LM75B
- No External Components Required
- Shutdown Mode to Minimize Power Consumption
- Up to Eight LM75s Can be Connected to a Single Bus
- Power Up Defaults Permit Stand-alone Operation as Thermostat
- UL Recognized Component (LM75B and LM75C)
- Key Specifications:
- Supply Voltage
- LM75B, LM75C: 3 V to 5.5 V
- Supply Current
- Operating: 280 μA (typical)
- Shutdown: 4 μA (typical)
- Temperature Accuracy
- −25°C to 100°C: ±2°C (maximum)
- −55°C to 125°C: ±3°C (maximum)
- Supply Voltage
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The LM75B and LM75C are industry-standard digital temperature sensors with an integrated Sigma-Delta analog-to-digital converter and I2C interface. The LM75 provides 9-bit digital temperature readings with an accuracy of ±2°C from -25°C to 100°C and ±3°C over –55°C to 125°C.
Communication is accomplished over a 2-wire interface which operates up to 400kHz. The LM75 has three address pins, allowing up to eight LM75 devices to operate on the same 2-wire bus. The LM75 has a dedicated over-temperature output (O.S.) with programmable limit and hystersis. This output has programmable fault tolerance, which allows the user to define the number of consecutive error conditions that must occur before O.S. is activated.
The wide temperature and supply range and I2C interface make the LM75 ideal for a number of applications including base stations, electronic test equipment, office electronics, personal computers, and any other system where thermal management is critical to performance. The LM75B and LM75C are available in an SOIC package or VSSOP package.
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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 | LM75x Digital Temperature Sensor and Thermal Watchdog With Two-Wire Interface datasheet (Rev. D) | PDF | HTML | 2015/10/15 | ||
| 應用說明 | How to Read and Interpret Digital Temperature Sensor Output Data (Rev. A) | PDF | HTML | 2025/1/21 | |||
| 應用說明 | LM75B and TMP1075 Industry-Standard Devices: Design Guidelines and Spec Comparison (Rev. A) | PDF | HTML | 2024/3/7 | |||
| 應用說明 | Applying I2C-Compatible Temperature Sensors in Systems With Slow Clock Edges (Rev. A) | 2013/5/6 | ||||
| 應用說明 | Tiny Temperature Sensors for Remote Systems | 2003/2/17 |
設計與開發
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TIDA-010008 — 適合電網應用瞬態保護的平箝制 TVS 架構參考設計
| 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 |