VCNL36821Swww.vishay.com Vishay Semiconductors
Proximity Sensor With Interrupt, IRED, and I2C Interface FEATURES• Package type: surface-mount • Dimensions (L x W x H in mm): 2.55 x 2.05 x 1.0 • Integrated modules: infrared emitter (IRED), proximity sensor (PS), and signal conditioning IC • Interrupt function • Smallest light hole opening design • Immunity to red glow issue (940 nm) • Supply voltage range VDD: 1.7 V to 3.6 V • Low power consumption I2C (SMBus compatible
ADDITIONAL RESOURCESinterface) • Floor life: 168 h, MSL 3, according to J-STD-020
D 3 3 DDesign Tools Related 3D Models • Output type: I2C bus (PS) Documents • Temperature compensation: -40 °C to +85 °C
DESCRIPTION• Material categorization: for definitions of compliance VCNL36821S integrates a proximity sensor (PS), and a please see www.vishay.com/doc?99912 IRED into one small package. It incorporates photodiodes,
PROXIMITY FUNCTIONamplifiers, and analog to digital converting circuits into a • Immunity to red glow (940 nm IR LED) single chip by CMOS process. PS programmable interrupt • Programmable IR LED sink current features of individual high and low thresholds offer the best utilization of resource and power saving on the • Intelligent cancellation to reduce cross talk phenomenon microcontroller. • Smart persistence scheme to reduce PS response time • Low power consumption mode
APPLICATIONS INTERRUPT• Handheld device • Programmable interrupt function for PS with upper and • Consumer device lower thresholds • Industrial application • Adjustable persistence to prevent false triggers for PS • Earphone
PIN DEFINITION4 5 3 6 2 7 1 8 1 GND 5 LED_A 2 INT 6 VDD 3 NC 7 SDA 4 LED_C 8 SCL
PRODUCT SUMMARY OPERATING OPERATING I2C BUS IRED DRIVING ADC RESOLUTION PART OUTPUT RANGE VOLTAGE RANGE VOLTAGE RANGE CURRENT PROXIMITY / NUMBER CODE (mm) (V) (V) (mA) AMBIENT LIGHTVCNL36821S 300 1.7 to 3.6 1.7 to 3.6 156 12 bit, I2C 12 bit / - Rev. 1.1, 29-Jan-2020
1Document Number: 80150 For technical questions, contact:
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