SI1147-M01-GM

Series:	--
Packaging:	Cut Strip
Part Status:	Active
Type:	Ambient, IR, Ultraviolet (UV)
Wavelength:	850nm
Proximity Detection:	Yes
Output Type:	I²C
Voltage - Supply:	1.71 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	10-SMD Module, No Lead
Supplier Device Package:	10-QFN (4.9x2.9)

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Optical Sensors - Ambient Light, IR, UV SensorsOptical sensors provide information about the environment by detecting the energy emitted or reflected from the surfaces of objects. The application field of optical sensors extends from ambient light, infrared (IR), ultraviolet (UV) to high energy radiation. This article will focus on the application field and working principle of the optical sensor SI1147-M01-GM, which is designed for ambient light, infrared, and ultraviolet applications. The SI1147-M01-GM is a light-to-digital converter designed to measure visible light, infrared, and ultraviolet radiation and provide a calibrated digital output that can be read by microcontrollers. It uses a photodiode as the sensing element, which converts incident light to an electrical current, and is packaged in a miniature 3 x 3.5 mm module. The sensor has an integrated filter that provides accurate readings for both visible and IR (infrared) light sources. It is compatible with most I2C-based microcontroller systems and can be easily interfaced with various development boards and systems.The SI1147-M01-GM can measure light intensity in a wide range from 0.25 to 16,000 lux of visible radiation, and up to 600 mW/m^2 of infrared radiation. It can be used for a variety of applications such as ambient light sensing, HVAC control, automatic lighting control, and human presence detection. The ambient light sensing feature of the SI1147-M01-GM is used in cameras, displays, and assistive lighting/illuminance control systems. The infrared sensing feature is used in motion or human presence detection systems and can be used to provide energy saving in lighting applications. The ultraviolet sensing feature is used in skin cancer detection systems and sunburn prevention systems.The working principle of the SI1147-M01-GM is based on a photodiode sensing element, which converts incident light into an electrical current. The integrated filter in the optical sensor allows for accurate readings of both visible and infrared light sources. The sensor also has a photodetector that measures the light intensity and generates a signal output. The signal output is provided to the sensor’s analog-to-digital converter (ADC) which converts the signal into digital information for the microcontroller to interpret. The SI1147-M01-GM has a very low power consumption of typically only 50 μA in active operation mode. This makes it suitable for battery-powered systems that require continuous operation. The device also features a fast response time of 160 μsec and low noise performance. The device also supports I2C mode which allows faster data reading and a higher data rate.The SI1147-M01-GM is one of the most versatile optical sensors available, due to its wide range of applications and working principles. It provides reliable sensing of multiple light sources and can be easily integrated in a number of applications – from ambient light sensing to HVAC control. With its low power consumption, fast response time and low noise performance, the SI1147-M01-GM is an ideal choice for embedded systems and smart devices.

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