
Maxim Integrated
General Description
The MAX3097E/MAX3098E feature three high-speed RS-485/RS-422 receivers with fault-detection circuitry and
fault-status outputs. The receivers’ inputs have fault thresholds that detect when the part is not in a valid state.
FEATUREs
♦Detects the Following RS-485 Faults:
Open-Circuit Condition
Short-Circuit Condition
Low Differential Voltage Signal
Common-Mode Range Violation
♦ESD Protection
±15kV—Human Body Model
±15kV—IEC 1000-4-2, Air-Gap Discharge Method
±8kV—IEC 1000-4-2, Contact Discharge Method
♦Single +3V to +5.5V Operation
♦-10V to +13.2V Extended Common-Mode Range
♦Capacitor-Programmable Delay of Fault Indication Allows Error-Free Operation at Slow Data Rates
♦Independent and Universal Fault Outputs
♦32Mbps Data Rate
♦16-Pin QSOP is 40% Smaller than Industry Standard26LS31/32 Solutions
APPLICATIONs
RS-485/RS-422 Receivers for Motor-Shaft Encoders
High-Speed, Triple RS-485/RS-422 Receiver with Extended Electrostatic Discharge (ESD)
Triple RS-485/RS-422 Receiver with Input Fault Indication
Telecommunications
Embedded Systems