The VCNL36825T integrates a proximity sensor (PS), and a VCSEL into one small package

The VCNL36825T integrates a proximity sensor (PS), and a VCSEL into one small package. It incorporates photodiodes, amplifiers, and analog to digital converting circuits into a single chip by CMOS process.

Optoelectronics January 21, 2021 by mixos

The VCNL36825T integrates a proximity sensor (PS), and a VCSEL into one small package. It incorporates photodiodes, amplifiers, and analog to digital converting circuits into a single chip by CMOS process. PS programmable interrupt features of individual high and low thresholds offers the best utilization of resource and power saving on the microcontroller.

Key features

Integrated modules: VCSEL, proximity sensor (PS), and signal conditioning IC
Low power consumption I2C (SMBus compatible interface)
1.6 mm single hole opening design
Temperature compensation: -40 °C to +85 °C

Additional features

Package type: surface-mount
Dimensions (L x W x H in mm): 2.0 x 1.25 x 0.5
Integrated modules:
- Vertical-cavity surface-emitting laser (VCSEL)
- Proximity sensor (PS)
- Signal conditioning IC
Interrupt function
1.6 mm single hole opening design
Supply voltage range VDD: 2.64 V to 3.6 V
Low power consumption I2C (SMBus compatible interface)
Interface: I²C bus
Temperature compensation: -40 to +85 °C
Floor life: 168 h, MSL 3, according to J-STD-020
Proximity functions:
- Immunity to red glow (940 nm IRED)
- Programmable IVCSEL sink current
- Intelligent cancellation to reduce cross-talk phenomenon
- Smart persistence scheme to reduce PS response time
- Low power consumption mode
- Sunlight cancellation up to 100 klx
Interrupt:
- Programmable interrupt function for PS with upper and lower thresholds
- Adjustable persistence to prevent false triggers for PS