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LM4040C Datasheet PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

Manufacturer: Texas Instruments

Overview: LM4040A, LM4040B, LM4040C, LM4040D SLOS456P – JANUARY 2005 – REVISED MARCH 2025 LM4040 Precision Micropower Shunt Voltage Reference.

Download the LM4040C datasheet PDF. This datasheet also includes the LM4040A variant, as both parts are published together in a single manufacturer document.

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General Description

The LM4040 series of shunt voltage references are versatile, easy-to-use references that cater to a vast array of applications.

The 2-pin fixed-output device requires no external capacitors for operation and is stable with all capacitive loads.

Additionally, the reference offers low dynamic impedance, low noise, and low temperature coefficient to maintain a stable output voltage over a wide range of operating currents and temperatures.

Key Features

  • Fixed output voltages of 2.048V, 2.5V, 3V, 4.096V, 5V, 8.192V, and 10V.
  • Tight output tolerances and low temperature coefficient.
  • Maximum 0.1%, 100ppm/°C.
  • A Grade.
  • Maximum 0.2%, 100ppm/°C.
  • B Grade.
  • Maximum 0.5%, 100ppm/°C.
  • C Grade.
  • Maximum 1.0%, 150ppm/°C.
  • D Grade.
  • Low output noise: 35μVRMS typical.
  • Wide operating current range: 45μA typical to 15mA.
  • Stable with all capacitive loa.

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