Vishay VCNL4040M3OE Proximity Sensor ALS Ambient Light Sensor
The VCNL4040 from Vishay Intertechnology is a fully integrated optical sensor that combines a proximity sensor (PS), ambient light sensor (ALS), and infrared emitter (IRED) into a compact SMD package.
Designed with advanced CMOS technology, the VCNL4040 delivers high accuracy, low power consumption, and excellent noise immunity, making it ideal for modern consumer electronics and industrial applications.
Technical Specifications
| Parameter | Value |
| Supply Voltage | 2.5 V – 3.6 V |
| I²C Voltage Range | 1.8 V – 3.6 V |
| Proximity Range | Up to 200 mm |
| ALS Resolution | 0.0125 lux |
| ALS Output | 16-bit |
| Proximity Output | 12 / 16-bit |
| IRED Current | Up to 200 mA |
| Operating Temperature | -40°C to +85°C |
| Package Size | 4.0 × 2.0 × 1.1 mm |
Ordering Information (Models)
VCNL4040M3OE – Standard version, Tape & Reel packaging
VCNL4040M3OE-H5 – Optimized for cover glass applications
Applications
The Vishay VCNL4040 is widely used in:
Smartphones (proximity detection, screen-off control)
Tablets & laptops
Consumer electronics
Industrial automation systems
Gesture sensing & touchless control
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