BU27034NUC (Under Development)
Digital 16bit Serial Output Type Ambient Light Sensor IC

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.

Data Sheet Buy Sample
* This is a standard-grade product.
For Automotive usage, please contact Sales.
Data Sheet Buy Sample

Product Detail

Part Number | BU27034NUC-E2
Package | WSON008X2120
Unit Quantity | 4000
Minimum Package Quantity | 4000
Packing Type | Taping
RoHS | Yes


Sensor Type

Digital ALS





Output Type


illuminance Measurement Range[lx]

0 to 20,000

Sensitivity Variations[%]


Operating Temperature (Min.)[°C]


Operating Temperature (Max.)[°C]


Package Size [mm]

2x2.1 (t=0.6)

Find Similar


  • 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)