This document describes the features and characteristics of the ADM483 low power differential line transceiver, including compliance with the EIA RS-485/RS-422 standard, data rates up to 250 kbps, low electromagnetic interference, and low power consumption. The product is suitable for low power RS-485 applications, EMI sensitive systems, DTE-DCE interfaces, industrial control, etc.
The ADM483 is a low‑power differential line transceiver designed for half‑duplex data communication on RS‑485 and RS‑422 buses. It features a single differential driver/receiver pair, fail‑safe receiver output, and slew‑rate limited driver to reduce EMI.
Key features include data rates up to 250 kbps, support for up to 32 transceivers on a single bus, a wide common‑mode voltage range of –7 V to +12 V, and thermal shutdown and short‑circuit protection. The device operates from a 5 V supply and meets industrial temperature specifications.
| Maximum Data Rate | 250 kbps |
|---|---|
| Operating Temperature Range | -40°C to +85°C |
| Input Impedance | 12 kΩ |
| Supply Current (Shutdown) | 0.1 µA |
The ADM483 supports a maximum data rate of 250 kbps.
Up to 32 ADM483 transceivers can share a single bus.
The device operates from –40 °C to +85 °C.
In shutdown mode the supply current is about 0.1 µA.