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Home » NEWEST Products » New by Manufacturer » ams (Austria Micro Systems) » TSL2591 Light-to-Digital Converter - ams
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Austria Micro Systems TSL2591 Light-to-Digital Converter

ams TSL2591 Light-to-Digital Converter

ams TSL2591 very-high sensitivity light-to-digital converter transforms light intensity into a digital signal output capable of direct I2C interface. ams TSL2591 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.

  • Dual Diode
  • Programmable Analog Gain and Integration Time
  • 600M:1 Dynamic Range
  • 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 400kbit/s
  • Input voltage levels compatible with 3.0V bus
Application Diagram

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