The MAX3070E-MAX3079E are 3.3V RS-485/RS-422 transceivers with features such as overcurrent protection and fail-safe circuitry. They are suitable for both half-duplex and full-duplex communications.
The Maxim MAX3070E–MAX3079E series are 3.3 V RS‑485/RS‑422 transceivers with ±15 kV ESD protection, offering fail‑safe receiver outputs and hot‑swap capability.
Depending on the part number, the devices provide selectable slew‑rate options for data rates up to 250 kbps, 500 kbps, or 16 Mbps, support full‑ or half‑duplex operation, and feature low‑current shutdown modes.
| Supply Voltage (VCC) | 3.3 V ±10% |
|---|---|
| Driver Output Current | ±250 mA |
| Maximum Data Rate | 250 kbps (250 kbps models) |
| Maximum Data Rate | 500 kbps (500 kbps models) |
| Maximum Data Rate | 16 Mbps (16 Mbps models) |
| Operating Temperature Range | -40 °C to +125 °C |
| No‑load Supply Current | 800 µA |
The MAX3070E supports a maximum data rate of 250 kbps.
The MAX3079E has a pin‑selectable slew‑rate for 250 kbps, 500 kbps, and 16 Mbps.
It guarantees a logic‑high receiver output when the receiver inputs are open or shorted.
The devices include hot‑swap capability to eliminate false transitions during power‑up or hot insertion.