LM56
- Digital Outputs Support TTL Logic Levels
- Internal Temperature Sensor
- 2 Internal Comparators with Hysteresis
- Internal Voltage Reference
- Available in 8-pin SOIC and VSSOP Packages
The LM56 is a precision low power thermostat. Two stable temperature trip points (VT1 and VT2) are generated by dividing down the LM56 1.250V bandgap voltage reference using 3 external resistors. The LM56 has two digital outputs. OUT1 goes LOW when the temperature exceeds T1 and goes HIGH when the the temperature goes below (T1–THYST). Similarly, OUT2 goes LOW when the temperature exceeds T2 and goes HIGH when the temperature goes below (T2–THYST). THYST is an internally set 5°C typical hysteresis.
The LM56 is available in an 8-lead VSSOP surface mount package and an 8-lead SOIC.
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| 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 | LM56 Dual Output Low Power Thermostat datasheet (Rev. G) | 2013/2/19 | |||
| 應用說明 | How to Design Alert Overtemperature and Undertemperature Systems | PDF | HTML | 2026/3/9 | |||
| 證書 | UL Certificate of Compliance Vol1-Sec9 E232195 | 2018/8/6 |
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 |