Luminosity Adjustment for TV Screens, CRT Monitors and Liquid-crystal Display Monitors
Notebook PCs and Portable Information Devices
Cellular and PHS Phones
Other Equipment Requiring Luminosity Adjustment

The TPS818 is a linear-output (current output type) photo-IC which incorporates a photodiode and a current amp circuit in a single chip. A luminous efficiency correction filter mounted on the detector ensures accurate luminosity output levels. The device’s excellent output linearity enables automatic adjustment of the luminosity of a TV screen or PC monitor in accordance with the ambient brightness of the operating environment.

● High sensitivity
   : Light current IL = 240 µA (typ.) @EV = 100 lx
● Little fluctuation in light current
   : 1.67 times width (±25° typ.)
● Low current consumption
   : ICC = 1 µA (max) @VCC = 5.5 V
● Excellent illumination output linearity
● Luminous efficiency correction filter mounted on detector: λp = 560 mm (typ.)
● Open-emitter output
● Side-view package
● Environmentally friendly silicon used as chip material instead of CdS
   Suitable as a substitute for CdS-based products