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SI1133 - UV Index/Ambient Light Sensor IC

General Description

3.

The Si1133 is a UV and Ambient Light sensor whose operational state is controlled through registers accessible through the I2C interface.

The host can command the Si1133 to initiate on-demand UV or Ambient Light measurement.

Key Features

  • High accuracy UV index sensor (0 to > 20 uV).
  • Matches erythermal curve.
  • Ambient light sensor.

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Full PDF Text Transcription for SI1133 (Reference)

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Si1133 Data Sheet UV Index/Ambient Light Sensor IC with I2C Interface The Si1133 is a UV Index Sensor and Ambient Light Sensor with I2C digital interface and programmable...

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r and Ambient Light Sensor with I2C digital interface and programmable-event interrupt output. This sensor IC includes dual 23-bit analog-to-digital converters, integrated high-sensitivity array of UV, visible and infrared photodiodes, and digital signal processor. The Si1133 is provided in a 10-lead 2x2 mm DFN package and capable of operation from 1.62 to 3.6 V over the –40 to +85 °C temperature range.