The ADM483 is a low power differential line transceiver suitable for low power RS-485 applications. It has a low power consumption of 120µA and a supply current of 100nA in shutdown mode.
The ADM483 is a low‑power differential line transceiver designed for half‑duplex RS‑485/RS‑422 communication on multipoint buses. It features slew‑rate limiting for low EMI, fail‑safe receiver output, and thermal shutdown protection. The device is pin‑compatible with MAX483 and operates over a wide common‑mode range.
The datasheet provides detailed electrical specifications, timing parameters, pin functions, absolute maximum ratings, and test circuit examples. Typical applications include industrial control, LANs, level translators, and EMI‑sensitive systems.
| Maximum Data Rate | 250 kbps |
|---|---|
| Common‑Mode Output Voltage Range | -7 V to +12 V |
| Operating Temperature Range | -40°C to +85°C |
| Supply Voltage (VEE) | 5 V |
| Input Impedance | 12 kΩ |
The ADM483 supports a maximum data rate of 250 kbps.
Up to 32 transceivers can share a single bus.
The device operates from –7 V to +12 V common‑mode voltage.
In shutdown mode the supply current is 0.1 µA (10 pA).