MAX3080–MAX3089 is a series of high-speed transceivers for RS-485/RS-422 communication, featuring fail-safe circuitry that guarantees a logic-high receiver output when the receiver inputs are open or shorted.
The document describes a family of high-speed transceivers (MAX3080-MAX3089) designed for RS-485/RS-422 communication. These devices feature fail-safe circuitry to guarantee a logic-high receiver output when inputs are open or shorted, ensuring error-free data transmission up to 10Mbps depending on the specific model and slew-rate settings.
The transceivers support various operating modes including full-duplex and half-duplex communications. They allow up to 256 transceivers on a single bus due to their 1/8-unit-load receiver input impedance. Specific models offer selectable slew rates or independent phase controls for twisted-pair reversal correction.
| Maximum Data Rate (MAX3086-MAX3089) | 10 Mbps |
|---|---|
| Maximum Data Rate (MAX3083-MAX3085) | 500 kbps |
| Maximum Data Rate (MAX3080-MAX3082) | 115 kbps |
| Receiver Input Impedance | 1/8-unit-load |
| Maximum Transceivers on Bus | 256 |
| Supply Current (No Load) | 375 µA |
The MAX3086, MAX3087, and MAX3088 models support transmit speeds up to 10Mbps because their driver slew rates are not limited.
All devices in this series allow up to 256 transceivers to be connected on the bus.