SN65LBC179 - 低功耗差动线路驱动器和接收器对

SN65LBC179是TI德州仪器公司的一款无产品，SN65LBC179是低功耗差动线路驱动器和接收器对，本站介绍了SN65LBC179的封装应用图解、特点和优点、功能等，并给出了与SN65LBC179相关的TI元器件型号供参考。

SN65LBC179 - 低功耗差动线路驱动器和接收器对 - 无 - RS-485收发器 - 德州仪器

产品描述

The SN65LBC179, SN65LBC179Q, and SN75LBC179 differential driver and receiver pairs are monolithic integrated circuits designed for bidirectional data communication over long cables that take on the characteristics of transmission lines. They are balanced, or differential, voltage mode devices that meet or exceed the requirements of industry standards ANSI RS-485 and ISO 8482:1987(E). Both devices are designed using TI’s proprietary LinBiCMOS™ with the low power consumption of CMOS and the precision and robustness of bipolar transistors in the same circuit.

The SN65LBC179, SN65LBC179Q, and SN75LBC179 combine a differential line driver and differential line receiver and operate from a single 5-V supply. The driver differential outputs and the receiver differential inputs are connected to separate terminals for full-duplex operation and are designed to present minimum loading to the bus when powered off (VCC = 0). These parts feature a wide common-mode voltage range making them suitable for point-to-point or multipoint data bus applications. The devices also provide positive- and negative-current limiting and thermal shutdown for protection from line fault conditions. The line driver shuts down at a junction temperature of approximately 172°C.

The SN65LBC179, SN65LBC179Q, and SN75LBC179 are available in the 8-pin dual-in-line and small-outline packages. The SN75LBC179 is characterized for operation over the commercial temperature range of 0°C to 70°C. The SN65LBC179 is characterized over the industrial temperature range of –40°C to 85°C. The SN65LBC179Q is characterized over the extended industrial or automotive temperature range of –40°C to 125°C.

产品特性

Designed for High-Speed Multipoint Data Transmission Over Long Cables
Operates With Pulse Widths as Low as 30 ns
Low Supply Current . . . 5 mA Max
Meets or Exceeds the Standard Requirements of ANSI RS-485 and ISO 8482:1987(E)
Common-Mode Voltage Range of –7 V to 12 V
Positive- and Negative-Output Current Limiting
Driver Thermal Shutdown Protection
Pin Compatible With the SN75179B

LinBiCMOS is a trademark of Texas Instruments.

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