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SN751177-双路差动驱动器/接收器对
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TI产品 - SN751177介绍
SN751177 - 双路差动驱动器/接收器对

SN751177是TI公司的一款无产品,SN751177是双路差动驱动器/接收器对,本页介绍了SN751177的产品说明、应用、特性等,并给出了与SN751177相关的TI元器件型号供参考。

SN751177 - 双路差动驱动器/接收器对 - 无 - RS-485收发器 - TI公司(Texas Instruments,德州仪器)

产品描述

The SN751177 and SN751178 dual differential drivers and receivers are monolithic integrated circuits that are designed for balanced multipoint bus transmission at rates up to 10 Mbit/s. They are designed to improve the performance of full-duplex data communications over long bus lines and meet ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.10 and V.11.

The SN751177 and SN751178 driver outputs provide limiting for both positive and negative currents and thermal-shutdown protection from line-fault conditions on the transmission bus line.

The receiver features high input impedance of at least 12k , an input sensitivity of ±200 mV over a common-mode input voltage range of -12 V to 12 V, and typical input hysteresis of 50 mV. Fail-safe design ensures that if the receiver inputs are open, the receiver outputs always will be high.

The SN751177 and SN751178 are characterized for operation from -20°C to 85°C.

产品特性

  • Meet or Exceed the Requirements of ANSI Standards TIA/EIA-422-B and TIA/EIA-485-A and ITU Recommendations V.10 and V.11
  • Designed for Multipoint Bus Transmission on Long Bus Lines in Noise Environments
  • Driver Positive- and Negative-Current Limiting
  • Thermal Shutdown Protection
  • Driver 3-State Outputs
  • Receiver Common-Mode Input Voltage Range of -12 V to 12 V
  • Receiver Input Sensitivity...±200 mV
  • Receiver Hysteresis...50 mV Typ
  • Receiver Input Impedance...12k Min
  • Receiver 3-State Outputs (SN751177 Only)
  • Operate From Single 5-V Supply

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