Maxim Integrated
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MAX861IUA-T
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MAX861IUA-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Biopotential and Optical Sensor Module
  • Characteristics: High-performance, low-power, small form factor
  • Package: 8-pin µMAX® package
  • Essence: Combines biopotential and optical sensors for vital sign monitoring
  • Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

  • Power Supply Voltage: 1.7V to 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Biopotential Channels: 2
  • Optical Channels: 1
  • Sampling Rate: Up to 128 samples per second
  • Communication Interface: I2C or SPI

Detailed Pin Configuration

The MAX861IUA-T has the following pin configuration:

  1. VDD: Power supply voltage input
  2. SDA: Serial data input/output for I2C communication
  3. SCL: Serial clock input for I2C communication
  4. INT: Interrupt output
  5. GND: Ground connection
  6. LED1: LED drive output for optical sensor
  7. LED2: LED drive output for optical sensor
  8. RLD: Right leg drive output for biopotential sensor

Functional Features

  • Integration of biopotential and optical sensors in a single module
  • Low power consumption for extended battery life
  • High-performance signal processing algorithms for accurate measurements
  • Flexible communication interface options (I2C or SPI)
  • Interrupt output for event-driven applications

Advantages and Disadvantages

Advantages: - Compact size enables integration into portable devices - Simultaneous measurement of multiple vital signs - Low power consumption extends battery life - High accuracy and reliability

Disadvantages: - Limited number of biopotential and optical channels - Requires external components for complete system implementation

Working Principles

The MAX861IUA-T utilizes biopotential and optical sensors to monitor vital signs. The biopotential channels measure electrical signals generated by the body, such as ECG or EMG. The optical channel uses photoplethysmography (PPG) to measure blood volume changes. These signals are processed using advanced algorithms to extract accurate vital sign information.

Detailed Application Field Plans

The MAX861IUA-T is suitable for various applications, including:

  1. Wearable devices: Enables continuous monitoring of vital signs in fitness trackers, smartwatches, and health monitoring bands.
  2. Medical devices: Used in patient monitoring systems for real-time measurement of vital signs in hospitals and clinics.
  3. Sports and performance monitoring: Provides athletes with valuable insights into their physiological responses during training and competitions.
  4. Home healthcare: Allows individuals to monitor their own vital signs at home, providing early detection of potential health issues.

Detailed and Complete Alternative Models

  1. MAX30102: Similar functionality with a different pin configuration and package.
  2. MAX30205: Temperature sensor module with additional features for thermal monitoring.
  3. MAX30001: Ultra-low power, single-channel biopotential sensor for specific applications.

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX861IUA-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX861IUA-T in technical solutions:

  1. Q: What is the MAX861IUA-T? A: The MAX861IUA-T is a highly integrated optical sensor module that combines three key biosensors - a photoplethysmogram (PPG) front-end, an electrocardiogram (ECG) front-end, and an optical pulse oximeter.

  2. Q: What are the main applications of the MAX861IUA-T? A: The MAX861IUA-T is commonly used in wearable devices, fitness trackers, health monitoring systems, and medical devices for measuring heart rate, blood oxygen saturation, and other vital signs.

  3. Q: How does the MAX861IUA-T measure heart rate? A: The MAX861IUA-T uses the PPG technique to measure heart rate by illuminating the skin with LEDs and detecting the reflected light using a photodetector.

  4. Q: Can the MAX861IUA-T measure blood oxygen saturation (SpO2)? A: Yes, the MAX861IUA-T includes an optical pulse oximeter that can measure blood oxygen saturation levels non-invasively.

  5. Q: What is the operating voltage range of the MAX861IUA-T? A: The MAX861IUA-T operates from a supply voltage range of 1.7V to 3.3V.

  6. Q: Does the MAX861IUA-T provide any digital interfaces? A: Yes, the MAX861IUA-T features an I2C interface for communication with microcontrollers or other devices.

  7. Q: Can the MAX861IUA-T be used in battery-powered devices? A: Absolutely! The low power consumption of the MAX861IUA-T makes it suitable for battery-powered applications.

  8. Q: What is the typical accuracy of heart rate measurements with the MAX861IUA-T? A: The MAX861IUA-T offers high accuracy heart rate measurements with typical deviations of around ±3 bpm.

  9. Q: Are there any evaluation kits available for the MAX861IUA-T? A: Yes, Maxim Integrated provides evaluation kits that include the MAX861IUA-T sensor module along with necessary documentation and software tools.

  10. Q: Can the MAX861IUA-T be used in medical-grade devices? A: While the MAX861IUA-T provides accurate measurements, it is important to note that additional certifications and validations may be required for medical-grade applications.

Please note that these answers are general and may vary depending on specific use cases and requirements.