APDS-9101-L21
Product Overview
Category
The APDS-9101-L21 belongs to the category of ambient light sensors.
Use
It is used for detecting and measuring the ambient light intensity in various electronic devices and systems.
Characteristics
- High sensitivity
- Wide dynamic range
- Low power consumption
- Small package size
Package
The sensor comes in a small, surface-mount package.
Essence
The essence of the APDS-9101-L21 lies in its ability to provide accurate ambient light sensing for a wide range of applications.
Packaging/Quantity
The sensor is typically packaged in reels and is available in varying quantities based on customer requirements.
Specifications
- Operating Voltage: 2.5V to 3.6V
- Output Type: Digital (I2C Interface)
- Operating Temperature Range: -40°C to 85°C
- Sensing Range: 0.01 lux to 83k lux
Detailed Pin Configuration
The APDS-9101-L21 has a standard pin configuration with specific pins designated for power, ground, and I2C communication.
Functional Features
- High sensitivity allows for accurate light detection in various environments.
- I2C interface enables easy integration with microcontrollers and other digital systems.
- Low power consumption makes it suitable for battery-powered devices.
Advantages
- Accurate and reliable ambient light sensing.
- Wide operating temperature range allows for use in diverse environmental conditions.
- Small package size facilitates integration into compact designs.
Disadvantages
- Limited sensing range compared to some other ambient light sensors.
- Requires digital interface capability in the host system.
Working Principles
The APDS-9101-L21 operates based on the principle of photoelectric effect, where incident light photons generate electron-hole pairs in the semiconductor material, leading to a measurable change in current or voltage output.
Detailed Application Field Plans
The sensor is well-suited for use in: - Mobile devices for automatic display brightness adjustment. - IoT devices for adaptive lighting control. - Industrial equipment for ambient light monitoring.
Detailed and Complete Alternative Models
Some alternative models to the APDS-9101-L21 include: - APDS-9300: Offers extended sensing range and analog output. - TSL2561: Provides high-resolution digital output and advanced light sensing features.
In conclusion, the APDS-9101-L21 ambient light sensor offers high sensitivity and low power consumption, making it an ideal choice for various electronic applications requiring accurate ambient light detection.
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What is APDS-9101-L21?
- APDS-9101-L21 is a digital ambient light sensor with an I2C interface, designed to provide accurate ambient light sensing in various applications.
What is the operating voltage range of APDS-9101-L21?
- The operating voltage range of APDS-9101-L21 is typically 1.7V to 3.6V.
How does APDS-9101-L21 communicate with other devices?
- APDS-9101-L21 communicates with other devices using the I2C (Inter-Integrated Circuit) protocol.
What is the typical output format of APDS-9101-L21?
- The typical output format of APDS-9101-L21 is digital (16-bit resolution) and can be directly read through the I2C interface.
Can APDS-9101-L21 be used in mobile devices?
- Yes, APDS-9101-L21 is suitable for use in mobile devices due to its low power consumption and small form factor.
What is the typical response time of APDS-9101-L21?
- The typical response time of APDS-9101-L21 is fast, typically within a few milliseconds.
Is APDS-9101-L21 suitable for outdoor applications?
- Yes, APDS-9101-L21 is designed to handle a wide range of ambient light conditions, making it suitable for outdoor applications.
Does APDS-9101-L21 have built-in features for adjusting sensitivity?
- Yes, APDS-9101-L21 has built-in features for adjusting sensitivity through its configuration registers.
Can APDS-9101-L21 be used in conjunction with a microcontroller?
- Yes, APDS-9101-L21 can be easily interfaced with a microcontroller through its I2C interface, making it suitable for integration into various technical solutions.
What are some common applications of APDS-9101-L21?
- Common applications of APDS-9101-L21 include display backlight control, automatic brightness adjustment in consumer electronics, and ambient light sensing in industrial automation.