General Description

The CA-IS308x family of devices is a galvanically-isolated RS- 485/RS-422 transceiver that has superior isolation and  RS485 performance to meet the needs of industrial applications. All devices of this family have the logic input and output buffers separated by a silicon oxide (SiO2)  insulation barrier that provides galvanic isolation, features up to 5000VRMS (60s) of galvanic isolation, and ±150kV/μs typical CMTI. Isolation improves communication by breaking ground loops and reduces noise where there are large differences in ground potential between ports. 

The CA-IS308x family of devices supports multiple node communications on bus line, and max data rate up to  20Mbps, allowing up to 256 transceivers (loads) on a  common bus. Maintaining multidrop operation and increasing the maximum data rate offers a more robust system design for reliable communication. For the CA-IS308x family of devices, The CA-IS3080 and CA-IS3086 full-duplex transceivers are designed for bidirectional data communications on multipoint bus transmission lines simultaneously. The CA-IS3082 and CS-IS3088 provide half-duplex transceivers, the driver and receiver enable pins let any node at any given moment be configured in either transmit or receive mode which decreases cable requirements.