SN65ALS180 - 差动驱动器和接收器对

SN65ALS180是TI德州仪器公司的一款无产品，SN65ALS180是差动驱动器和接收器对，本站介绍了SN65ALS180的封装应用图解、特点和优点、功能等，并给出了与SN65ALS180相关的TI元器件型号供参考。

SN65ALS180 - 差动驱动器和接收器对 - 无 - RS-485收发器 - 德州仪器

产品描述

The SN65ALS180 and SN75ALS180 differential driver and receiver pairs are integrated circuits designed for bidirectional data communication on multipoint bus-transmission lines. They are designed for balanced transmission lines and meet TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11.

The SN65ALS180 and SN75ALS180 combine a 3-state differential line driver and a differential input line receiver, both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, that can be connected together externally to function as a direction control. The driver differential outputs and the receiver differential inputs are connected to separate terminals for greater flexibility and are designed to offer minimum loading to the bus when the driver is disabled or VCC = 0.

These ports feature wide positive and negative common-mode voltage ranges, making the device suitable for party-line applications.

产品特性

Meet or Exceed the Requirements of TIA/EIA-422-B, TIA/EIA-485-A and ITU Recommendation V.11
High-Speed Advanced Low-Power Schottky Circuitry
Designed for 25-Mbaud Operation in Both Serial and Parallel Applications
Low Skew Between Devices ...6 ns Max
Low Supply-Current Requirements . . . 30 mA Max
Individual Driver and Receiver I/O Pins With Dual VCC and Dual GND
Wide Positive and Negative Input/Output Bus Voltage Ranges
Driver Output Capacity . . . ±60 mA
Thermal Shutdown Protection
Driver Positive- and Negative-Current Limiting
Receiver Input Impedance . . . 12 k Min
Receiver Input Sensitivity . . . ±200 mV Max
Receiver Input Hysteresis . . . 60 mV Typ
Operate From a Single 5-V Supply
Glitch-Free Power-Up and Power-Down Protection

These devices meet or exceed the requirements of TIA/EIA-485-A, except for the Generator Contention Test (para. 3.4.2) and the Generator Current Limit (para. 3.4.3). The applied test voltage ranges are –6 V to 8 V for the SN75ALS180 and –4 V to 8 V for the SN65ALS180.

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