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