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)

Analog Devices / Maxim Integrated MAX86171 Optical Pulse Oximeter Heart-Rate Sensors

Features

Applications

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