Clinical-Grade AFE from Analog Devices Measures Four Vital Signs for Remote Patient Monitoring Devices
MAX86178 features synchronized measurement of electrocardiogram (ECG), heart rate, SpO₂ and respiration rate

MUNICH, Germany – September 20, 2021 – Simplify the design of wearable remote patient monitoring (RPM) devices by measuring four vital signs with one MAX86178 triple-system vital signs analog front end (AFE) from Analog Devices, Inc. This single-chip AFE integrates three measurement systems (optical, ECG and bio-impedance) to obtain four common vital signs: electrocardiogram (ECG or EKG), heart rate (ECG or optical PPG), blood-oxygen saturation (SpO₂) and respiration rate (using BioZ). The MAX86178 enables synchronized optical PPG and ECG timing for derived health metrics.

Medical device designers are eager to reduce annual healthcare-related expenditures by replacing office-based health monitoring systems with smaller, lower power, wireless devices worn discreetly and continuously in the home or office. With three clinical-grade subsystems integrated into one IC, the MAX86178 triple system AFE replaces discrete implementations by integrating an optical PPG sub-system to measure heart rate and SpO₂, a single lead ECG sub-system, as well as a biopotential and bioimpedance (BioZ) sub-system to measure respiration rate. It permits small vital signs devices by fitting those multiple functions into a 2.6mm x 2.8mm package.

In addition, next-generation wearable RPMs need to operate at low power to permit smaller batteries or extend battery life to allow more convenient charging requirements. To enable ultra-low power features, the MAX86178 provides each subsystem with configurable options to optimize battery life for specific use cases.

“By integrating three healthcare subsystems on one piece of silicon, Analog Devices builds on its DNA and delivers this sensor-fusion product,” said Andrew Burt, Executive Business Manager of the Industrial and Healthcare Business Unit at Maxim Integrated®, now part of Analog Devices. “This AFE is resonating with the medical community because it presents new possibilities for chronic disease management, contagious disease diagnosis and remote monitoring. The MAX86178 enables small body-worn devices that can improve healthcare delivery and lower costs by keeping people out of the hospital.”

In addition, Analog Devices offers the MAX20343 buck-boost regulator and the MAX20360 power management IC as power solutions optimized for the MAX86178.

MAX86178 Triple-System Vital Signs AFE Features and Benefits
  • Small Size: Replaces medical facility grade monitoring systems with body-worn devices
  • Simplified Design: By integrating and synchronizing three different measurement systems to measure four vital signs, it simplifies design and enables even more complicated derivative vital signs monitoring
Availability
  • The MAX86178 is available as of now in a 2.6mm x 2.8mm WLP package.
  • The MAX86178EVKIT# is available as of now.
Additional Information
About Analog Devices

Analog Devices, Inc. operates at the center of the modern digital economy, converting real-world phenomena into actionable insight with its comprehensive suite of analog and mixed signal, power management, radio frequency (RF), and digital and sensor technologies. ADI serves 125,000 customers worldwide with more than 75,000 products in the industrial, communications, automotive, and consumer markets. ADI is headquartered in Wilmington, MA. Visit https://www.analog.com.

Follow ADI on Twitter at http://www.twitter.com/ADI_News
Read and subscribe to Analog Dialogue, ADI’s monthly technical journal, at: http://www.analog.com

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Date: 20.09.2021 14:15
Number: 28/21 EN
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Clinical-Grade AFE from Analog Devices Measures Four Vital Signs for Remote Patient Monitoring Devices
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