5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers

The Intersil RS-485/RS-422 devices are BiCMOS 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Unlike competitive devices, this Intersil family is specified for 10 tolerance supplies (4.5V to 5.5V).

特性 Features

? Specified for 10 Tolerance Supplies

? Class 3 ESD Protection (HBM) on all Pins. . . . . . . . >7kV

? High Data Rates. . . . . . . . . . . . . . . . . . . . . . up to 5Mbps

? Slew Rate Limited Versions for Error Free Data

Transmission at 250kbps(ISL8483, ISL8488, ISL8489)

? Single Unit Load Allows up to 32 Devices on the Bus

? 1nA Low Current Shutdown Mode (ISL8483)

? Low Quiescent Current:

-160μA (ISL8483, ISL8488, ISL8489)

-500μA (ISL8485, ISL8490, ISL8491)

? -7V to +12V Common Mode Input Voltage Range

? Three State Rx and Tx Outputs (Except ISL8488, ISL8490)

? 30ns Propagation Delays, 5ns Skew (ISL8485, ISL8490, ISL8491)

? Full Duplex and Half Duplex Pinouts

? Operate from a Single +5V Supply (10 Tolerance)

? Current Limiting and Thermal Shutdown for driver Overload Protection

? Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

? Factory Automation

? Security Networks

? Building Environmental Control Systems

? Industrial/Process Control Networks

? Level Translators (e.g., RS-232 to RS-422)

? RS-232 “Extension Cords”