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Temperature Sensors | ADT7482
概览
The ADT7482 is a three-channel digital thermometer and undertemperature/overtemperature alarm for PCs and thermal management systems. It can measure the temperature in two remote locations, such as in the remote thermal diode in a CPU or GPU, or using a discrete diode connected transistor. This device also measures its own ambient temperature.
应用
- Thermal Management
终端产品
- Notebook and Desktop Computers
- Servers
- Game Consoles
- RFID Readers
- Graphics Cards
特性
- 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
- Automatically cancels up to 1.5 kΩ (typ) of resistance in series with the remote sensors
- Extended, switchable temperature measurement range 0°C to +127°C (default) or 55°C to +150°C
- 2-wire SMBus serial interface with SMBus alert support
- Programmable over temperature/undertemperature limits
- Offset registers for system calibration
- Up to 2 overtemperature fail-safe THERM outputs
- 240 µA Operating Current, 5 µA Standby Current
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