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LM369 - Precision Voltage Reference

Download the LM369 datasheet PDF. This datasheet also covers the LM3 variant, as both devices belong to the same precision voltage reference family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM169 LM369 are precision monolithic temperaturecompensated voltage references They are based on a buried zener reference as pioneered in the LM199 references but do not require any heater as they rely on special temperature-compensation techniques (Patent Pending) The LM169 makes use of thin-fi

Key Features

  • Y Y Y Y Y Y Y Y Low Tempco 3 ppm C g 5 mV Excellent initial accuracy Excellent line regulation 4 ppm V g 0 8X Excellent output impedance Excellent thermal regulation g 20 ppm 100 mW Low noise Easy to filter output noise Operates in series or shunt mode (max) (max) (max) (max) (max).

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Note: The manufacturer provides a single datasheet file (LM3-69.pdf) that lists specifications for multiple related part numbers.

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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LM169 LM369 Precision Voltage Reference December 1994 LM169 LM369 Precision Voltage Reference General Description The LM169 LM369 are precision monolithic temperaturecompensated voltage references They are based on a buried zener reference as pioneered in the LM199 references but do not require any heater as they rely on special temperature-compensation techniques (Patent Pending) The LM169 makes use of thin-film technology enhanced by the discrete laser trimming of resistors to achieve excellent Temperature coefficient (Tempco) of Vout (as low as 1 ppm C) along with tight initial tolerances (as low as 0 05% max) The trim scheme is such that individual resistors are cut open rather than being trimmed (partially cut) to avoid resistor drift caused by electromigration in the trimmed area T