RS-485 Line Drivers and Receivers, Intersil
Reliable data transmission applications over long twisted pair wiring with Intersil's Half duplex and full duplex RS-485 transceivers available in a variety of speed grades.
Feature
- Class 3 ESD level on all other pins >7kV HBM
Full fail-safe (open, short, terminated/floating) receivers
Hot plug - Tx and Rx outputs remain three-state during power-up (only versions with output enable pins)
True 1/8 unit load allows up to 256 devices on the bus
Single 3.3V supply
High data rates up to 20Mbps
Low quiescent supply current 800µA (Max)
- Ultra low shutdown supply current 10nA
-7V to +12V common-mode input/output voltage range
Half and full duplex pinouts
Three state Rx and Tx outputs available
Current limiting and thermal shutdown for driver overload protection
Tiny MSOP packages consume 50% less board space
Pb-free (RoHS compliant) APPLICATIONS
Automated utility meter reading systems
High node count systems
Field bus networks
Security camera networks
Building environmental control/lighting systems
Industrial/process control networks