Ambient Light Sensor IC HT3021-10 Characteristics Operating Voltage : 2.7V ~ 5.5V Operating Temperature : -40 ~ 85°C Human eye type spectral response 15-bit effective resolution High dynamic sensing range : 0 ~ 136000 Lux Linear response over full operating range Includes power-down mode 2 I C interface ◆ ◆ Standard 100kHz Fast 400kHz 6-pin SMD package HT3021-10 Application Areas LCD TV Tablet PC Notebook Block Diagram UI : User Interface Upper Layer : LED light Source Lower Layer : ALS (Ambient Light Sensor)