ADJD-J883

ADJD-J883 Color Management Controller with Integrated RGB Photosensor Data Sheet Description The ADJD-J883 is a CMOS mixed-signal IC with integrated RGB photosensors designed to be the optical feedback device of an RGB LED-based backlighting system. A typical system consists of an array of red, green and blue (RGB) LEDs, LED drivers and the ADJD-J883. The device samples the light output from the RGB LED array, processes the color information and adjusts the light output from the RGB LEDs until the target color is achieved. To achieve this, the device integrates an RGB photosensor array, an analog-to-digital converter front-end, a color data processing logic core and a high-resolution 12-bit PWM output generator. By employing a feedback system and the ADJD-J883, the light output produced by the LED array maintains its color over time and temperature. In addition, using a serial interface, specifying the color of the LED array’s light output is as simple as picking the target color co...