ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E are half- and full-duplex RS-485/RS-422 transceivers with a working voltage of 3.3 V and ±15 kV ESD protection. They can be used in power/energy metering, telecommunications, EMI-sensitive systems, industrial control and local area networks.
The ADM3483E‑ADM3491E family are 3.3 V, low‑power RS‑485/RS‑422 transceivers with ±15 kV ESD protection, offered in half‑ and full‑duplex versions for industrial communication, power‑metering, telecommunications and LAN applications.
Key specifications include data rates up to 12 Mbps, 12 kΩ receiver input impedance, up to 32 nodes on a bus, and shutdown current as low as 1 µA. Devices are supplied in 8‑lead or 14‑lead narrow SOIC packages and feature fail‑safe receiver design and thermal shutdown protection.
| Maximum Data Rate (ADM3486E) | 2.5 Mbps |
|---|---|
| Supply Voltage | 3.3 V ± 0.3 V |
| ESD Protection | ±15 kV on bus pins |
| Package Types | 8‑lead and 14‑lead narrow SOIC |
| Receiver Input Impedance | 12 kΩ |
| Maximum Nodes on Bus | 32 |
| Shutdown Current | 1 µA |
| Operating Temperature Range | -40 °C to +85 °C |
The ADM3486E supports a maximum data rate of 2.5 Mbps.
Up to 32 nodes can be connected on the bus.
All devices provide ±15 kV ESD protection on the RS‑485 input/output pins.
The ADM3491E is offered in a 14‑lead narrow SOIC package.