Meixin Integrated
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MAX301ESE
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MAX301ESE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Biomedical Sensor
  • Characteristics: High-performance, low-power, integrated pulse oximeter and heart-rate monitor module
  • Package: 16-pin SOIC package
  • Essence: MAX301ESE is a highly integrated sensor module designed for non-invasive measurement of physiological parameters such as oxygen saturation level (SpO2) and heart rate.
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 1.8V to 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • SpO2 Measurement Range: 0% to 100%
  • Heart Rate Measurement Range: 30 bpm to 200 bpm
  • LED Current: Programmable from 0mA to 50mA
  • Communication Interface: I2C or SPI

Pin Configuration

The MAX301ESE has the following pin configuration:

  1. VDD: Power supply voltage
  2. GND: Ground
  3. SDA: Serial Data Line (I2C interface)
  4. SCL: Serial Clock Line (I2C interface)
  5. INT: Interrupt output
  6. RD: Red LED drive current
  7. IRD: Infrared LED drive current
  8. RSET: External resistor for LED current control
  9. AGND: Analog ground
  10. PD: Photodiode input
  11. REF: Reference voltage
  12. VIO: Digital I/O voltage
  13. RESET: Reset input
  14. CLK: Clock input
  15. SDOUT: Serial data output
  16. SCLK: Serial clock output

Functional Features

  • Integrated red and infrared LEDs for optical sensing
  • Ambient light cancellation for accurate measurements
  • Low power consumption for battery-operated devices
  • High sample rate and resolution for precise measurements
  • Flexible LED current control for different applications
  • Interrupt output for event-driven processing

Advantages and Disadvantages

Advantages: - Highly integrated module reduces external component count - Accurate and reliable measurement of SpO2 and heart rate - Low power consumption extends battery life - Wide operating temperature range allows usage in various environments - Flexible communication interface options (I2C or SPI)

Disadvantages: - Limited to non-invasive physiological parameter measurements - Requires external resistor for LED current control - Relatively high cost compared to individual components

Working Principles

The MAX301ESE utilizes the principle of photoplethysmography (PPG) to measure SpO2 and heart rate. It emits red and infrared light into the skin, and the reflected light is detected by a photodiode. By analyzing the absorption characteristics of oxygenated and deoxygenated blood, the module calculates the SpO2 level. The heart rate is determined by measuring the pulsatile blood flow.

Application Field Plans

The MAX301ESE finds applications in various fields, including:

  1. Medical Devices:

    • Pulse oximeters
    • Wearable health monitors
    • Fitness trackers

  2. Sports and Fitness:

    • Heart rate monitoring during exercise
    • Sleep quality analysis

  3. Home Healthcare:

    • Remote patient monitoring
    • Sleep apnea detection

  4. Industrial Monitoring:

    • Oxygen level monitoring in hazardous environments
    • Vital sign monitoring in high-altitude operations

Alternative Models

Other alternative models that provide similar functionality to the MAX301ESE include:

  1. MAX30102: Similar features with additional SpO2 and heart rate variability (HRV) algorithms.
  2. ADPD188BI: Integrated optical module with advanced motion artifact rejection.
  3. BH1792GLC: Compact sensor module with low power consumption and I2C interface.

These alternative models offer different trade-offs in terms of performance, cost, and additional features.

In conclusion, the MAX301ESE is a highly integrated biomedical sensor module designed for non-invasive measurement of SpO2 and heart rate. Its compact package, high performance, and low power consumption make it suitable for a wide range of applications in medical, sports, home healthcare, and industrial monitoring fields.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MAX301ESE у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of MAX301ESE in technical solutions:

  1. Q: What is MAX301ESE? A: MAX301ESE is a highly integrated optical sensor module that combines two LEDs, a photodetector, optimized optics, and low-noise analog signal processing to detect pulse oximetry and heart-rate signals.

  2. Q: What are the main applications of MAX301ESE? A: MAX301ESE is commonly used in wearable devices, fitness trackers, medical monitoring devices, and other applications where non-invasive measurement of heart rate and blood oxygen levels is required.

  3. Q: How does MAX301ESE measure heart rate and blood oxygen levels? A: MAX301ESE uses a technique called photoplethysmography (PPG) to measure heart rate and blood oxygen saturation. It emits light into the skin and measures the reflected or transmitted light to determine these parameters.

  4. Q: Can MAX301ESE be used for continuous monitoring? A: Yes, MAX301ESE is designed for continuous monitoring. It provides real-time data output and can be configured to continuously measure heart rate and blood oxygen levels.

  5. Q: Is MAX301ESE suitable for use in sports and fitness applications? A: Absolutely! MAX301ESE's small form factor, low power consumption, and accurate measurements make it ideal for sports and fitness applications such as heart rate monitoring during exercise.

  6. Q: Does MAX301ESE have any built-in algorithms for signal processing? A: Yes, MAX301ESE includes built-in algorithms for motion artifact reduction, ambient light cancellation, and heart rate extraction. These algorithms help improve the accuracy of the measured data.

  7. Q: Can MAX301ESE interface with microcontrollers or other devices? A: Yes, MAX301ESE has an I2C interface that allows it to communicate with microcontrollers and other devices. This enables easy integration into larger systems.

  8. Q: What is the power consumption of MAX301ESE? A: MAX301ESE has low power consumption, typically operating at around 1.8V and consuming less than 1mA during active measurement.

  9. Q: Does MAX301ESE have any additional features for advanced applications? A: Yes, MAX301ESE includes a built-in temperature sensor, which can be useful in certain applications where temperature compensation is required.

  10. Q: Are there any limitations or considerations when using MAX301ESE? A: Some considerations include proper placement on the skin for accurate measurements, potential interference from ambient light sources, and the need for calibration in medical-grade applications.

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