Details, datasheet, quote on part number: VCNL4200
PartVCNL4200
Category
TitleSENS AMBIENT W/PROX I2C SMD
Description
CompanyVishay Semiconductor Opto Division
DatasheetDownload VCNL4200 datasheet
  
VCNL4200 photo

 

Features, Applications

High Sensitivity Long Distance Proximity and Ambient Light Sensor With I2C Interface
FEATURES

Package type: surface-mount Dimensions (L in mm): 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 background light cancellation for robust

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 / 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. technology achieves The adoption of the patented 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 3.6 V. FiltronTM

Temperature compensation: 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: 3.6 V Material categorization: for definitions of compliance please see www.vishay.com/doc?99912

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

Fluorescent light flicker immunity Spectrum close to real human eye responses Selectable maximum detection range lux with highest sensitivity 0.003 lux/step

Programmable interrupt function for ALS and PS with upper and lower thresholds
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

Document Number: 84430 1 For technical questions, contact: sensorstechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

AMBIENT LIGHT RANGE (lx) to 1573 AMBIENT ADC RESOLUTION LIGHT OUTPUT PROXIMITY / RESOLUTION CODE AMBIENT LIGHT (lx) 0.003 16 bit, I2C 12 bit / 16 bit

PART NUMBER VCNL4200 OPERATING RANGE (mm) to 1500 OPERATING I2C BUS IRED PULSE VOLTAGE CURRENT RANGE (mA) (V) 800 (1)

Note (1) Maximum allowed current for VCNL4200 internal IRED
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 C, unless otherwise specified)

PARAMETER Supply voltage Operation temperature range Storage temperature range TEST CONDITION SYMBOL VDD Tamb Tstg MIN. -40 MAX. +85 +100 UNIT V C

RECOMMENDED OPERATING CONDITIONS (Tamb = 25 C, unless otherwise specified)

PARAMETER Supply voltage Operation temperature range I2C bus operating frequency TEST CONDITION SYMBOL VDD Tamb f(I2CCLK) MIN. -40 10 MAX. +85 400 UNIT V C kHz

PIN ASSIGNMENT SYMBOL GND LED_CATHODE VDD NC LEDLED+ NC INT SDAT SCLK TYPE (open drain) I FUNCTION Ground IRED cathode connection Power supply input No connection IRED cathode IRED anode No connection Interrupt pin I2C data bus data input / output I2C digital bus clock input

Document Number: 84430 2 For technical questions, contact: sensorstechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

BASIC CHARACTERISTICS (Tamb = 25 C, unless otherwise specified)

PARAMETER Supply voltage Supply voltage for IRED Supply current Shutdown current ALS shut down PS shut down Logic high I2C signal input Logic low Logic high Logic low Peak sensitivity wavelength of ALS Peak sensitivity wavelength of PS Full ALS counts Full PS counts Minimum Detectable intensity Maximum ALS dark offset Operating temperature range IRED driving current

Excluded LED driving Light condition = dark, VDD 3.3 V ALS disable, PS enable ALS enable, PS disable VDD 3.3 V VDD 2.6 V

16-bit resolution / 16-bit resolution = 400 ms, VDD V, 1 step = 50 ms, VDD 65 535 steps = 50 ms, VDD 3.3 V, normal sensitivity (1) Tamb

Notes (1) Light source: white LED (2) Maximum detection range to ambient light can be determined by ALS refresh time adjustment. Refer to table 17 "ALS Resolution and Maximum Detection Range" (3) Based on IRED on / off duty ratio and 1/1280. The circuitry should use an external MOSFET as shown with Fig.11. Please see also the Application Note "Designing the VCNL4200 into an Application" (www.vishay.com/doc?84327)

Document Number: 84430 3 For technical questions, contact: sensorstechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000


 

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