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Healthcare sensor ICs use current or optics to sense the human body’s vital signs. Typically, these biosensors condition the signal and send it to a microprocessor for storage, calculation, or display by a health monitoring device.

Our healthcare sensor solutions are ideal for portable medical and wellness applications, as well as wearable medical and fitness applications. Low-power operation fosters longer battery life. These highly integrated sensor ICs reduce the total solution chip count by including analog front-ends (AFEs), ADCs, and ESD/EMI protection circuitry with key features such as:

  • Clinical-grade performance for temperature and ECG measurements
  • High dynamic range AFEs with low SNR
  • Complete optical modules for a variety of applications
  • Built-in algorithms

Wearable Temperature Sensor ICs

Maxim’s wearable temperature sensor ICs offer clinical-grade accuracy, lowest power draw, smalle...

Biopotential Sensor ICs

Maxim’s biopotential sensor ICs deliver highly integrated analog front-end (AFE) solutions for c...

Optical Health Sensors

Maxim’s optical sensor solutions include small, highly integrated optical modules, high SNR AFEs...

Electrochemical Sensor AFE ICs

Learn about Maxim’s ultra-low-power electrochemical sensor AFE ICs, suitable for use in continuo...

Featured Videos


Health Sensor Platform 3.0
4:57 October 26, 2020


Temperature Sensing Solution
4:33 August 24, 2021


Introducing the MAX-HEALTH-BAND Heart Rate and Activity Monitor
7:58 June 22, 2018


Introducing the MAX-ECG-MONITOR Wearable ECG and Heart Monitor
5:17 June 22, 2018

Featured Products

MAXM86146 Complete Optical Biosensing Module with Ultra-Low-Power Biometric Sensor Hub

MAXM86146 Complete Optical Biosensing Module with Ultra-Low-Power Biometric Sensor Hub

The MAXM86146 is the world’s smallest highly-integrated, optical data acquisition system. It com...
  • Complete Biometric Sensor Hub
    • Supports Simultaneous Wrist-Based Pulse Heart Rate (WHRM) and Pulse Blood Oxygen Saturation (WSpO2) Measurements
    • Integrated MAX86141 Dual-Channel Optical AFE
    • Integrated MAX32664C Arm® Cortex®-M4 based MCU
    • Two Integrated 3.8mm2 PIN Photodiodes
      • Can Operate Independently (Two Channels)
      • Can Be Combined to Give a Total Radiant Area of 7.6mm2 for Additional Flexibility
    • Excellent SNR Enables Measurements on a Wide Range of Users
      • Dynamic Range > 90dB in White Card Loop- Back Test (Sample-to-Sample Variance)
      • Dynamic Range Extendable to > 104dB for SpO2 and > 110dB for HRM with Multiple Sample Modes and On-Chip Averaging
    • Convenient Solution Enables Faster Time-to-Market
    • Ultra-Small 4.5mm x 4.1mm x 0.88mm, 38-Pin OLGA Package Size
  • World-Class Algorithm for Wearable Applications
    • Supports Multiple Accelerometer Options to Allow Robust Detection and Rejection of Motion Artifacts
    • Both Raw and Processed Data are Available
    • FIFO Provides Minimal Host Interaction
    • Ultra-Low Power for Body Wearable Devices
      • AFE Only Requires 10μA Typical at 25sps
      • MCU Supports Deep-Sleep Mode, Allowing Device to Sleep Between Measurements.
      • Automatic Exposure Control (AEC) Algorithm Adjusts the Optical AFE Settings, Maximizing SNR while Minimizing Power Consumption
MAXM86161 Single-Supply Integrated Optical Module for HR and SpO<sub>2</sub> Measurement

MAXM86161 Single-Supply Integrated Optical Module for HR and SpO2 Measurement

The MAXM86161 is an ultra-low-power, completely integrated, optical data-acquisition system. On ...
  • Complete Single-Channel Optical Data Acquisition System
  • Built-In Algorithm Further Enhances Rejection of Fast Ambient Transients
  • Optimized Architecture for Reflective Heart Rate and SpO2 Monitoring
  • Low Dark Current Noise of < 50pA RMS (Sample-to-Sample Variance)
  • Lower Effective Dark Current Noise Achievable through Multiple Sample Modes and On-Chip Averaging
  • High-Resolution 19-bit Charge Integrating ADC
  • Three Low-Noise 8-Bit LED Current DACs
  • Excellent Dynamic Range > 89dB in White Card Loop-Back Test (Sample-to-Sample Variance)
  • Excellent Ambient Range and Rejection Capability
    • > 100μA Ambient Photodetector Current
    • > 70dB Ambient Rejection at 120Hz
  • Ultra-Low-Power Operation for Wearable Devices
    • Low-Power Operation, Optical Readout Channel < 10μA, Typical at 25sps
    • Short Exposure Integration Period of 14.8μs, 29.4μs, 58.7μs, 117.3μs
    • Low Shutdown Current = 1.6μA (typ)
  • Miniature 2.9mm x 4.3mm x 1.4mm, 14-pin OLGA Package
  • -40°C to +85°C Operating Temperature Range

Reference Designs

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MAXREFDES220

Quickly prototype designs that measure finger-based heart rate and SpO2 .
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MAXREFDES104#: Health Sensor Platform 3.0

Enables quick evaluation of our portfolio of wearable products to significantly shorten the deve...
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MAXREFDES103#: Health Sensor Band

Demonstrates the high sensitivity and algorithm processing functions of health-sensing applicati...
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MAX30134EVSYS

Provides a single platform to evaluate DC current and EIS measurement capabilities.
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MAXM86161EVSYS

Allows quick evaluation of the MAXM86161 integrated optical module for applications at various s...
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MAX30208EVSYS

Provides a single platform to evaluate the MAX30208 temperature sensor with ±0.1°C accuracy.
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MAX30205EVSYS

Includes USB-to-I2C controller and GUI program to simplify evaluation
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MAX86140EVSYS

Allows flexible configurations to optimize measurement signal quality with minimal power consump...
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MAX30001EVSYS

Offers several configurations to enable a variety of measurements including ECG, BioZ and Pace D...