MAX86171

PRODUCTION

Low-Noise AFE for Pulse Oximeter and Heart Rate Monitor

Best-in-Class SNR for Addressing Low Perfusion & New Use Cases

Part Models
2
1ku List Price
Starting From $4.79
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Part Details

  • 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
    • > 200μA Ambient Photodiode 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
MAX86171
Low-Noise AFE for Pulse Oximeter and Heart Rate Monitor
MAX86171: Simplified Block Diagram
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Hardware Ecosystem

Parts Product Life Cycle Description
Optical AFEs 2
MAX86141 PRODUCTION Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor for Wearable Health
MAX86140 PRODUCTION Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor for Wearable Health
Optical Modules 1
MAXM86161 PRODUCTION Single-Supply Integrated Optical Module for HR and SpO2 Measurement
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Tools & Simulations


Reference Designs

MAXREFDES280 - Top View
MAXREFDES280 Circuits from the lab

Low-Noise PPG Sensor Band for Pulse Oximeter and Heart-Rate Monitor

Features and Benefits

Features

  • Quick Evaluation of the MAX86171
  • Supports Configuration Optimization
  • Facilitates Understanding of MAX86171 Architecture and Solution Strategy
  • Real-Time Monitoring
  • Data Logging
  • On-Board Accelerometer
  • Bluetooth® LE
MAXREFDES280
Low-Noise PPG Sensor Band for Pulse Oximeter and Heart-Rate Monitor
MAXREFDES280 - Top View
MAXREFDES280 - Top View
MAXREFDES280 - Bottom View

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