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Description:Dual Channel Temperature Sensor and Over Temperature Alarm
Manufacturer:Analog Devices
Datasheet:PDF (493K).
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The ADT7483A1 is a three-channel digital thermometer and under/over temperature alarm, intended for use in PCs and thermal management systems. It can measure the temperature in two remote locations, for example, the remote thermal diode in a CPU or GPU, or a discrete diode connected transistor. It can also measure its own ambient temperature. The temperature of the remote thermal diode and ambient temperature can be accurately measured to 1C. The temperature measurement range defaults to 0C to 127C, compatible with ADM1032, but can be switched to a wider measurement range, from -64C to +191C. The ADT7483A communicates over a 2-wire serial interface compatible with system management bus (SMBus) standards. The SMBus address is set by the ADD0 and ADD1 pins. As many as nine different SMBus addresses are possible.

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