OPT4001-Q1 Datasheet | Texas Instruments

Features - AEC-Q100 qualified for automotive applications: - Temperature grade 2: - 40°C to +105°C, TA - Functional Safety-Capable - Documentation available to aid functional safety system design - High-precision, high-speed light-to-digital conversion over high-speed I2C interface - Precision optical filtering closely matches human eye with excellent near infrared (IR) rejection - Semi-logarithmic output: - Nine binary logarithmic full-scale light range - Highly linear response within each range - Built-in automatic full-scale light range selection logic, which switches measurement range based on input light condition for best possible resolution at all times - 28 bits of effective dynamic range: - 400 μlux to 107 klux - 12 configurable conversion times: - 600 μs to 800 ms for high-speed and highprecision applications - External pin interrupt for hardware-synchronized trigger and interrupts - Error correction code features for improved reliability in automotive use cases - Internal FIFO for output registers with I2C burst readout - Low operating current: 30 μA - Ultra-low power standby: 2 μA - Operating temperature range: - 40°C to +105°C - Wide power-supply range: 1.6 V to 3.6 V - 5.5-V tolerant I/O pins - Selectable I2C address - Small-form factor: 2 mm × 2 mm × 0.65 mm Dark Glass Accurate light intensity (lux) I2C OPT4001-Q1 Typical Application Diagram 2 Applications - Automotive interior and exterior lighting - Infotainment and cluster - Electrochromatic and smart mirrors - Wiper modules - Head-up display systems - Automotive camera systems 3 Description The OPT4001-Q1 is a light-to-digital sensor (single chip lux meter) that measures the intensity of visible light. To measure accurate light intensity, a specially engineered filter on the device tightly matches the photopic response of the human eye and rejects the near-infrared ponent from mon light sources. The output of OPT4001-Q1 is semi-logarithmic with nine binary logarithmic full-scale...