DESCRIPTION
●The LTC1321/LTC1322/LTC1335 are low power CMOS bidirectional transceivers, each featuring tworeconfigurable interface ports. Each can be configured as two RS485 differential ports, as two single-ended ports, or as one RS485 differential port and one single-ended port.
●FEATURE
●■ LTC1321: 2-EIA562/RS232 Transceivers/2-RS485 Transceivers
●■ LTC1322: 4-EIA562/RS232 Transceivers/2-RS485 Transceivers
●■ LTC1335: 4-EIA562 Transceivers/2-RS485 Transceivers with OE
●■ LTC1321/LTC1322 Have the Same Pinout as SP301/SP302
●■ LTC1335 Features Receiver Three-State Outputs
●■ Low Supply Current: 1mA Typical
●■ 15µA Supply Current in Shutdown
●■ 120kBaud in EIA/TIA-562 or RS232 Mode
●■ 10MBaud in RS485/RS422 Mode
●■ Self-Testing Capability in Loopback Mode
●■ Power-Up/Down Glitch-Free Outputs
●■ Driver Maintains High Impedance in Three-State, Shutdown or With Power Off
●■ Thermal Shutdown Protection
●■ I/O Lines Can Withstand ±25V
●■ Withstands Repeated 10kV ESD Pulses
●APPLICATIONS
●■ Low Power RS485/RS422/EIA562/RS232 Interface
●■ Cable Repeater
●■ Level Translator
