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The MAX8611ETM is a highly integrated optical pulse oximeter and heart-rate sensor module manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features:

Manufacturer:

MAXIM (Maxim Integrated)

Part Number:

MAX8611ETM

Description:

The MAX8611ETM is a compact, low-power optical sensor module designed for pulse oximetry and heart-rate monitoring applications. It integrates LEDs, photodetectors, analog signal conditioning, and digital processing to provide accurate SpO₂ (oxygen saturation) and heart-rate measurements.

Key Features:

• Integrated Optical Front-End:
• Includes LEDs (red, IR, and optionally green) and a photodetector.
• Optimized for reflectance or transmission-mode pulse oximetry.
• Low Power Consumption:
• Designed for battery-powered wearable and portable devices.
• High-Performance Signal Processing:
• Built-in ambient light cancellation (ALC) for improved accuracy.
• Adaptive algorithms for motion artifact reduction.
• Digital Interface:
• I²C-compatible interface for communication with a host microcontroller.
• Compact Form Factor:
• Small module (TDFN package) suitable for space-constrained designs.
• Applications:
• Wearable fitness trackers
• Medical-grade pulse oximeters
• Smartwatches with health monitoring
• Remote patient monitoring devices

Electrical Specifications:

• Supply Voltage: 1.8V to 3.3V
• Operating Current: Low power mode for extended battery life.
• Output Data Rate: Configurable for different sampling rates.

Package:

• Package Type: TDFN (Thin Dual Flat No-Lead)
• Pin Count: 28

Environmental Specifications:

• Operating Temperature Range: -40°C to +85°C

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application guidelines, refer to the official MAX8611ETM datasheet from Maxim Integrated.