BH1750FVI 데이터 시트보기 (PDF) - ROHM Semiconductor
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BH1750FVI
ROHM Semiconductor
BH1750FVI Datasheet PDF : 18 Pages
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BH1750FVI
Technical Note
●Electrical Characteristics ( VCC = 3.0V, DVI = 3.0V, Ta = 25℃, unless otherwise noted )
Parameter
Symbol
Min.
Limits
Typ.
Max.
Units
Supply Current
Icc1
－
120
190
µA
Conditions
Ev = 100 lx ※1
Powerdown Current
Icc2
－
0.01
1.0
µA No input Light
Peak Wave Length
Measurement Accuracy
Dark ( 0 lx ) Sensor out
λp
－
560
－
nm
S/A
0.96
1.2
1.44
times
Sensor out / Actual lx
EV = 1000 lx ※1, ※2
S0
0
0
3
count H-Resolution Mode ※3
H-Resolution Mode Resolution
rHR
－
1
－
lx
L-Resolution Mode Resolution
H-Resolution Mode
Measurement Time
L-Resolution Mode
Measurement Time
Incandescent /
Fluorescent Sensor out ratio
ADDR Input ‘H’ Voltage
rLR
－
4
tHR
－
120
tLR
－
16
rIF
－
1
VAH 0.7 * VCC －
－
lx
180
ms
24
ms
－
times EV = 1000 lx
－
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
SCL, SDA, ADDR
Input ‘H’ Current
SCL, SDA, ADDR
Input ‘L’ Current
I2C SCL Clock Frequency
VIL2
－
IIH
－
IIL
－
fSCL
－
－ DVI – 1.26 V
－
10
µA
－
10
µA
－
400
kHz
I2C Bus Free Time
tBUF
1.3
－
－
µs
I2C Hold Time ( repeated )
START Condition
tHDSTA
0.6
－
I2C Set up time
for a Repeated START Condition
tSUSTA
0.6
－
I2C Set up time
for a Repeated STOP Condition
tSUSTD
0.6
－
－
µs
－
µs
－
µs
I2C Data Hold Time
tHDDAT
0
－
0.9
µs
I2C Data Setup Time
tSUDAT
100
－
－
ns
I2C ‘L’ Period of the SCL Clock
tLOW
1.3
－
－
µs
I2C ‘H’ Period of the SCL Clock
tHIGH
0.6
－
－
µs
I2C SDA Output ‘L’ Voltage
VOL
0
－
0.4
V
※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.
1.65V ≦ DVI ＜ 1.8V
IOL = 3 mA
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© 2011 ROHM Co., Ltd. All rights reserved.
2/17
2011.11 - Rev.D
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