Intersil ISL31480E
The ISL31480E and ISL31486E feature a logic supply (VL) pin that sets the VOH of the Rx outputs, and the switching points of the logic input pins, to be compatible with a lower supply voltage (down to 1.8V) in mixed voltage systems.FEATURES
● Fault Protected RS-485 Bus Pins . . . . . . . . . . . . . . up to ±60V● Extended Common Mode Range . . . . . . . . . . . . . . . . . . . ±25V More Than Twice the Range Required for RS-485
● Cable Invert Pins (Except ISL31480) Corrects for Reversed Cable Connections While Maintaining Rx Full Fail-safe Functionality
● Logic Supply (VL) Pin (ISL31480E, ISL31486E) Simplifies Interface to Lower Voltage Logic Devices
● Full Fail-safe (Open, Short, Terminated) RS-485 Receivers
● 1/4 Unit Load (UL) for up to 128 Devices on the Bus
● High Rx IOL for Opto-Couplers in Isolated Designs
● Hot Plug Circuitry - Tx and Rx Outputs Remain Three-State During Power-up/Power-down
● Slew Rate Limited RS-485 Data Rate . . . . . . . . . . . . . 1Mbps
● Low Quiescent Supply Current . . . . . . . . . . . . . . . . . . . 2.3mA Ultra Low Shutdown Supply Current . . . . . . . . . . . . . . . 10µA
APPLICATIONS
● Utility Meters/Automated Meter Reading Systems● High Node Count RS-485 Systems
● PROFIBUS®...