REF5030
- Low temperature drift (maximum):
- Enhanced-grade: 2.5ppm/°C
- High-grade: 3ppm/°C
- Standard-grade: 8ppm/°C
- High accuracy (maximum):
- Enhanced-grade: 0.025%
- High-grade: 0.05%
- Standard-grade: 0.1%
- Low noise:
- Enhanced-grade: 0.5µVPP/V
- High/Standard-grade: 3µVPP/V
- Excellent long-term stability:
- 22ppm after first 1000 hours (SOIC-8)
- 50ppm after first 1000 hours (VSSOP-8)
- Wide input voltage support:
- Enhanced-grade: 42V
- High/Standard-grade: 18V
- High-output current: ±10mA
- Temperature range: -40°C to 125°C
The REF50xx is a family of low-noise, low-drift, very high precision voltage references. These references are capable of both sinking and sourcing current, and have excellent line and load regulation.
Excellent temperature drift (2.5ppm/°C) and high accuracy (0.025%) are achieved using proprietary design techniques. These features, combined with very low flicker noise (0.5µVPP/V), make the REF50xx family an excellent choice for use in high-precision data acquisition systems. REF50 family is available in enhanced grade (REF50xxEI), high grade (REF50xxI) and standard grade (REF50xxAI). The reference voltages are offered in 8-pin SOIC and VSSOP packages and are specified from –40°C to 125°C.
The REF50xxEI supports wide supply voltage rating of 42V with ultra-low IQ of 280µA. The wide supply range allows for direct connection to the battery or field supply. This also protects the device in case of power supply IC failure.
技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | REF50xx Low-Noise, Very Low Drift, Wide VIN Precision Voltage Reference datasheet (Rev. L) | PDF | HTML | 2024年 10月 18日 |
Application note | Voltage Reference Selection and Design Tips For Data Converters (Rev. B) | PDF | HTML | 2024年 1月 9日 | |
Application note | Stacking the REF50xx for High-Voltage References (Rev. B) | PDF | HTML | 2023年 4月 25日 | |
E-book | Tips and tricks for designing with voltage references (Rev. A) | 2021年 5月 7日 | ||
Application note | Long-Term Drift in Voltage References | PDF | HTML | 2021年 3月 25日 | |
Application note | Low-Noise Negative Reference Design with REF5025 | 2019年 12月 1日 | ||
E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 2019年 6月 28日 | ||
White paper | Voltage reference selection basics white paper (Rev. A) | 2018年 10月 23日 |
設計與開發
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封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
SOIC (D) | 8 | Ultra Librarian |
VSSOP (DGK) | 8 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點