ADM3251E Rev. F is an isolated, single-channel RS-232 line driver/receiver. It features 2.5 kV isolation (power and data), 460 kbps data rate, compliance with EIA/TIA-232E specifications, high common-mode transient immunity, etc.
The ADM3251E from Analog Devices provides a fully isolated RS‑232 transceiver solution, integrating isoPower™ isolated power and a de‑to‑de converter in a 20‑lead SOIC package. It is designed for high‑noise industrial, telecommunications and medical environments where frequent cable plugging and unplugging occur.
The device operates from a single 5 V supply, offers up to 460 kbps data rate, and meets EIA/TIA‑232E specifications. It includes robust ESD protection (+15 kV air discharge, +8 kV contact discharge) and is UL, VDE and CSA certified for safety.
| Operating Voltage Range (VEE) | 4.5 V to 5.5 V |
|---|---|
| Maximum Data Rate | 460 kbps |
| Isolation Voltage (Rated Dielectric) | 2500 Vrms for 1 min |
| ESD Protection (Human Body Model) | +15 kV air discharge, +8 kV contact discharge |
| Operating Temperature Range | -40 °C to +85 °C |
The device supports a maximum data rate of 460 kbps.
It is rated for 2500 Vrms isolation for 1 minute according to UL 1577.
The ADM3251E operates from –40 °C to +85 °C.
The device offers +15 kV air discharge and +8 kV contact discharge protection on the RS‑232 pins.