The
 APM-16D17-05-DF8/TR8 is a digital output ambient light and proximity senor
 with I2C interface and interrupt. It has a flexible and wide operating range
 for the ambient light sensor with a maximum resolution of 0.536mLux/count and
 a maximum detectable illumination of 53280Lux. The PS function has adjustable
 number of IR pulses from 1 to 256 and VCSEL driving current 12.5mA, to meet
 different application requirements. Furthermore it is equipped with a filter
 to reduce unwanted IR signals and noise comes from the environment.