General Description
BU27034NUC is a digital Ambient Light Sensor IC with
I2C bus interface. This IC is most suitable for obtaining
ambient light data for adjusting LCD and backlight power
of TV and mobile phone. It is capable of detecting a very
wide range of illuminance.

Features
◼ Built-in IR Cut Filter
◼ 3 outputs with Different Spectral Response
◼ Correspond to Dark Window because of High
Sensitivity
◼ Rejecting 50 Hz/60 Hz Light Noise
◼ I2C Bus Interface (f/s mode support)
◼ Correspond to both 1.2 V and 1.8 V Logic Interface
◼ Resolution 0.000016 lx/count (Typ)
(In highest gain and longest measurement time setting)

Applications
Mobile Phone, Tablet PC, Note PC, Portable Game
Machine, LCD TV, Digital Camera