The ams TSL2591 series is a very high sensitivity light-to-digital converter that transforms light intensity into a digital signal output capable of direct I2C interface. The device combines one broadband photodiode and one infrared-responding photodiode on a single CMOS integrated circuit. Two integrating ADCs convert the photodiode currents into a digital output that represents the irradiance measured on each channel. This digital output can be input to a microprocessor where illuminance in lux is derived using an empirical formula to approximate the human eye response. It supports a traditional level style interrupt that remains asserted until the firmware clears it.
Design flexibility for dark glass and placement Enables operation in IR light environments Enables dark room to sunlight operation Reduces microprocessor interrupt overhead Improves lux accuracy across various light sources
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