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SN65LBC172和SN75LBC172是具有三态输出的单片四路差分线路驱动器。两款器件均符合EIA标准RS-485的要求。这些器件针对平衡多点总线传输进行了优化,数据速率高达每秒超过1000万比特。每个驱动器都具有宽正负共模输出电压范围,电流限制和热关断电路,使其适用于嘈杂环境中的派对线应用。两款器件均采用LinBiCMOS设计,有利于实现超低功耗和固有的稳健性。
SN65LBC172和SN75LBC172均提供正负电流限制和热关断功能,可防止线路故障。传输总线。与SN75LBC173或SN75LBC175四线接收器配合使用时,这些器件可提供最佳性能。 SN65LBC172和SN75LBC172采用16引脚DIP封装(N)和20引脚宽体小外形内联电路(SOIC)封装(DW)。
SN75LBC172具有以下特性:在0°C至70°C的商业温度范围内操作。 SN65LBC172的工业温度范围为40°C至85°C。
LinBiCMOS是德州仪器公司的商标。
< /DIV>| Supply Voltage(s) (Nom) (V) |
| No. of TX |
| No. of RX |
| Duplex |
| Signaling Rate (Max) (Mbps) |
| IEC 61000-4-2 Contact (+/- kV) |
| HBM ESD (kV) |
| Fault Protection (V) |
| Number of Nodes |
| Common Mode Range |
| ICC (Max) (mA) |
| Isolated |
| Rating |
| Operating Temperature Range (C) |
| Package Group |
| Approx. Price (US$) |
| SN65LBC172 | SN55LBC172 | SN55LBC173 | SN65LBC173 | SN75LBC172 | SN75LBC173 |
|---|---|---|---|---|---|
| 5 | 5 | 5 | 5 | 5 | 5 |
| 4 | 4 | 0 | 0 | 4 | 0 |
| 0 | 0 | 4 | 4 | 0 | 4 |
| N/A | N/A | N/A | N/A | N/A | N/A |
| 10 | 10 | 10 | 10 | 10 | 10 |
| N/A | N/A | N/A | N/A | ||
| 2 | 2 | 2 | 2 | 2 | 2 |
| -10 to 15 | -10 to 15 | -10 to 15 | -10 to 15 | -10 to 15 | -10 to 15 |
| 32 | 32 | 32 | 32 | 32 | 32 |
| -7 to 12 | -7 to 12 | -7 to 12 | -7 to 12 | -7 to 12 | -7 to 12 |
| 7 | 7 | 11 | 20 | 7 | 20 |
| No | No | No | No | No | No |
| Catalog | Military | Military | Catalog | Catalog | Catalog |
| -40 to 85 | -55 to 125 | -55 to 125 | -40 to 85 | 0 to 70 | 0 to 70 |
| PDIP SOIC | CDIP CFP LCCC | CDIP CFP LCCC | PDIP SOIC | PDIP SOIC | PDIP SOIC |
| 2.43 | 1ku | 1.33 | 1ku | 1.89 | 1ku | 1.21 | 1ku | ||
| 无样片 | 无样片 |