VCNL4200-SB

VCNL4200 integrates a high sensitivity long distance proximity sensor (PS), ambient light sensor (ALS), and 940nm 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. For the 12-bit / 16bit 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.

• Integrated modules: infrared emitter (IRED), ambient light sensor (ALS), proximity sensor (PS), and signal conditioning IC
• Operates ALS and PS in parallel structure
• Filtron technology adoption for robust background light cancellation
• Supports low transmittance (dark) lens design
• Low power consumption I2C (SMBus compatible) interface
• Output type: I2C bus (ALS / PS)
• <bold>Proximity Function:</bold>
• 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
• <bold>Ambient Light Function:</bold>
• Fluorescent light flicker immunity
• Spectrum close to real human eye responses
• Selectable maximum detection range (197/393/786/1573) lux with highest sensitivity 0.003lux/step

Anwendungen

Sicherheit