SI1142-A11-YM0

Series:	--
Part Status:	Obsolete
Type:	IR
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

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The SI1142-A11-YM0 is an optical sensor from the Silicon Labs\' ambient light and infrared (IR) and ultraviolet (UV) sensor family. These sensors are intended for applications that require precision detection of different levels of light, ranging from infrared to ultraviolet. It offers low power consumption, excellent detection accuracy and integrated temperature compensation.

Application Field

The SI1142-A11-YM0 is a versatile sensor for many applications including presence or absence detection, ambient light sensing (ALS), proximity sensing, barcode scanning, and gesture recognition. It is a suitable solution for any applications where ambient light or infrared levels need to be detected with a low power consumption.It is also suitable for applications such as glint tracking, LCD backlight brightness control, lifestyle monitoring, and home automation. In automotive, it can be used for motion sensing, presence detection, night-light sensing, and rearview mirror dimming.

Working Principle

The SI1142-A11-YM0 operates on a patented measurement algorithm from Silicon Labs. With two integrated photodiodes, one of which is exposed to ambient light while the other is exposed to infrared and ultraviolet light, the optical sensor is able to detect a wide range of light levels. The sensor has a very fast response time of around 12 milliseconds and temperature compensation for better accuracy.When the signal is received from the photodiode, it is sent to the output pin of the sensor for processing. This process involves the conversion of the signal from the photodiode into digital data by an analog-to-digital converter (ADC). The digital data is then sent to the output pin of the sensor for further processing.

Conclusion

The SI1142-A11-YM0 optical sensor from Silicon Labs offers a high level of accuracy and low power consumption when it comes to the detection of different ranges of light, from infrared to ultraviolet. It is ideal for a wide variety of applications ranging from presence or absence detection to lifestyle monitoring. The sensor also has a fast response time and temperature compensation, which increases its accuracy.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description