BH1751FVI Datasheet, PDF (1/17 Pages) Rohm – Digital 16bit Serial Output Type Ambient Light Sensor IC

Ambient Light Sensor IC Series
Digital 16bit Serial Output Type
Ambient Light Sensor IC
BH1751FVI
No.10046EAT09
●Descriptions
BH1751FVI is an digital Ambient Light Sensor IC for I²C bus interface. This IC is the most suitable to obtain the ambient light
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) I2C bus Interface (f / s Mode Support)
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 I2C slave-address.
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.
14) Build in power on reset circuit
●Applications
Mobile phone, LCD TV, NOTE PC, Portable game machine, Digital camera, Digital video camera, Car navigation, PDA,
LCD display
●Absolute Maximum Ratings
Parameter
Symbol
Limits
Supply Voltage
Vmax
4.5
Operating Temperature
Topr
-40～85
Storage Temperature
Tstg
-40～100
SDA Sink Current
Imax
7
Power Dissipation
Pd
260^※
※ 70mm × 70mm × 1.6mm glass epoxy board. Derating in done at 3.47mW/℃ for operating above Ta=25℃.
Units
V
℃
℃
mA
mW
●Operating Conditions
Parameter
VCC Voltage
I²C Reference Voltage
Symbol
Vcc
VDVI
Min.
Typ.
Max.
Units
2.4
3.0
3.6
V
1.65
-
VCC
V
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