| Digital Temperature Sensors for the PC Application |
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Objective:
Understand how digital temperature sensors measure temperature; Understand how digital temperature sensors can be used in a PC application.
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Online Seminar:
Thermal Management For High Performance Processor Systems, 3/26/02, Christopher Stensager and Emmy Denton
As the processors, memory and ASICs of today's systems are pushed to higher performance in more enclosed spaces, processor thermal management is quickly becoming a limiting design factor. One of the essential tools in optimizing processor performance is the Remote Diode Temperature Sensor. However, this tool must be understood to be used properly. Without proper applications techniques a ±1°C temperature sensor may yield a ±7°C accuracy or worse in addition to needlessly tying down various system monitors. When monitoring a system using remote diode temperature sensor, the system designer must understand the applications, advantages, and limitations of the device. This presentation addresses concepts in keeping processors cool, with minimal system loading through understanding remote diode temperature sensing.
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Reading Assignment:
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Research Assignment:
Using the datasheets for LM82, LM86, LM91
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Which part has the best local temperature accuracy? check answer
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Which part has the best remote diode temperature accuracy? check answer
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Which part has the highest resolution A/D Converter. check answer
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Program Coordinator/Professor
Emmy Denton
 Emmy Denton is a staff engineer in National Semiconductor's Data Conversion Systems Group in Santa Clara CA working with temperature sensors and hardware monitors.
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Quiz:
Take a quiz to check your understanding of this subject. Click here.
Answer all questions correctly to receive a certificate from Dean Bob Pease.
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