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LM3911 - Temperature Controller

Download the LM3911 datasheet PDF. This datasheet also covers the LM3 variant, as both devices belong to the same temperature controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM3911 is a highly accurate temperature measurement and or control system for use over a b25 C to a 85 C temperature range Fabricated on a single monolithic chip it includes a temperature sensor a stable voltage reference and an operational amplifier The output voltage of the LM3911 is directly

Key Features

  • Y Y Y Y Y Y Y Uncalibrated accuracy g 10 C Internal op amp with frequency compensation Linear output of 10 mV K (10 mV C) Can be calibrated in degrees Kelvin Celsius or Fahrenheit Output can drive loads up to 35V Internal stable voltage reference Low cost Block Diagram Typical.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM3-911.pdf) that lists specifications for multiple related part numbers.

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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.

View original datasheet text
LM3911 Temperature Controller June 1994 LM3911 Temperature Controller General Description The LM3911 is a highly accurate temperature measurement and or control system for use over a b25 C to a 85 C temperature range Fabricated on a single monolithic chip it includes a temperature sensor a stable voltage reference and an operational amplifier The output voltage of the LM3911 is directly proportional to temperature in degrees Kelvin at 10 mV K Using the internal op amp with external resistors any temperature scale factor is easily obtained By connecting the op amp as a comparator the output will switch as the temperature transverses the set-point making the device useful as an on-off temperature controller An active shunt regulator is connected across the power leads of the LM3911 to prov