Single Transmitter/Receiver RS-422/RS-485 8-Pin MSOP T/R

Intersil’s ISL3159E is a ±15kV IEC61000 ESD protected, 5V powered, single transceiver that meets both the RS-485 and RS-422 standards for balanced communication. It also features the larger output voltage and higher data rate - up to 40Mbps - required by high speed PROFIBUS applications, and is offered in industrial and extended Industrial (-40°C to +125°C) temperature ranges. The low bus currents (+220µA/-150µA) present a “1/5 unit load” to the RS-485 bus. This allows up to 160 transceivers on the network without violating the RS-485 specification’s load limit and without using repeaters.

• Specified for +125°C operation
• 11/13ns (max) Tx/Rx propagation delays; 1.5ns (max) skew
• 1/5 unit load allows up to 160 devices on the bus
• Full fail-safe (open, shorted, terminated/undriven) receiver
• High Rx IOL to drive optocouplers for isolated applications
• Hot plug - Tx and Rx outputs remain three-state during power-up
• -7V to +12V common-mode input voltage range
• Three-state Rx and Tx outputs
• Operates from a single +5V supply (10% tolerance)
• Current limiting and thermal shutdown for driver overload protection
• Pb-free (RoHS compliant)