SN75ALS172A
- Meets or exceeds ANSI standards EIA/TIA-422-B and RS-485 and ITU recommendation V.11
- High-speed advanced low-power Schottky circuitry
- Designed for 20MBaud operation in both serial and parallel applications
- Designed for multipoint transmission on long bus lines in noisy environments
- Low supply-current requirements: 55mA max
- Wide positive and negative input/output bus-voltage ranges
- Driver output capacity: ±60mA
- Thermal shutdown protection
- Driver positive and negative current limiting
- Logically interchangeable with SN75172
The SN75ALS172A comprises four line drivers with 3-state differential outputs. Which are designed to meet the requirements of ANSI Standards EIA/TIA-422-B and RS-485 and ITU Recommendation V.11. The device is optimized for balanced multipoint bus transmission at rates of up to 20Mbaud. Each driver features wide positive and negative common-mode output voltage ranges, making the driver suitable for party-line applications in noisy environments.
The SN75ALS172A provides positive- and negative-current limiting, and thermal shutdown for protection from line-fault conditions on the transmission bus line. Shutdown occurs at a junction temperature of approximately 150°C.
The SN75ALS172A is characterized for operation from 0°C to 70°C.
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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 | SN75ALS172A Quadruple Differential Line Driver datasheet (Rev. E) | PDF | HTML | 2024/4/16 |
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 (DW) | 20 | Ultra Librarian |
| PDIP (N) | 16 | Ultra Librarian |