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Ambient Light And Proximity Sensor With Integrated Infrared Emitter And I2C Interface For Smart Detection Applications
The VCNL4040M3OE-H3 is a highly integrated ambient light and proximity sensor that combines a proximity sensor, ambient light sensor, and high-power infrared emitter into a compact SMD-8 package. Built using advanced CMOS technology, the device integrates photodiodes, amplifiers, and analog-to-digital conversion circuitry into a single chip, providing accurate ambient light measurement and reliable proximity detection while reducing board space requirements. The 16-bit high-resolution ambient light sensor delivers excellent performance across a wide range of lighting conditions, making it suitable for both dark and high-transparency lens designs.
The sensor features intelligent proximity-sensing technology, including crosstalk cancellation, smart persistence filtering, and active force mode for single-shot measurements. Vishay's patented Filtron technology closely matches the spectral response of the human eye while providing superior ambient light rejection, including direct sunlight immunity. Integrated temperature compensation ensures stable operation across varying environmental conditions. With an I2C SMBus-compatible interface and programmable interrupt thresholds, the VCNL4040M3OE-H3 is ideal for mobile devices, smart home products, industrial equipment, and battery-powered applications.
Key Features
- Integrated Ambient Light And Proximity Sensor: Combines ALS, proximity sensing, and infrared emitter in one package.
- 16-Bit Ambient Light Resolution: High-accuracy light measurement for brightness control.
- Integrated High-Power IRED: Reliable infrared proximity detection.
- Filtron Technology: Spectral response closely matches the human eye.
- Excellent Sunlight Rejection: Superior ambient light cancellation capability.
- Intelligent Crosstalk Cancellation: Minimizes false proximity detections.
- Smart Persistence Filtering: Improves detection accuracy while maintaining fast response.
- Active Force Mode: Supports single-shot measurements for lower power consumption.
- Programmable Interrupt Thresholds: Independent high and low threshold settings for ALS and proximity sensing.
- Integrated Temperature Compensation: Stable output across changing temperatures.
- I2C SMBus Compatible Interface: Simple communication with embedded systems.
- Low Operating Voltage: Operates from 2.5 V to 3.6 V.
- Compact SMD-8 Package: Suitable for miniature electronic designs.
- Pb-Free Construction: Environmentally compliant package.
Applications
- Smartphone proximity sensing
- Automatic display brightness control
- Touchless user interfaces
- Smart home devices
- Wearable electronics
- Tablet and laptop sensing
- Occupancy detection systems
- Industrial automation equipment
- Consumer electronics
- IoT devices
- Gesture sensing systems
- Battery-powered products
