TC74A2-3.3VCTTR [Microchip]

TC74 is a serially accessible digital temperature sensor particularly suited for low cost and small form-factor applications. Temperature data is converted from the on-board thermal sensing element and made available as an 8-bit digital word. Communication with the TC74 is accomplished via a simple 2-wire SMBus/I²C™-compatible serial port. This bus also can be used to implement multi-drop/multi-zone monitoring. The SHDN bit in the CONFIG register can be used to activate the low-power Standby mode. Temperature resolution is 1°C. Conversion rate is a nominal 8 samples/sec. Power consumption in only 200 µA (5 µA Standby). Small size, low installed cost and ease of use make the TC74 an ideal choice for implementing thermal management in a variety of systems.

• Digital Temperature Sensing in SOT-23-5 Package
• Outputs Temperature as an 8-Bit Digital Word
• Simple Serial Port Interface
• ±2°C Accuracy from +25°C to +85°C
• ±3°C Accuracy from 0°C to +125°C
• Supply Voltage of 2.7V to 5.5V
• 200 µA (typ.) Operating Current
• 5 µA (typ.) Standby Mode Current