Near infrared/proximity type sensor


I2C interface-compatible InGaAs photodiode (Built-in LED type)

This reflective sensor houses an InGaAs PIN photodiode and 1.45 µm band LED in a compact package. The LED irradiates infrared light on the target object, and the photodiode signal generated from the reflected light is output digitally through an I2C interface.

- I2C interface
- Low supply voltage: Vdd=2.25 V to 3.63 V
- I2C bus voltage: 1.6 V
- Low current consumption
- Small package (7.7 × 3.1 × 1.0 mm)
- Supports lead-free reflow soldering
- Built-in 16-bit A/D converter
- Built-in LED driver
Package Plastic
Detector InGaAs PIN photodiode
Number of elements 1
Photosensitive area ϕ0.3 mm
Spectral response range 0.9 to 1.7 µm
Peak sensitivity wavelength (typ.) 1.55 µm
Emitter Infrared LED
Emitter area 0.31 × 0.31 mm
Peak emission wavelength (typ.) 1.45 µm
Spectral half width (typ.) 120 nm

Spectral response (photodiode)

Emission spectrum (LED)

Dimensional outline (unit: mm)

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