 Page - Rohm |
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2 / 21 page  Technical Note 2/20 BH1730FVC www.rohm.com 2012.02 - Rev.A © 2012 ROHM Co., Ltd. All rights reserved. ● Electrical Characteristics ( VCC = 3.0V, VDVI = 3.0V, Ta = 25℃, unless otherwise noted ) Parameter Symbol Limits Units Conditions Min. Typ. Max. Supply Current Icc1 － 150 200 uA Ev = 100 lx ※ 1 CONTROL register(00h) = ”03h” and the other registers are default. Powerdown Current Icc2 － 0.85 1.5 uA No input Light All registers are default. Peak Wave Length in Type0 λp0 － 600 － nm Visible light response Peak Wave Length in Type1 λp1 － 840 － nm Infrared light response ADC count value in Type0 D1k_0 1020 1200 1380 count EV = 1000 lx ※ 1 TIMING register(01h) = “DAh” GAIN register(07h) = “00h” ADC count value in Type1 D1k_1 153 180 207 count EV = 1000 lx ※ 1 TIMING register(01h) = “DAh” GAIN register(07h) = “00h” Dark ( 0 lx ) Sensor out in Type0 S0_0 0 0 2 count No input Light TIMING register(01h) = “DAh” GAIN register(07h) = “00h” Dark ( 0 lx ) Sensor out in Type1 S0_1 0 0 2 count No input Light TIMING register(01h) = “DAh” GAIN register(07h) = “00h” Gain X1 resolution in Type0 rG1 － 0.83 － lx/count TIMING register(01h) = “DAh” ※ 1 Gain X2 resolution in Type0 rG2 － 0.42 － lx/count TIMING register(01h) = “DAh” ※ 1 Gain X64 resolution in Type0 rG64 － 0.014 － lx/count TIMING register(01h) = “DAh” ※ 1 Gain X128 resolution in Type0 rG128 － 0.007 － lx/count TIMING register(01h) = “DAh” ※ 1 Measurement Time tmt1 － 100 150 ms TIMING register(01h) = “DAh” Incandescent / Fluorescent ratio by calculating with Type0 and Type1 rIF － 1 － times EV = 1000 lx INT Output ‘L’ Voltage VINT 0 － 0.4 V IINT = 3 mA 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, INT Input ‘H’ Current IIH － － 10 µA SCL, SDA, INT 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 STOP Condition tSUSTO 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. |
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