The SB140M1 is a PPG module integrating our SB140 sensor that enables high-fidelity PPG signal sensing with an ultra-low power consumption and 3 LEDs, green, red and IR.



  • Dimensions 2.515mm x 2.935mm x 0.755mm
  • SB140 sensor
    • Photosensitive pixel array (2x32x32 pixels)
    • High quantum efficiency (QE) of >85%
    • Analog Front-End (AFE) for PPG applications
    • Integrated analogue-domain ambient light cancellation
    • Proximity Detection
    • Analog-to-Digital Conversion (ADC) with variable resolution up to 18 bits
    • 3 fully programmable LED drivers for applications such as oximetry
    • Internal and external clocking options
    • Autonomous sampling frequencies from 8 to 128 Hz
    • FIFO depth from 1 to 128 words
    • I²C interface up to 1 MHz
    • over 90db SNR for DC light sensing
    • µA level consumption
  • Green LED
  • Red LED
  • IR LED


Measure of Heart rate, Blood oximetry (SpO2), Inter-beat interval, Heart Rate Variability, Respiration Rate and Blood Pressure to be used in:

  • Hearing aids
  • Earbuds
  • Smart rings
  • Wrist fitness and activity monitors
  • Smartwatches
  • Smartphones