1.8V Digital Temperature Sensor
MCP9844
±1°C Accurate, 1.8V Digital Temperature Sensor
Features
• 1MHz, 2-wire I2C™ Interface • User Selectable Measure...
Description
MCP9844
±1°C Accurate, 1.8V Digital Temperature Sensor
Features
1MHz, 2-wire I2C™ Interface User Selectable Measurement Resolution:
- +0.5°C, +0.25°C, +0.125°C, +0.0625°C User Programmable Temperature Limits:
- Temperature Window Limit - Critical Temperature Limit User Programmable Temperature Alert Output Specified VDD Range: 1.7V to 3.6V Operating Current: 100 µA (typical) Available Package: 8-Pin TDFN
Temperature Sensor Features
Temperature-to-Digital Converter (°C) Sensor Accuracy (Grade B):
- ±0.2°C/±1°C (typ./max.) +75°C to +95°C - ±0.5°C/±2°C (typ./max.) +40°C to +125°C - ±1°C/±3°C (typ./max.) -40°C to +125°C
Typical Applications
Temperature sensing for Solid State Drive (SSD) General Purpose Temperature Datalog General Purpose Industrial Applications Industrial Freezers and Refrigerators Food Processing Personal Computers and Servers PC Peripherals Consumer Electronics Handheld/Portable Devices
Temperature Accuracy (°C)
3.0
VDD = 1.7 V to 3.6 V
2.0 16 units
Spec. Limits
1.0
0.0
-1.0 -2.0
+Std. Dev. Average
-Std. Dev.
-3.0
-40 -20 0 20 40 60 80 100 120 TA (°C)
Description
Microchip Technology Inc.’s MCP9844 digital temperature sensor converts temperature from -40°C to +125°C to a digital word. It provides an accuracy of ±0.2°C/±1°C (typical/maximum) from +75°C to +95°C with an operating voltage of 1.7V to 3.6V.
The MCP9844 digital temperature sensor comes with user programmable registers that provide flexibility ...
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