MAX86150EFF+

The MAX86150EFF+ is an ultra-low-power, single-lead, PPG and ECG analog-front-end (AFE) designed for wearable health monitoring devices. It integrates internal LEDs, photo diode, and ECG analog-front-end to provide a complete solution for heart rate and pulse oximetry measurements.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VLED: LED Anode
• GND: Ground
• SDA: Serial Data (I2C interface)
• SCL: Serial Clock (I2C interface)
• VA: Anode Drive Voltage
• BIAS: Bias Resistor
• ECGP: ECG Positive Input
• ECGN: ECG Negative Input
• VDD: Power Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the MAX86150EFF+ AFE for a visual representation.

Key Features

• Ultra-Low-Power: The MAX86150EFF+ operates at ultra-low power, making it suitable for battery-powered wearable devices.
• Integrated PPG and ECG: Combines PPG and ECG functionality in a single AFE, providing comprehensive health monitoring capabilities.
• Internal LEDs: Includes internal LEDs for photoplethysmography (PPG) measurements without the need for external components.
• High-Resolution ADC: Features a high-resolution, low-noise ADC for accurate analog signal conversion.
• I2C Interface: Utilizes the I2C interface for easy integration with microcontrollers and digital signal processors.

Note: For detailed technical specifications, please refer to the MAX86150EFF+ datasheet.

Application

• Wearable Health Monitoring: Ideal for integration into wearable devices to monitor heart rate and blood oxygen levels.
• Remote Patient Monitoring: Suitable for remote health monitoring applications, allowing for continuous vital sign measurements.
• Fitness Tracking: Used in fitness trackers and smartwatches for accurate heart rate monitoring during physical activities.

Functionality

The MAX86150EFF+ is a complete PPG and ECG analog-front-end solution designed for accurate and low-power health monitoring in wearable devices.

Usage Guide

• Power Supply: Connect VDD (Pin 9) to the power supply within the specified voltage range.
• LED Connections: Connect VLED (Pin 1) and VA (Pin 5) to the LED components for PPG measurements.
• Biopotential Measurements: Use ECGP (Pin 7) and ECGN (Pin 8) for biopotential measurements.

Frequently Asked Questions

Q: Can the MAX86150EFF+ be used for continuous health monitoring?
A: Yes, the MAX86150EFF+ is designed for continuous and reliable health monitoring, making it suitable for wearable applications requiring continuous vital sign measurements.

Q: Does the MAX86150EFF+ require external LEDs for PPG measurements?
A: No, the MAX86150EFF+ integrates internal LEDs, simplifying the design and reducing external component requirements for PPG measurements.