Vishay VCNL4200 high sensitivity proximity sensor

VCNL4200 is a new high sensitivity proximity and ambient light sensor that combines long distance proximity detection up to 1.5 m with Filtron technology in a compact 8 mm by 3 mm by 1.8 mm surface-mount package.

Key features

• Long distance proximity detection up to 1.5 m
• Features Filtron technology
• Enables ambient light spectral sensitivity - human eye
• Offers excellent background light cancellation capabilities

Additional features

• Compact 8 mm by 3 mm by 1.8 mm 10-pin QFN package
• Combines photo detectors for proximity and ambient light and a high power IR emitter
• Integrated signal conditioning IC and a 12-bit / 16-bit ADC
• Interrupt function
• Supports I²C bus communication interface
• Ambient light photo diode offers detection from 0.003 lx to 1.57 klx
• Fluorescent light flicker immunity
• Excellent temperature compensation from -40 °C to +85 °C
• Proximity sensor uses intelligent cancellation to eliminate cross-talk
• Smart persistence scheme ensures accurate sensing and faster response time
• Emitter wavelength peaks at 940 nm and has no visible “red-tail”
• Supply voltage range of 2.5 V to 3.6 V
• I²C bus voltage range from 1.8 V to 3.6 V
• RoHS-compliant, halogen-free, and Vishay Green

Applications

• Presence detection to activate displays
• Collision detection in robots and toys
• Proximity sensing and lighting control
• Parking space availability in lots and garages
• Proximity detection in lavatory appliances