ADM1485

a FEATURES Meets EIA RS-485 Standard 30 Mbps Data Rate Single 5 V Supply –7 V to +12 V Bus Common-Mode Range High Speed, Low Power BiCMOS Thermal Shutdown Protection Short-Circuit Protection Driver Propagation Delay: 10 ns Receiver Propagation Delay: 15 ns High-Z Outputs with Power Off Superior Upgrade for LTC1485 APPLICATIONS Low Power RS-485 Systems DTE-DCE Interface Packet Switching Local Area Networks Data Concentration Data Multiplexers Integrated Services Digital Network (ISDN) 5 V Low Power EIA RS-485 Transceiver ADM1485 FUNCTIONAL BLOCK DIAGRAM 8-Lead ADM1485 RO R RE DE DI D VCC B A GND GENERAL DESCRIPTION The ADM1485 is a differential line transceiver suitable for high speed bidirectional data communication on multipoint bus transmission lines. It is designed for balanced data transmission and complies with both RS-485 and RS-422 EIA Standards. The part contains a differential line driver and a differential line receiver. Both the driver and the receiver may be enabled i...