DESCRIPTION
VCNL4200 integrates a high sensitivity long distance
proximity sensor (PS), ambient light sensor (ALS), and
940 nm IRED into one small package. It incorporates
photodiodes, amplifiers, and analog to digital converting
circuits into a single chip using a CMOS process. The 16-bit
high resolution ALS offers excellent sensing capabilities
with sufficient selections to fulfill most applications whether
a dark or high transparency lens design. VCNL4200 offers
individual programmable high and low threshold interrupt
features for the best utilization of resources and power
saving on the microcontroller. For the 12-bit / 16-bit
proximity sensing function, VCNL4200 has a built-in
intelligent cancellation scheme that eliminates background
light issues. The persistence feature prevents false
judgment of proximity sensing due to ambient light noise.
The adoption of the patented FiltronTM technology achieves
the closest ambient light spectral sensitivity to real human
eye responses. VCNL4200 provides excellent temperature
compensation capability for keeping the output stable under
changing temperature. ALS and PS functions are easily
operated via the simple command format of I2C (SMBus
compatible) interface protocol. Operating voltage ranges
from 2.5 V to 3.6 V.

FEATURES
• Package type: surface-mount
• Dimensions (L x W x H in mm): 8.0 x 3.0 x 1.8
• Integrated modules: infrared emitter (IRED),
ambient light sensor (ALS), proximity sensor
(PS), and signal conditioning IC
• Operates ALS and PS in parallel structure
• FiltronTM technology adoption for robust
background light cancellation
• Supports low transmittance (dark) lens design
• Temperature compensation: -40 °C to +85 °C
• Low power consumption I2C (SMBus compatible)
interface
• Floor life: 168 h, MSL 3, according to J-STD-020
• Output type: I2C bus (ALS / PS)
• Operation voltage: 2.5 V to 3.6 V
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912

PROXIMITY FUNCTION
• Immunity to red glow (940 nm IRED)
• Intelligent background light cancellation
• Smart persistence scheme to reduce PS response time
• Proximity distance up to 1.5 m

AMBIENT LIGHT FUNCTION
• Fluorescent light flicker immunity
• Spectrum close to real human eye responses
• Selectable maximum detection range (197 / 393 / 786 /
1573) lux with highest sensitivity 0.003 lux/step

INTERRUPT
• Programmable interrupt function for ALS and PS with
upper and lower thresholds
• Adjustable persistence to prevent false triggers for ALS
and PS

APPLICATIONS
• Presence detection to activate displays in printers,
copiers, and home appliances
• Collision detection in robots and toys
• Proximity sensing and lighting control in offices, corridors
and public buildings
• Parking space availability in lots and garages
• Proximity detection in lavatory appliances