National Semiconductor LM4040 Precision Micropower Shunt Voltage Reference Datasheet

The LM4040 precision micropower shunt voltage reference is ideal for space critical applications. It is available in the sub-miniature SC70 and SOT-23 surface-mount package. The LM4040's advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4040 easy to use.


National Semiconductor LM4040 Precision Micropower Shunt Voltage Reference Datasheet - cover page
Brand
National Semiconductor
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
30
File format
PDF
File size
328 KB
Published
05 July, 2012
Updated
30 September, 2023
MD5 checksum
61E6A8E631A479544CE1EB6964E289D0

About this manual

The LM4040 is a precision micropower shunt voltage reference designed for space-critical applications. It is available in sub-miniature SC70 and SOT-23 surface-mount packages and eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load. The device offers fixed reverse breakdown voltages ranging from 2.048V to 10.000V and is suitable for portable equipment, data acquisition systems, and instrumentation.

What's inside

  • General Description
  • Features
  • Key Specifications
  • Applications
  • Ordering Information
  • Package Marking Information
  • Absolute Maximum Ratings
  • Operating Ratings
  • Electrical Characteristics

Specifications

Fixed reverse breakdown voltages2.048V, 2.500V, 3.000V, 4.096V, 5.000V, 8.192V, and 10.000V
Output voltage tolerance (A grade, 25˚C)±0.1% (max)
Low output noise (10 Hz to 10 kHz)35 µVrms(typ)
Minimum operating current (LM4040-2.5)60 µA
Maximum operating current15 mA
Industrial temperature range−40˚C to +85˚C
Extended temperature range−40˚C to +125˚C
Low temperature coefficient100 ppm/˚C (max)

Frequently asked questions

What packages are available for the LM4040?

The LM4040 is available in the sub-miniature SC70 and SOT-23 surface-mount package.

Does the LM4040 require an external stabilizing capacitor?

No, the LM4040's advanced design eliminates the need for an external stabilizing capacitor.

What is the output voltage tolerance for A grade at 25˚C?

The output voltage tolerance for A grade at 25˚C is ±0.1% (max).

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