現在提供此產品的更新版本
具備升級功能，可直接投入使用替代所比較的裝置。
LM285-2.5
- Operating Current Range 20 µA to 20 mA
- 1.5% and 3% Initial Voltage Tolerance
- Reference Impedance
- LM385 1 Ω Maximum at 25°C
- All Devices 1.5 Ω Maximum Over Full Temperature Range
- Very Low Power Consumption
The LMx85-2.5 and LM385B are micropower, two-terminal, band-gap voltage references that operate over a 20-µA to 20-mA current range and feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming provides tight voltage tolerance. The band-gap reference for these devices has low noise and long-term stability.
The design makes these devices exceptionally tolerant of capacitive loading and, thus, easier to use in most reference applications. The wide dynamic operating temperature range accommodates varying current supplies, with excellent regulation.
The extremely low power drain of this series makes these devices useful for micropower circuitry. These voltage references can be used to make portable meters, regulators, or general-purpose analog circuitry, with battery life approaching shelf life. The wide operating current range of these voltage references allows them to replace older references with tighter-tolerance parts.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | LMx85-2.5, LM385B-2.5 Micropower Voltage References datasheet (Rev. L) | PDF | HTML | 2018/2/16 | ||
| 電子書 | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 2019/6/28 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR — Shunt Voltage Reference External Resistor Quick Start Calculator
此外部電阻快速入門計算機工具可讓您輕鬆計算相對電壓參考、電源供應和負載電流限制的有效外部電阻值。透過這些輸入，您可以立即查看計算結果，並使用顏色編碼指示來了解計算出的輸出是有效或無效值。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| TO-92 (LP) | 3 | Ultra Librarian |
| SOIC (D) | 8 | Ultra Librarian |