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TSL2591 Datasheet(PDF) 1 Page - ams AG |
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TSL2591 Datasheet(HTML) 1 Page - ams AG |
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1 / 25 page  Datasheet - Apr. 2013 - ams163.5 TSL2591 – 1 TSL2591 Datasheet - Apr. 2013 - ams163.5 The TSL2591 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 (visible plus infrared) 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 (ambient light level) in lux is derived using an empirical formula to approximate the human eye response. The TSL2591 supports a traditional level style interrupt that remains asserted until the firmware clears it. Figure TSL2591 – 1: Key Benefits and Features Benefits Features Approximates Human Eye Response Dual Diode Flexible Operation Programmable Analog Gain and Integration Time Suited for Operation Behind Dark Glass 600M:1 Dynamic Range Low Operating Overhead • Two Internal Interrupt Sources • Programmable Upper and Lower Thresholds • One Interrupt Includes Programmable Persistence Filter Low Power 3.0 μA Sleep State User Selectable Sleep Mode I2C Fast Mode Compatible Interface • Data Rates up to 400 kbit/s • Input Voltage Levels Compatible with 3.0V Bus General Description |
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