SI1142-A11-YM0
Product Overview
- Category: Sensor
- Use: Proximity and ambient light sensor
- Characteristics: High sensitivity, low power consumption
- Package: 10-pin UQFN
- Essence: Provides accurate proximity and ambient light sensing
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Proximity Sensing Range: Up to 100mm
- Ambient Light Sensing Range: 0.01 lux to 64k lux
- Operating Voltage: 1.7V to 3.6V
- Current Consumption: 1.6µA (ambient light sensing), 190µA (proximity sensing)
Detailed Pin Configuration
- Pin 1: VDD
- Pin 2: SDA
- Pin 3: SCL
- Pin 4: INT
- Pin 5: LED_GND
- Pin 6: LED
- Pin 7: GND
- Pin 8: NC
- Pin 9: NC
- Pin 10: NC
Functional Features
- Proximity detection with an integrated IR LED and photodiode
- Ambient light sensing with a UV and IR blocking filter
- I2C communication interface for easy integration
Advantages and Disadvantages
- Advantages:
- Low power consumption
- Accurate proximity and ambient light sensing
- Small form factor
- Disadvantages:
- Limited proximity sensing range
Working Principles
The SI1142-A11-YM0 operates by emitting infrared light and measuring the reflection to detect proximity. For ambient light sensing, it utilizes a UV and IR blocking filter to accurately measure the light intensity.
Detailed Application Field Plans
This sensor is ideal for applications such as: - Mobile devices for automatic display brightness adjustment - Wearable devices for gesture recognition - Proximity detection in industrial automation
Detailed and Complete Alternative Models
- SI1143-A12-YM0: Similar to SI1142 but with additional gesture sensing capabilities
- APDS-9930: Proximity and ambient light sensor with I2C interface
In conclusion, the SI1142-A11-YM0 is a versatile sensor suitable for various proximity and ambient light sensing applications, offering high sensitivity and low power consumption.
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10个与SI1142-A11-YM0在技术解决方案中的应用相关的常见问题及解答
What is the SI1142-A11-YM0?
- The SI1142-A11-YM0 is a low-power, reflectance-based infrared proximity and ambient light sensor with I2C digital interface.
How does the SI1142-A11-YM0 work?
- It works by emitting infrared light and measuring the reflection to detect the presence of objects and ambient light levels.
What are the typical applications of the SI1142-A11-YM0?
- It is commonly used in applications such as touchless switches, proximity sensing, gesture recognition, and ambient light sensing in various electronic devices.
What is the operating voltage range of the SI1142-A11-YM0?
- The operating voltage range is typically 1.7V to 3.6V.
Can the SI1142-A11-YM0 be used for gesture recognition?
- Yes, it can be used for gesture recognition by detecting changes in the reflected infrared light patterns.
Is the SI1142-A11-YM0 suitable for battery-powered devices?
- Yes, it is suitable for battery-powered devices due to its low-power operation.
What is the output format of the SI1142-A11-YM0?
- The output is provided in digital format through an I2C interface.
Does the SI1142-A11-YM0 have built-in ambient light cancellation?
- Yes, it has built-in ambient light cancellation to improve accuracy in varying lighting conditions.
What is the maximum detection range of the SI1142-A11-YM0?
- The maximum detection range is typically up to several centimeters for proximity sensing.
Are there any specific considerations for integrating the SI1142-A11-YM0 into a design?
- Designers should consider factors such as placement for optimal sensing, power supply stability, and proper I2C communication setup for seamless integration.