MCP9802

MCP9800/1/2/3 2-Wire High-Accuracy Temperature Sensor Features: Temperature-to-Digital Converter Accuracy with 12-bit Resolution: - ±0.5°C (typical) at +25°C - ±1°C (maximum) from -10°C to +85°C - ±2°C (maximum) from -10°C to +125°C - ±3°C (maximum) from -55°C to +125°C User-selectable Resolution: 9-12 bit Operating Voltage Range: 2.7V to 5.5V 2-wire Interface: I2C™/SMBus Compatible Operating Current: 200 µA (typical) Shutdown Current: 1 µA (maximum) Power-saving One-shot Temperature Measurement Available Packages: SOT-23-5, MSOP-8, SOIC-8 Typical Applications: Personal Computers and Servers Hard Disk Drives and Other PC Peripherals Entertainment Systems Office Equipment Data Communication Equipment Mobile Phones General Purpose Temperature Monitoring Typical Application VDD MCP9800/02 R VDD 1 GND 2 ALERT 3 5 SDA 4 SCLK RPULL-UP I2C™ Port PIC® Microcontroller PIC16F737 I/O Port Description: Microchip Technology Inc.’s MCP9800/1/2/3 family of digital temperature sensors converts temperatures between -55°C and +125°C to a digital word. They provide an accuracy of ±1°C (maximum) from -10°C to +85°C. The MCP9800/1/2/3 family comes with user-programmable registers that provide flexibility for temperature sensing applications. The register settings allow user-selectable 9-bit to 12-bit temperature measurement resolution, configuration of the power-saving Shutdown and One-shot (single conversion on command while in Shutdown) modes and the spe...