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LM99 - High Temperature / Remote Diode Temperature Sensor

General Description

The LM99 is an 11-bit remote diode temperature sensor with a 2-wire System Management Bus (SMBus) serial interface.

Key Features

  • n Accurately senses the temperature of remote diodes n Offset register allows use of a variety of thermal diodes Simplified Block Diagram 20053801 NVIDIA ® is a registered trademark of NVIDIA Corporation. GeForce™ is a trademark of NVIDIA Corporation. Intel ® and Pentium ® are registered trademarks of Intel Corporation. © 2003 National Semiconductor Corporation DS200538 www. national. com LM99 Connection Diagram MSOP-8 20053802 TOP VIEW Ordering Information Part Number LM99CIMM LM99-1CI.

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Part Number Description Manufacturer
LM99 Remote Diode Temperature Sensor Texas Instruments

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM99 ± 1˚C Accurate, High Temperature, Remote Diode Temperature Sensor with Two-Wire Interface July 2003 LM99 ± 1˚C Accurate, High Temperature, Remote Diode Temperature Sensor with Two-Wire Interface General Description The LM99 is an 11-bit remote diode temperature sensor with a 2-wire System Management Bus (SMBus) serial interface. The LM99 accurately measures: (1) its own temperature and (2) the temperature of a remote diode-connected transistor such as the 2N3904 or a thermal diode commonly found on Graphics Processor Units (GPU), Computer Processor Units (CPU or other ASICs.