onsemi NCT75DR2G

The NCT75 is a two-wire serially programmable temperature sensor with an over-temperature/interrupt output pin to signal out of limit conditions. This is an open-drain pin and can operate in either comparator or interrupt mode. Temperature measurements are converted into digital form using a high resolution (12 bit), sigma-delta, analog-to-digital converter (ADC). The device operates over the -55℃ to +125℃ temperature range. Communication with the NCT75 is accomplished via the SMBus/I²C interface. Three address selection pins, A2, A1 and A0, can be used to connect up to 8 NCT75s to a single bus. Through this interface the NCT75s internal registers may be accessed. These registers allow the user to read the current temperature, change the configuration settings and adjust the temperature limits. The NCT75 has a wide supply voltage range of 3.0V to 5.5V. The average supply current is 575 μA at 3.3 V. It also offers a shutdown mode to conserve power. The typical shutdown current is 3μA The NCT75 is available in three, space saving packages - 8-lead DFN, 8-lead Micro8 and 8-lead SOIC and is also fully pin and register compatible with the LM75 and TCN75.

• 12-bit Temperature-to-Digital Converter
• Input Voltage Range from 3.0V to 5.5V
• Temperature Range from -55℃ to +125℃
• SMBus/I²C Interface
• Overtemperature Indicator
• Support for SMBus/ALERT
• Shutdown Mode for Low Power Consumption
• One-shot Mode
• Available in 8-pin DFN, 8-pin Micro8 and SOIC Packages
• These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant

• Computer Thermal Monitoring
• Thermal Protection
• Isolated Sensors
• Battery Management
• Office Electronics
• Electronic Test Equipment
• Thermostat Controls
• System Thermal Management