BH1750FVI datasheet(3/18 Pages) ROHM

Part #	BH1750FVI

Description	Digital 16bit Serial Output Type Ambient Light Sensor IC

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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BH1750FVI

Technical Note

3/17

www.rohm.com

2009.04- Rev.B

●

Reference Data

0

0.2

0.4

0.6

0.8

1

1.2

-90

-60

-30

0

30

60

90

Angle [ deg ]

0

0.2

0.4

0.6

0.8

1

1.2

-90

-60

-30

0

30

60

90

Angle [ deg ]

Fig.8 Light Source Dependency

( Fluorescent Light is set to '1' )

1

10

100

1000

10000

100000

1

10

100

1000

10000 100000

Illuminance [ lx ]

Fig.4 Directional Characteristics 1

Fig.5 Directional Characteristics 2

Fig.6 Dark Response

蛍光灯白熱灯感度比

0

2

4

6

8

10

-40

-20

0

20

40

60

80

100

Ta [ ℃ ]

0

50

100

150

200

2

2.5

3

3.5

4

VCC [ V ]

H-Res.

L-Res.

0

8

16

24

32

40

48

56

64

0

8

16

24

32

40

48

56

64

Illuminance [ lx ]

H-Res.

L-Res.

H-Res.

-

+

-

+

-

+

-

+

1pin

Fig.7 Measurement Accuracy

Temperature Dependency

Fig.2 Illuminance -

Measurement Result 1

Fig.3 Illuminance -

Measuremnet Result 2

Fig.9 VCC - ICC

( During measurement )

Fig.10 VCC – ICC@0 Lx

( POWER DOWN )

Fig.1 Spectral Response

0

0.2

0.4

0.6

0.8

1

1.2

22.5

33.5

4

VCC [ V ]

Fig.11 Measurement Result

VCC Dependency

0

0.2

0.4

0.6

0.8

1

1.2

1.5

2

2.5

3

3.5

DVI [ V ]

Fig.12 Measurement Result

DVI Dependency

DVI=1.8V

VCC=3V

0

0.2

0.4

0.6

0.8

1

1.2

400

500

600

700

800

900

1000

1100

Wavelength [ nm ]

00.5

11.5

2

Fluorescent

Light

Incandescent

Light

Halogen

Light

Kripton Light

Artifical Sun

Light

White LED

Ratio

0

0.2

0.4

0.6

0.8

1

1.2

-40

-20

0

20

406080

100

Ta [ ℃ ]

0.01

0.1

1

10

-40

-20

0

20

40

60

80

100

Ta [ ℃ ]

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