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MAX8614AETD+
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MAX8614AETD+ Encyclopedia Entry

Product Overview

The MAX8614AETD+ belongs to the category of integrated optical modules and is specifically designed for use in wearable health and fitness devices. This product is characterized by its compact package, high precision, and low power consumption. The MAX8614AETD+ is available in a small 2.048mm x 1.600mm wafer-level package, making it suitable for space-constrained applications. It is an essential component for monitoring various physiological parameters, such as heart rate and blood oxygen saturation. The MAX8614AETD+ is typically supplied in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Operating Voltage: 1.7V to 2.0V
  • Operating Temperature Range: -40°C to +85°C
  • LED Current: Up to 45mA
  • Photodetector Current: Up to 50μA
  • Sampling Rate: Up to 128sps
  • Communication Interface: I2C

Detailed Pin Configuration

The MAX8614AETD+ features a total of 15 pins, including power supply, communication, and signal pins. The pin configuration is as follows:

| Pin Number | Name | Description | |------------|---------------|---------------------------------------| | 1 | VIN | Power Supply Input | | 2 | SCL | I2C Serial Clock | | 3 | SDA | I2C Serial Data | | 4 | INTB | Interrupt Output | | 5 | LEDGND | LED Ground | | 6 | LEDANODE | LED Anode | | 7 | LEDCATHODE | LED Cathode | | 8 | PDGND | Photodetector Ground | | 9 | PDANODE | Photodetector Anode | | 10 | PDCATHODE | Photodetector Cathode | | 11 | GND | Ground | | 12 | NC | No Connection | | 13 | NC | No Connection | | 14 | NC | No Connection | | 15 | NC | No Connection |

Functional Features

The MAX8614AETD+ integrates red and infrared LEDs, as well as a high-sensitivity photodetector, enabling accurate measurement of heart rate and blood oxygen levels. It also includes an interrupt output for real-time event notification and operates at a low sampling rate to minimize power consumption.

Advantages and Disadvantages

Advantages

  • Compact form factor
  • Low power consumption
  • High precision measurements
  • Real-time event notification

Disadvantages

  • Limited to specific health and fitness applications
  • Requires careful design integration for optimal performance

Working Principles

The MAX8614AETD+ utilizes the principles of photoplethysmography (PPG) to measure changes in blood volume. The integrated LEDs emit light into the skin, and the photodetector captures the reflected or transmitted light. By analyzing the variations in light absorption, the device can accurately determine heart rate and blood oxygen saturation levels.

Detailed Application Field Plans

The MAX8614AETD+ is ideally suited for integration into wearable health and fitness devices, including smartwatches, fitness bands, and medical monitoring patches. Its compact size and low power consumption make it suitable for continuous and non-intrusive physiological monitoring.

Detailed and Complete Alternative Models

  • MAX30102: A similar integrated optical module with comparable functionality and performance.
  • Si1143: Offers proximity sensing in addition to PPG functionality, suitable for more diverse applications.

In conclusion, the MAX8614AETD+ is a highly specialized component designed for precise physiological monitoring in wearable devices. Its compact size, low power consumption, and high precision make it an ideal choice for health and fitness applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX8614AETD+ v technických řešeních

  1. What is the MAX8614AETD+?

    • The MAX8614AETD+ is an integrated optical sensor module for heart rate and SpO2 (blood oxygen saturation) monitoring.

  2. How does the MAX8614AETD+ measure heart rate?

    • The MAX8614AETD+ uses photoplethysmography (PPG) to measure heart rate by detecting changes in blood volume in the microvasculature of tissue.

  3. Can the MAX8614AETD+ be used for continuous monitoring?

    • Yes, the MAX8614AETD+ is designed for continuous monitoring of heart rate and SpO2 levels.

  4. What are the key features of the MAX8614AETD+?

    • The key features include ultra-low power consumption, high SNR (signal-to-noise ratio), and integration of multiple photodetectors and LEDs.

  5. Is the MAX8614AETD+ suitable for wearable devices?

    • Yes, the low power consumption and small form factor make the MAX8614AETD+ well-suited for integration into wearable health and fitness devices.

  6. What is the operating voltage range of the MAX8614AETD+?

    • The operating voltage range is typically 1.7V to 3.3V, making it compatible with a wide range of battery-powered applications.

  7. Does the MAX8614AETD+ provide digital output?

    • Yes, the MAX8614AETD+ provides digital output through I2C communication, simplifying integration with microcontrollers and other digital systems.

  8. Can the MAX8614AETD+ compensate for motion artifacts during measurement?

    • Yes, the module includes advanced algorithms for motion artifact reduction, improving the accuracy of heart rate and SpO2 measurements during physical activity.

  9. Are there any reference designs available for the MAX8614AETD+?

    • Yes, Maxim Integrated provides reference designs and evaluation kits to help developers quickly integrate the MAX8614AETD+ into their technical solutions.

  10. What are the typical applications for the MAX8614AETD+?

    • Typical applications include wearable fitness trackers, smartwatches, medical monitoring devices, and other portable health and wellness products.