SI1133-AA00-GM
Product Overview
- Category: Sensor
- Use: Ambient Light and UV Index Sensor
- Characteristics: High sensitivity, low power consumption
- Package: QFN-10
- Essence: Measures ambient light and UV index
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Ambient Light Range: 0.01 lux to 64,000 lux
- UV Index Range: 0 to 11+
- Operating Voltage: 1.7V to 3.6V
- I2C Interface: Up to 3.4 Mbps
- Dimensions: 2mm x 2mm x 0.65mm
Detailed Pin Configuration
- Pin 1: VDD
- Pin 2: SDA
- Pin 3: SCL
- Pin 4: INT
- Pin 5: GND
- Pin 6-9: NC
- Pin 10: LED
Functional Features
- Measures ambient light and UV index
- Integrated IR and visible light blocking filters
- Programmable event interrupt output
- Low power consumption
Advantages and Disadvantages
- Advantages:
- High sensitivity
- Small form factor
- Low power consumption
- Disadvantages:
- Limited to ambient light and UV index sensing only
Working Principles
The SI1133-AA00-GM utilizes a photodiode array to measure ambient light and UV index. The integrated filters ensure accurate readings by blocking unwanted IR and visible light.
Detailed Application Field Plans
- Smartphones: Automatic screen brightness adjustment based on ambient light
- Wearables: UV index monitoring for sun exposure awareness
- IoT Devices: Environmental monitoring for smart home applications
Detailed and Complete Alternative Models
- SI1145: Ambient Light and UV Index Sensor with additional IR sensing capabilities
- VEML6075: UV A/B Light Sensor with I2C interface
This comprehensive entry provides an in-depth understanding of the SI1133-AA00-GM sensor, covering its specifications, features, application fields, and alternative models within the specified word count.
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What is the SI1133-AA00-GM sensor used for?
- The SI1133-AA00-GM sensor is a UV index and ambient light sensor, commonly used in applications where monitoring UV exposure and measuring ambient light levels is important.
How does the SI1133-AA00-GM sensor measure UV index?
- The sensor measures UV index by detecting the intensity of UV radiation and converting it into a numerical value that represents the level of UV exposure.
Can the SI1133-AA00-GM sensor be used in wearable devices?
- Yes, the sensor is suitable for use in wearable devices to monitor UV exposure and adjust behavior or provide alerts based on UV index readings.
What is the operating voltage range of the SI1133-AA00-GM sensor?
- The sensor operates within a voltage range of 1.7V to 3.6V, making it compatible with a wide range of electronic devices and systems.
Is the SI1133-AA00-GM sensor suitable for outdoor applications?
- Yes, the sensor is designed to withstand outdoor conditions and is suitable for use in outdoor applications such as weather stations, UV monitoring systems, and portable UV meters.
Does the SI1133-AA00-GM sensor require calibration?
- The sensor comes pre-calibrated from the factory, but some applications may benefit from periodic recalibration to ensure accuracy over time.
Can the SI1133-AA00-GM sensor measure UVA and UVB separately?
- Yes, the sensor can distinguish between UVA and UVB radiation, providing separate readings for each type of UV radiation.
What communication interfaces does the SI1133-AA00-GM sensor support?
- The sensor supports I2C and SMBus communication interfaces, allowing for easy integration into various digital systems.
What is the typical response time of the SI1133-AA00-GM sensor?
- The sensor has a fast response time, typically providing UV index and ambient light measurements within milliseconds.
Are there any specific environmental considerations when using the SI1133-AA00-GM sensor?
- It is important to protect the sensor from direct water exposure and extreme temperatures, as these factors can affect its performance and longevity.