MCP9844

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 ...