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www.rohm.com

2009.04- Rev.B

© 2009 ROHM Co., Ltd. All rights reserved.

Ambient Light Sensor IC Series

Digital 16bit Serial Output Type

Ambient Light Sensor IC

BH1750FVI

●

Descriptions

BH1750FVI is an digital Ambient Light Sensor IC for I

data for adjusting LCD and Keypad backlight power of Mobile phone. It is possible to detect wide range at High resolution.

( 1 - 65535 lx ).

●

Features

1) I

2) Spectral responsibility is approximately human eye response

3) Illuminance to Digital Converter

4) Wide range and High resolution. ( 1 - 65535 lx )

5) Low Current by power down function

6) 50Hz / 60Hz Light noise reject-function

7) 1.8V Logic input interface

8) No need any external parts

9) Light source dependency is little. ( ex. Incandescent Lamp. Fluorescent Lamp. Halogen Lamp. White LED. Sun Light )

10) It is possible to select 2 type of I

11) Adjustable measurement result for influence of optical window

( It is possible to detect min. 0.11 lx, max. 100000 lx by using this function. )

12) Small measurement variation (+/- 20%)

13) The influence of infrared is very small.

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Applications

Mobile phone, LCD TV, NOTE PC, Portable game machine, Digital camera, Digital video camera, Car navigation, PDA,

LCD display

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Absolute Maximum Ratings

Parameter

Symbol

Limits

Units

Supply Voltage

Vmax

4.5

V

Operating Temperature

Topr

-40～85

℃

Storage Temperature

Tstg

-40～100

℃

SDA Sink Current

Imax

7

mA

Power Dissipation

Pd

mW

※

70mm × 70mm × 1.6mm glass epoxy board. Derating in done at 3.47mW/℃ for operating above Ta=25℃.

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Operating Conditions

Parameter

Symbol

Min.

Typ.

Max.

Units

Vcc

2.4

3.0

3.6

V

I

1.65

-

V

No.09046EBT01