MAX30009
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MAX30009

Low-Power, High-Performance Bioimpedance Analog Front-End

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Bioimpedance (BIOZ) Analog Front-End Solution to Measure a Range of Physiological Conditions in Wearable Applications.

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $5.63
Features
  • BIOZ
    • Complete High-Performance BioZ AFE
    • Simultaneous I and Q Measurement Capability
    • Four-Electrode (Tetrapolar) and Two-Electrode (Bipolar) Configurations
    • Ultra-Low Power Operation
      • 250 µW at 1.8V AVDD
    • High-Resolution, 20-Bit Sigma Delta Analog-to-Digital Converters (ADCs)
    • Wide Range of Sample Rates from 16sps to 4ksps
    • Flexible and Programmable Input/Output MUX
    • Low-Noise, High-Resolution Receive Channel
      • 17 Bits Effective Resolution with 1.1ΩVP-P Noise
    • High Input Impedance > 1GΩ for Extremely Low Common to Differential-Mode Conversion
    • Programmable Sine-Wave Stimulus
    • Low Frequency, Low Current Options for Galvanic Skin Response (GSR)/Electrodermal Activity (EDA) Starting from 16Hz and 16nARMS
    • Wide Range of Bioelectrical Impedance Analysis/Spectroscopy (BIA/BIS) Frequencies from 1kHz to 806kHz
    • High Currents at High Frequencies for Impedance Cardiography (ICG) Applications (e.g.,1.28mARMS at 100kHz) with Lockout for Lower Frequencies for Conformance with 60601-1
    • High Input AC Dynamic Range of >1000mVP-P
    • 4-Pin In-Situ Calibration Port (4-Wire Precision Resistor) Enables High-Quality Absolute Impedance Measurements
    • DC Leads-Off Detect Capability
    • Ultra-Low Power Lead-On Detection with Interrupt for System Wake-Up
      • Lead-On Detect Current: 0.7µA (typ)
  • SYSTEM
    • Shutdown Current of 0.6µA (Typ)
    • 256 Word FIFO
    • Flexible PLL-Based Timing Subsystem with Internal or External Clock Source
    • PLL can be Synchronized with Adjacent Biosensor AFEs (such as the MAX86176 Photoplethsymography (PPG)/Electrocardiography (ECG) AFE)
    • Configurable Interrupts Reduce µC Wake-Up Time and Save Power
    • High-Speed Serial Peripheral Interface (SPI) and I2C Digital Interface
Additional Details
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The MAX30009 is a complete Bioimpedance (BioZ) Analog Front-End (AFE) solution for wearable applications. It offers high performance for fitness, wellness, and clinical applications, and ultra-low power for long battery life. The BioZ receive channel has Electrostatic Discharge (ESD) protection, Electromagnetic Interference (EMI) filtering, internal lead-biasing, DC leads-off detection, DRVN lead-off detection, and ultra-low power lead-on detection during standby mode. The BioZ receive channel also has high input impedance, low noise, high Common-Mode Rejection Ratio (CMRR), programmable gain, various low-pass and high-pass filter options, and two high resolution analog-to-digital converters for simultaneous I and Q acquisition.

The BioZ transmit channel has a sine-wave current generator to drive AC currents into the body with a wide frequency range of 16Hz to 500kHz and a wide magnitude range of of 16nARMS to 1.28mARMS. The transmit channel can also operate in the sine-wave voltage and H-bridge modes. The flexible input/output MUX allows for both bipolar and tetrapolar measurements with multiple sets of electrodes.

For measurements requiring high absolute impedance accuracy such as Bioimpedance Analysis/Spectroscopy (BIA/BIS) and Automated External Defibrillator (AED) body impedance, the MAX30009 offers several calibration options. An external precision resistor can be connected to the four-wire calibration port for the highest accuracy. Internal trimmed resistors also provide high accuracy.

The PLL-based timing subsystem allows for a wide range of fine-tuned stimulus and sampling frequencies, and can be synchronized with other Analog Devices biosensors for simultaneous data collection.

The MAX30009 is available in a 2.03mm x 2.03mm, 25-bump Wafer-Level Package (WLP), operating over the -40°C to +85°C temperature range.

 

Applications

  • Wearable Fitness, Wellness, and Medical Devices
  • Multifrequency Body Composition Analyzers
  • Non-Invasive Hemodynamic Monitors
  • Automatic External Defibrillators
  • Optimized Performance to Accurately Detect:
    • Respiration Rate
    • Galvanic Skin Response/Electrodermal Activity
    • Bioimpedance Spectroscopy
    • Body Composition and Fluid Analysis
    • Impedance Cardiography and Plethysmography
Part Models 2
1ku List Price Starting From $5.63

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Documentation

Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX30009ENA+
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MAX30009ENA+T
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Software & Part Ecosystem

Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

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MAX30009EVKIT

Evaluation Kit for the MAX30009

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MAX30009EVKIT

Evaluation Kit for the MAX30009

Evaluation Kit for the MAX30009

Features and Benefits

  • Convenient Platform to Evaluate the MAX30009
  • Many Easy-to-Reach Test Points
  • Real-time Monitoring and Plotting
  • Data Logging Capabilities
  • Bluetooth® LE
  • Windows® 10 Compatible GUI software

Product Detail

The MAX30009EVKIT# evaluation kit (EV kit) provides a platform to evaluate the functionality and features of the MAX30009 Low-Power, High-Performance Bioimpedance (BioZ) Analog Front End. The EV kit allows for flexible hardware and software configurations to help the user quickly learn how to configure and optimize the MAX30009 for their applications.

The MAX30009 is a complete Bioimpedance (BioZ) analog front-end solution for wearable applications. It offers high performance for fitness, wellness, and clinical applications and ultra-low power for long battery life. The BioZ receive channel has ESD protection, EMI filtering, internal lead biasing, DC leads off detection, DRVN lead-off detection, and ultra-low power lead-on detection during standby mode. The BioZ receive channel also has high input impedance, low noise, high CMRR, programmable gain, various low-pass, and high-pass filter options, and two high-resolution analog to digital converters for simultaneous I and Q acquisition.

The MAX30009EVKIT# EV kit consists of two boards. MAXSENSORBLE_EVKIT_B is the microcontroller (MCU) board while MAX30009_EVKIT_B is the sensor board containing the MAX30009. The EV kit is powered by a LiPo battery, which is recharged through a USB-C cable. The EV Sys communicates with MAX30009GUI (should be installed in the user system) via Bluetooth® (WIN BLE).The EV kit contains the latest firmware but comes with the programming circuit board MAXDAP-TYPE-C in case a firmware change is needed.

 

Applications

  • Wearable Fitness, Wellness, and Medical Devices
  • Multifrequency Body Composition Analyzers
  • Non-Invasive Hemodynamic Monitors
  • Automatic External Defibrillators
  • Optimized Performance to Accurately Detect:
  • Respiration Rate
  • Galvanic Skin Response/Electrodermal Activity
  • Bioimpedance Spectroscopy
  • Body Composition and Fluid Analysis
  • Impedance Cardiography and Plethysmography

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