LM4040
- 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 loads; no output capacitor required
- Available in extended temperature range: –40°C to 125°C
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.
技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | LM4040 Precision Micropower Shunt Voltage Reference datasheet (Rev. O) | PDF | HTML | 2024年 6月 28日 |
Application brief | Using Voltage Supervisors in High Voltage Applications (Rev. B) | PDF | HTML | 2023年 2月 20日 | |
E-book | Tips and tricks for designing with voltage references (Rev. A) | 2021年 5月 7日 | ||
White paper | Simplifying Signal Chain Design for High Performance in Small Systems | 2020年 10月 22日 | ||
E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 2019年 6月 28日 | ||
Technical article | How to use a voltage reference as a voltage regulator | PDF | HTML | 2018年 12月 4日 | |
White paper | Voltage reference selection basics white paper (Rev. A) | 2018年 10月 23日 | ||
Technical article | Can I get that shunt reference to go, please? | PDF | HTML | 2016年 2月 29日 |
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PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
SOT-23 (DBZ) | 3 | Ultra Librarian |
SOT-SC70 (DCK) | 5 | Ultra Librarian |
TO-92 (LP) | 3 | Ultra Librarian |
訂購與品質
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- 進行中持續性的可靠性監測
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