VCNL4020 Overview
The VCNL4020 is a fully integrated proximity and ambient light sensor. Fully integrated means that the infrared emitter is included in the package. It has 16 bit resolution.
VCNL4020 Key Features
- Package type: surface mount
- Dimensions (L x W x H in mm): 4.90 x 2.40 x 0.83
- Integrated infrared emitter, ambient light sensor, proximity sensor, and signal conditioning IC
- Interrupt function
- Supply voltage range VDD: 2.5 V to 3.6 V
- Supply voltage range IR anode: 2.5 V to 5 V
- munication via I2C interface
- I2C Bus H-level range: 1.7 V to 5 V
- Floor life: 72 h, MSL 4, acc. J-STD-020
- Low stand by current consumption: 1.5 μA
VCNL4020 Applications
- Proximity sensor for mobile devices (e.g. smart phones, touch phones, PDA, GPS) for touch screen locking, power saving, etc
- Integrated ambient light function for display/keypad contrast control and dimming of mobile devices
- Proximity/optical switch for consumer, puting and industrial devices and displays
- Dimming control for consumer, puting and industrial displays
- Built-in ambient light photo-pin-diode close-to-human-eye sensitivity
- 16 bit dynamic range from 0.25 lx to 16 klx
- 100 Hz and 120 Hz flicker noise rejection with