7Semi MCP9808 Max Accuracy I2C Temperature Sensor Breakout

The 7Semi MCP9808 Max Accuracy I²C Temperature Sensor Breakout is a high-precision, low-power digital temperature sensor module based on the Microchip MCP9808. It offers excellent accuracy, high resolution, and stable long-term performance. With I²C communication and programmable alert thresholds, this breakout is ideal for precision temperature monitoring in HVAC systems, industrial equipment, weather stations, IoT devices, and consumer electronics.

Technical Specifications:

• Sensor IC: MCP9808
  
• Measurement Type: Ambient temperature
  
• Operating Temperature Range: –40°C to +125°C
  
• Accuracy: ±0.25°C typical; ±0.5°C max (–20°C to +100°C); ±1°C at extremes
  
• Resolution: Programmable - 0.5°C, 0.25°C, 0.125°C, 0.0625°C
  
• Interface: I²C / SMBus
  
• I²C Speed: Up to 400 kHz
  
• Supply Voltage: 2.7V to 5.5V
  
• Operating Current: ~200 µA typical
  
• Alert Pin: Programmable upper, lower, and critical temperature thresholds
  
• Multi-Sensor Support: Up to 8 sensors on the same I²C bus (A0, A1, A2 address pins)
  
• Output Type: Fully calibrated digital temperature output
  
• Logic Compatibility: 3.3V and 5V systems
  
• Board Type: Compact breakout module

Features:

• High-accuracy temperature sensing with ±0.25°C typical precision
  
• Wide temperature range suitable for indoor, outdoor, and industrial uses
  
• High-resolution digital output (as fine as 0.0625°C)
  
• Supports multiple sensors on the same I²C bus
  
• Programmable alert thresholds for temperature monitoring and protection
  
• No external calibration required — factory-calibrated sensor
  
• Low power consumption for battery-powered applications
  
• Easy integration with Arduino, ESP32, STM32, Raspberry Pi
  
• Stable output with minimal drift over time
  
• Compact and reliable breakout ideal for embedded systems

Applications:

• HVAC, thermostats, and indoor climate monitoring
  
• Smart home and IoT temperature sensing
  
• Industrial and process temperature monitoring
  
• Weather stations and environmental monitoring
  
• Data logging and temperature profiling
  
• Consumer electronics (PCs, servers, appliances)
  
• Battery management and thermal protection
  
• Multi-zone temperature monitoring
  
• Laboratory and research instruments
  
• Embedded systems needing accurate digital temperature readings