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OPT4001 - Digital Ambient Light Sensor

General Description

The OPT4001 is a light-to-digital sensor (single chip lux meter) that measures the intensity of visible light.

The spectral response of the sensor tightly matches the photopic response of the human eye.

Key Features

  • High precision, high speed light-to-digital conversion over high speed I2C interface in two package variants.
  • Precision optical filtering to closely match human eye with excellent near infrared (IR) rejection.
  • Semi-logarithmic output with 9 binary logarithmic full-scale light range and highly linear response within each range.
  • Built-in automatic full-scale light range selection logic, which switches measurement range based on input light condition with excell.

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Other Datasheets by Texas Instruments

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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OPT4001 SBOS993A – DECEMBER 2021 – REVISED DECEMBER 2022 OPT4001 High Speed, High Precision, Digital Ambient Light Sensor 1 Features • High precision, high speed light-to-digital conversion over high speed I2C interface in two package variants • Precision optical filtering to closely match human eye with excellent near infrared (IR) rejection • Semi-logarithmic output with 9 binary logarithmic full-scale light range and highly linear response within each range • Built-in automatic full-scale light range selection logic, which switches measurement range based on input light condition with excellent gain matching between ranges • 28 bits of effective dynamic range from – 312.5 μlux to 83 klux for PicoStar™ package variant – 437.