Vishay VCNL4020C-GS08 Ambient Light & Proximity Bio Sensor Module - I2C Interface
The Vishay VCNL4020C-GS08 is a fully integrated biosensor module combining ambient light sensing and proximity detection with an integrated infrared emitter. It communicates via a standard I2C interface (1.7V to 5V logic compatible) and is designed for integration into wearable health monitors, pulse oximeters, and proximity-sensing applications.
Features
- Integrated biosensor with ambient light (0.25 to 16,383 lux) and proximity sensing.
- Built-in infrared LED emitter with programmable drive current (10mA to 200mA).
- Standard I2C digital interface with interrupt function for efficient system control.
- 16-bit effective resolution for excellent ambient light suppression and crosstalk immunity.
- Compact SMD package (4.90 x 2.40 x 0.83 mm) for space-constrained wearable designs.
Out of stock
The VCNL4020C-GS08 from Vishay is a monolithic sensor module that integrates a photodiode, a signal processing IC, and an infrared emitter into a single surface-mount package. It utilizes modulated signal processing for superior ambient light suppression, making it highly reliable for biomedical sensing in variable lighting conditions. The device offers 16-bit effective resolution, ensuring precise measurement of both ambient light levels and reflected infrared signals for proximity or biosensing applications.
Operating from a 2.5V to 3.6V supply, the module features a flexible I2C communication bus that supports logic levels from 1.7V to 5V, ensuring broad compatibility with microcontrollers like those from STM32, ESP32, and Raspberry Pi Pico. Its programmable IR LED current allows optimization for different sensing ranges and power consumption profiles, which is critical for battery-powered wearable and portable health monitoring devices.
Additional Information
| Weight | 0.04 kg |
|---|---|
| Dimensions | 0.49 × 0.24 × 0.083 cm |
