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Biopotential sensor ICs provide electrocardiogram (ECG) waveforms, heart rate/pacemaker edge detection, and bioimpedance (BioZ) measurements with clinical-grade accuracy (IEC 60601-2-47).

Our biopotential sensors deliver highly integrated analog front-end (AFE) solutions for complete ECG and BioZ recordings while consuming the lowest power. Typical applications include cardiac health monitoring, heart-rate monitoring, arrhythmia detection, stress test applications, and respiration monitoring. Wafer-level packages (WLPs) support small form factors in wearable applications such as medical patches, wrist-worn devices, and chest-strap heart-rate monitors.

Key Features Include:

  • Low-power operation for continuous monitoring
  • Integrated ECG, bioimpedance, PACE detect and R-R algorithm
  • Small-size solutions, with pin-compatible packages
  • Clinical-grade measurement (meets IEC60601-2-47)

Featured Videos


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


How to Measure Bioimpedance (Bio-Z) with the MAX30001EVSYS
3:43 March 05, 2018


Make High-Accuracy Biopotential and BioZ Measurements with MAX30001
3:52 November 16, 2017

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Featured Products

MAX30001 Ultra-Low-Power, Single-Channel IntegratedBiopotential (ECG, R-to-R, and Pace Detection)and Bioimpedance (BioZ) AFE

MAX30001 Ultra-Low-Power, Single-Channel IntegratedBiopotential (ECG, R-to-R, and Pace Detection)and Bioimpedance (BioZ) AFE

The MAX30001 is a complete, biopotential and bioimpedance (BioZ), analog front-end (AFE) solutio...
  • Can be Used in IEC 60601-2-47:2012 Compliant Systems
  • Clinical-Grade ECG AFE with High-Resolution Data Converter
    • 15.9 Bits ENOB with 3.1µVPP (typ) Noise for ECG
    • 17 Bits ENOB with 1.1µVPP Noise for BioZ
  • Better Dry Starts Due to Much Improved Real World CMRR and High Input Impedance
    • Fully Differential Input Structure with CMRR > 100dB
  • Offers Better Common-Mode to Differential Mode Conversion Due to High Input Impedance
  • High Input Impedance > 1GΩ for Extremely Low Common-to-Differential Mode
  • Minimum Signal Attenuation at the Input During Dry Start Due to High Electrode Impedance
  • High DC Offset Range of ±650mV (1.8V, typ) Allows to Be Used with Wide Variety of Electrodes
  • High AC Dynamic Range of 65mVP-P or ECG and 90mVP-P for BioZ Will Help Prevent Saturation in the Presence of Motion/Direct Electrode Hits
  • Longer Battery Life Compared to Competing Solutions
    • 85µW at 1.1V Supply Voltage for ECG
    • 158µW at 1.1V Supply Voltage for BioZ
  • Leads-On Interrupt Feature Allows to Keep the µC in Deep Sleep Mode Until Valid Lead Condition is Detected
    • Lead-On Detect Current: 0.7µA (typ)
  • Built-In Heart Rate Detection with Interrupt Feature Eliminates the Need to Run HR Algorithm on the μController
    • Robust R-R Detection in High Motion Environment at Extremely Low Power
  • Configurable Interrupts Allows the µC Wake Up Only on Every Heart Beat Reducing the Overall System Power
  • High Accuracy Allows for More Physiological Data Extractions
  • 32-Word ECG and 8-Word BioZ FIFOs Allows the MCU to Stay Powered Down for 256ms with Full Data Acquisition
  • High-Speed SPI Interface
  • Shutdown Current of 0.6µA (typ)
MAX30034 Defibrillation/Surge/ESD Protector

MAX30034 Defibrillation/Surge/ESD Protector

The MAX30034 is a patent-pending protection devices intended to (with the help of external, ener...
  • Low Leakage Defibrillation Protection IC Helps ECG Systems
  • Low Capacitance ~ 3pF
  • Low Leakage ~ 20pA @ 70°C
  • Fast Turn-On < 2ns
  • Low On-Voltage 3.9V (typ)
  • High Peak Current in Excess of 4A
  • Withstands Over 100k Defibrillation Pulses Without Failure
  • 0°C to 70°C Temperature Range
  • Small, 3mm X 5mm µMAX® Package
MAX30004 Ultra-Low Power, Single-Channel Integrated Biopotential HR Detection AFE

MAX30004 Ultra-Low Power, Single-Channel Integrated Biopotential HR Detection AFE

The MAX30004 is a complete, biopotential, HR detection analog front-end solution for wearable ap...
  • Heart Rate Detection with Interrupt Feature Eliminates the Need to Extract and Process the ECG Data on the Microcontroller
    • Robust R-R Detection in High Motion Environment at Extremely Low Power
  • Clinical-Grade Biopotential AFE with High-Resolution Data Converter
    • 15.5 Bits Effective Resolution with 5µVP-P Noise
  • Better Dry Starts Due to Much Improved Real World CMRR and High Input Impedance
    • Fully Differential Input Structure with CMRR > 100dB
  • Offers Better Common-Mode to Differential Mode Conversion Due to High Input Impedance
    • High Input Impedance > 500MΩ for Extremely Low Common-to-Differential Mode Conversion
  • Minimum Signal Attenuation at the Input During Dry Start Due to High Electrode Impedance
  • High DC Offset Range of ±650mV (1.8V, typ) Allows to Be Used with Wide Variety of Electrodes
  • High AC Dynamic Range of 65mVP-P Will Help the AFE Not Saturate in the Presence of Motion/Direct Electrode Hits
  • Longer Battery Life Compared to Competing Solutions
    • 85µW at 1.1V Supply Voltage
  • Leads-On Interrupt Feature Keeps µC in Deep Sleep Mode with RTC Off Until Valid Lead Condition is Detected
    • Lead-On Detect Current: 0.7µA (typ)
  • Configurable Interrupts Allows the µC Wake-Up Only on Every Heart Beat Reducing the Overall System Power
  • High-Speed SPI Interface
  • Shutdown Current of 0.5µA (typ)