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 ensure 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% (max) for the A grade to 1% (max) 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 45 µA (typ), 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.
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LM4040 Precision Micropower Shunt Voltage Reference datasheet (Rev. N) | PDF | HTML | 2017年 10月 9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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| 封裝 | 引腳 | 下載 |
|---|---|---|
| SOT-23 (DBZ) | 3 | 檢視選項 |
| SOT-SC70 (DCK) | 5 | 檢視選項 |
| TO-92 (LP) | 3 | 檢視選項 |