MCP9808 is one of the more accurate/precise temperature sensing options with a wider operating range and precision of +0.0625°C. This works with any microcontroller using standard i2c. There are 3 address pins so you can connect up to 8 to a single I2C bus without address collisions. Best of all, a wide voltage range makes it usable with 2.7V to 5.5V logic.
Specifications:
- Voltage Supply: 2.7V ~ 5.5V
- Operating Current: 200 μA (typical)
- Sensing Temperature: -40ºC ~ 125ºC
- Uses any I2C address from 0x18 thru 0x1F
- Up to 8 on a single I2C bus with adjustable address pins
- 0.25°C typical precision over -40°C to 125°C range (0.5°C guaranteed max from -20°C to 100°C)
- 0.0625°C resolution
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