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OPT4041DTSR: High-speed dual-channel high-precision digital ambient light sensor, SOT-5X3-8

Model: OPT4041DTSR

Package: SOT-5X3-8

Type: Optical sensor

The OPT4041DTSR is a light-to-digital sensor (single-chip luxmeter) for measuring visible light intensity across two independent channels. It features a semi-logarithmic output with binary logarithmic full-scale illuminance ranges, each exhibiting highly linear response. The visible light channel provides 9 binary illuminance ranges, covering a measurement span from 585 µlux to 157 klux with a 28-bit effective dynamic range. The broadband channel offers 7 illuminance ranges, spanning from 192.3 pW/cm² to 12.91 mW/cm² with a 26-bit effective dynamic range.

OPT4041DTSR Product Features:

High-precision, high-speed optical-to-digital conversion via high-speed I²C interface

Visible Light Channel:

Precision optical filtering closely matched to human vision with excellent near-infrared (IR) rejection

28-bit effective dynamic range: 585µlux to 157klux

Broadband Channel:

Responsive to a wide range of wavelengths including NIR

26-bit effective dynamic range: 192.3 pW/cm² to 12.91 mW/cm²

Semi-logarithmic output:

9-bit (visible channel) and 7-bit (WB channel) binary logarithmic full-scale illuminance range

Highly linear response within each range

Integrated automatic full-scale illuminance range selection logic switches measurement range based on input light conditions, ensuring consistently excellent resolution

12 configurable conversion times:

600µs to 800ms per channel, suitable for high-speed and high-precision applications

External pin interrupts for hardware synchronous triggering and interrupts

Internal FIFO with I²C burst readout for output registers

Low operating current: 30µA with ultra-low standby power consumption: 2µA

Operating temperature range: -40°C to +85°C

Wide supply voltage range: 1.6V to 3.6V

I/O pins withstand 5.5V voltage

Selectable I²C address

Compact form factor:

2.1mm × 1.9mm × 0.6mm SOT-5X3 package

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