Analog Devices / Maxim Integrated MAX86171 Optical Pulse Oximeter Heart-Rate Sensors
Description
Analog Devices / Maxim Integrated MAX86171 Optical Pulse Oximeter Heart-Rate Sensors
Analog Devices MAX86171 Optical Pulse Oximeter Heart-Rate Sensors are a complete dual-channel optical data acquisition system. The Analog Devices MAX86171 features ultra-low-power operation for wearable devices with a low-power operation, and an optical readout channel of < 11μa at 25fps. The exposure integration period ranges from 14.6μs to 117.1μs with a low shutdown current of < 1μa.
Features
- Complete dual-channel optical data acquisition system
- Ultra-low-power operation for wearable devices
- Low-power operation, optical readout channel < 11μA at 25fps
- Exposure integration period ranging from 14.6μs to 117.1μs
- Low shutdown current < 1μA
- Excellent top-end dynamic range > 91dB in white card loop-back test (Nyquist sample-to-sample variance)
- Extended dynamic range up to 110dB (averaging and off-chip filtering)
- Supports frame rates from 1fps to 2.9kfps
- High-resolution 19.5-Bit charge integrating ADCs
- Supports four PD inputs for multi-parameter measurements
- Supports nine LED driver output pins generated from three 8-Bit LED current drivers
- Low dark current noise of < 50pA RMS (sample-to-sample variance in 117.1μs integration time)
- Excellent ambient range and rejection capability> 100μA ambient photodetector current
- > 70dB ambient rejection at 120Hz (average mode > 2)
- Miniature 2.78mm x 1.71mm, 7 x 4 0.35mm ball pitch WLP package
- -40°C to +85°C operating temperature range
Applications
- Wearable Devices for Fitness, Wellness, and Medical Applications
- Clinical Accuracy
- Suitable for Wrist, Finger, Ear, and Other Locations
- Optimized Performance to Detect:
- Optical Heart Rate
- Heart Rate Variability
- Oxygen Saturation (SpO2)
- Body Hydration
- Muscle and Tissue Oxygen Saturation (SmO2 and StO2)
- Maximum Oxygen Consumption (VO2 max)
