SB140M1
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.
Characteristics
- Dimensions 2mm x 2.66mm x 0.75mm
- 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
Applications
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