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LM83 - Triple-Diode Input and Local Digital Temperature Sensor

General Description

The LM83 is a digital temperature sensor with a 2 wire serial interface that senses the voltage and thus the temperature of three remote diodes using a Delta-Sigma analog-to-digital converter with a digital over-temperature detector.

Key Features

  • n Accurately senses die temperature of 3 remote ICs, or diode junctions Simplified Block Diagram DS101058-1 SMBus™ is a trademark of the Intel Corporation. Pentium II ® is a registered trademark of the Intel Corporation. I2C ® is a registered trademark of the Philips Corporation. © 1999 National Semiconductor Corporation DS101058 www. national. com LM83 Connection Diagram QSOP-16 Ordering Information Order Number LM83CIMQA NS Package Number MQA16A (QSOP-16) MQA16A (QSOP-16) Transport Medi.

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LM83 Triple-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface November 1999 LM83 Triple-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface General Description The LM83 is a digital temperature sensor with a 2 wire serial interface that senses the voltage and thus the temperature of three remote diodes using a Delta-Sigma analog-to-digital converter with a digital over-temperature detector. The LM83 accurately senses its own temperature as well as the temperature of three external devices, such as Pentium II ® Processors or diode connected 2N3904s. The temperature of any ASIC can be detected using the LM83 as long as a dedicated diode (semiconductor junction) is available on the die.