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LM64 - Remote Diode Temperature Sensor

Description

The LM64 is a remote diode temperature sensor with PWM fan control.

The LM64 accurately measures its own temperature and that of a remote diode.

The LM64 remote temperature accuracy is factory trimmed for a MMBT3904 diode-connected transistor with a 16°C offset for high temperatures.

Features

  • 1.
  • 2 Accurately Senses Remote and Local Diode Temperatures.
  • Integrated PWM Fan Speed Control Output.
  • Programmable 8-step Lookup Table for Quieting Fans.
  • ALERT and T_Crit Open-drain Outputs.
  • Tachometer Input for Measuring Fan RPM.
  • 10 bit Plus Sign Remote Diode Temperature Data Format, with 0.125°C Resolution.
  • SMBus 2.0 Compatible Interface, Supports.

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Datasheet preview – LM64

Datasheet Details

Part number LM64
Manufacturer Texas Instruments
File Size 1.12 MB
Description Remote Diode Temperature Sensor
Datasheet download datasheet LM64 Datasheet
Additional preview pages of the LM64 datasheet.

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Full PDF Text Transcription

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LM64 www.ti.com SNAS207A – MAY 2004 – REVISED MARCH 2013 LM64 ±1°C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO's Check for Samples: LM64 FEATURES 1 •2 Accurately Senses Remote and Local Diode Temperatures • Integrated PWM Fan Speed Control Output • Programmable 8-step Lookup Table for Quieting Fans • ALERT and T_Crit Open-drain Outputs • Tachometer Input for Measuring Fan RPM • 10 bit Plus Sign Remote Diode Temperature Data Format, with 0.125°C Resolution • SMBus 2.
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