ADT7481 - ON Semiconductor

ADT7481 Dual Channel Temperature Sensor and Overtemperature Alarm

Positive Supply, 3.0 V to 3.6 V. Positive Connection to the Remote 1 Temperature Sensor. Negative Connection to the Remote 1 Temperature Sensor. Open-Drain Output. Requires pullup resistor. Signals overtemperature events, could be used to turn a fan on/off, or throttle a CPU clock. Supply Ground Connection. Negative Connection to the Remote 2 Temperature Sen.

Features

• 1 Local and 2 Remote Temperature Sensors
• 0.25°C Resolution/1°C Accuracy on Remote Channels
• 1°C Resolution/1°C Accuracy on Local Channel
• Extended, Switchable Temperature Measurement Range 0°C to 127°C (Default) or −64°C to +191°C
• 2-wire SMBus Serial Interface with SMBus ALERT Support
• Programmable Over/Undertemperature Limits
• Offset Registers for System Calibration
• Up to 2 Overtemperature Fail-Safe THERM Outputs
• Small 10-lead MSOP Package
• 240 mA Operating Current, 5 mA Standby Current
• These Devices are Pb-Free, Halogen Free and are RoHS Compliant Applications
• Desktop and .