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. The LM4040 uses fuse and Zener-zap reverse breakdown voltage trim during wafer sort to offer four output voltage tolerances, ranging from 0.1% (maximum) for the A grade to 1% (maximum) for the D grade. Thus, a great deal of flexibility is offered to designers in choosing the best cost-to-performance ratio for their applications.
Packaged in space-saving SC-70 and SOT-23-3 packages and requiring a minimum current of 45µA (typical), the LM4040 also is ideal for portable applications. The LM4040xI is characterized for operation over an ambient temperature range of –40°C to 85°C. The LM4040xQ is characterized for operation over an ambient temperature range of –40°C to 125°C.
| Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | LM4040 Precision Micropower Shunt Voltage Reference datasheet (Rev. O) | PDF | HTML | 28 jun 2024 |
| Application brief | Using Voltage Supervisors in High Voltage Applications (Rev. B) | PDF | HTML | 20 feb 2023 | |
| E-book | Tips and tricks for designing with voltage references (Rev. A) | 07 may 2021 | ||
| White paper | Simplifying Signal Chain Design for High Performance in Small Systems | 22 oct 2020 | ||
| E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 28 jun 2019 | ||
| Technical article | How to use a voltage reference as a voltage regulator | PDF | HTML | 04 dic 2018 | |
| White paper | Voltage reference selection basics white paper (Rev. A) | 23 oct 2018 | ||
| Technical article | Can I get that shunt reference to go, please? | PDF | HTML | 29 feb 2016 |
Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.
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| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| SOT-23 (DBZ) | 3 | Ultra Librarian |
| SOT-SC70 (DCK) | 5 | Ultra Librarian |
| TO-92 (LP) | 3 | Ultra Librarian |
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This is the first release of this tool.