The ADM2490E is a high speed, ESD-protected, full-duplex, iCoupler isolated RS-485 transceiver.
The ADM2490E is an isolated, full‑duplex RS‑485/RS‑422 transceiver with up to 16 Mbps data rate and +8 kV ESD protection. It supports 3 V or 5 V operation and includes thermal shutdown and fail‑safe receiver features.
The document provides detailed specifications, pin descriptions, timing data, regulatory approvals, and typical application circuits for industrial field networks and other isolated communication needs.
| Maximum Data Rate | 16 Mbps |
|---|---|
| ESD Protection | +8 kV |
| Operating Temperature Range | ‑40 °C to +105 °C |
| Isolation Voltage (UL) | 5000 Vrms for 1 min |
| Package Type | 16‑lead SOIC (wide body) |
The ADM2490E supports a maximum data rate of 16 Mbps.
It provides +8 kV electrostatic discharge protection on the RS‑485 pins.
The device operates from –40 °C up to +105 °C.
The part is UL‑recognized for 5000 Vrms isolation voltage for 1 minute.