ISL8491IB-T集成电路（IC）的驱动器接收器收发器规格书PDF中文资料

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).

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”