- 制造厂商:TI
- 产品类别:接口
- 技术类目:RS-485 和 RS-422 收发器
- 功能描述:差动驱动器和接收器对
- 点击这里打开及下载SN75179B的技术文档资料
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The SN75179B is a differential driver and receiver pair designed for balanced transmission-line applications and meets TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11. It is designed to improve the performance of full-duplex data communications over long bus lines.
The SN75179B driver output provides limiting for both positive and negative currents. The receiver features high input impedance, input hysteresis for increased noise immunity, and input sensitivity of ±200 mV over a common-mode input voltage range of -7 V to 12V. The driver provides thermal shutdown for protection from line fault conditions. Thermal shutdown is designed to occur at a junction temperature of approximately 150°C. The SN75179B is designed to drive current loads of up to 60 mA maximum.
The SN75179B is characterized for operation from 0°C to 70°C.
H = high level, L = low level, ? = indeterminate
- Meets or Exceeds the Requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11
- Bus Voltage Range...-7 V to 12 V
- Positive- and Negative-Current Limiting
- Driver Output Capability...60 mA Max
- Driver Thermal-Shutdown Protection
- Receiver Input Impedance...12 k Min
- Receiver Input Sensitivity...±200 mV
- Receiver Input Hysteresis...50 mV Typ
- Operates From Single 5-V Supply
- Low Power Requirements
- Number of receivers
- 1
- Number of transmitters
- 1
- Duplex
- Full
- Supply voltage (Nom) (V)
- 5
- Signaling rate (Max) (Mbps)
- 10
- IEC 61000-4-2 contact (+/- kV)
- None
- Fault protection (V)
- -10 to 15
- Common mode range
- -7 to 12
- Number of nodes
- 32
- Isolated
- No
- ICC (Max) (mA)
- 70
- Rating
- Catalog
- Operating temperature range (C)
- 0 to 70
SN75179B的完整型号有:SN75179BD、SN75179BDR、SN75179BP、SN75179BPSR,以下是这些产品的关键参数及官网采购报价:
SN75179BD,工作温度:0 to 70,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN75179BD的批量USD价格:.677(1000+)
SN75179BDR,工作温度:0 to 70,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN75179BDR的批量USD价格:.564(1000+)
SN75179BP,工作温度:0 to 70,封装:PDIP (P)-8,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网SN75179BP的批量USD价格:1.145(1000+)
SN75179BPSR,工作温度:0 to 70,封装:SO (PS)-8,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN75179BPSR的批量USD价格:1.038(1000+)
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