21462C 数据手册 ( 数据表 ) - Microchip Technology

General Description
The TC74 is a serially accessible, digital temperature sensor particularly suited for low cost and small formfactor applications. Temperature data is converted from the onboard thermal sensing element and made available as an 8-bit digital word.

FEATUREs
• Digital Temperature Sensing in SOT-23-5 or
   TO-220 Packages
• Outputs Temperature as an 8-Bit Digital Word
• Simple SMBus/I2C™ Serial Port Interface
• Solid-State Temperature Sensing:
   - ±2°C (max.) Accuracy from +25°C to +85°C
   - ±3°C (max.) Accuracy from 0°C to +125°C
• Supply Voltage of 2.7V to 5.5V
• Low Power:
   - 200 µA (typ.) Operating Current
   - 5 µA (typ.) Standby Mode Current

APPLICATIONs
• Thermal Protection for Hard Disk Drives
   and other PC Peripherals
• PC Card Devices for Notebook Computers
• Low Cost Thermostat Controls
• Power Supplies
• Thermistor Replacement