BH1780GLI - Rohm

BH1780GLI Ambient Light Sensor

2 BH1780GLI is an digital Ambient Light Sensor IC for I C 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 2 1) I C bus Interface （ F/S mode & Hs mode Support, Slave address : "0101001.

Features

2 1) I C bus Interface （ F/S mode & Hs mode Support, Slave address : "0101001" ） 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) Small measurement variation (+/- 20%) 11) The influence of infrared is very small.
● Applications Mobile .