Human Body Temperature Sensor MAX30205

The MAX30205 Human Body Temperature Sensor is a precision digital thermometer designed specifically for accurate human body temperature measurement in wearable applications. This sensor offers exceptional accuracy of ±0.1°C in the body temperature range (37°C to 39°C), making it ideal for fitness trackers, smartwatches, medical thermometers, health monitoring devices, and IoT healthcare applications.

Featuring a built-in 16-bit Sigma-Delta ADC and I2C interface, the MAX30205 provides easy integration with microcontrollers like Arduino, ESP32, Raspberry Pi, and other embedded systems. The sensor operates at ultra-low power consumption, making it perfect for battery-powered wearable devices and continuous monitoring applications. It includes programmable temperature alarm functions with configurable high and low thresholds.

The compact module design ensures fast thermal response and minimal self-heating, providing reliable and consistent readings. With a wide measurement range and excellent linearity. The MAX30205 meets clinical thermometry standards and includes factory calibration, eliminating the need for user calibration and ensuring consistent performance across all units.

Specification :

• Sensor Chip: MAX30205 (Maxim Integrated)
• Measurement Range: 0°C to +50°C
• Accuracy: ±0.1°C (37°C to 39°C body temp range)
• Overall Accuracy: ±0.3°C (0°C to +50°C)
• Operating Voltage: 2.7V – 3.3V
• Interface: I2C (400kHz Fast Mode)
• Resolution: 16-bit (0.00390625°C)
• Conversion Time: 50ms (typical)
• Operating Current: 600µA (active mode)
• Shutdown Current: 0.5µA
• Module Dimensions: 20mm × 15mm (approx.)
• I2C Address: 0x48 (default, configurable)
• Operating Temperature: -40°C to +105°C
• Alarm Function: Programmable over/under temperature