Key facts
- Brand
- Analog Devices
- Model
- ADM2491E
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-07
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Analog Devices ADM2491E Isolated RS‑485 Transceiver Datasheet
The ADM2491E is an isolated RS‑485/RS‑422 transceiver that can operate in half‑ or full‑duplex mode. It offers up to 16 Mbps data rate, +8 kV ESD protection, and supports both 3 V and 5 V logic supplies.
The device is supplied in a 16‑lead wide‑body SOIC package, is rated for –40 °C to +85 °C operation, and meets UL 1577 and VDE 0884 safety approvals. Up to 32 transceivers may be placed on a single bus.
Analog Devices ADM2491E specifications
| Maximum Data Rate | 16 Mbps |
|---|---|
| Logic Side Supply Voltage | 3.0 V – 5.5 V |
| Bus Side Supply Voltage | 5 V isolated |
| Isolation Voltage (UL 1577) | 5000 Vrms for 1 min |
| Operating Temperature Range | ‑40 °C to +85 °C |
| Package | 16‑lead wide‑body SOIC (RW‑16) |
| Maximum Nodes on Bus | 32 |
Source: Analog Devices ADM2491E Isolated RS‑485 Transceiver Datasheet
All Analog Devices ADM2491E documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum data rate of the ADM2491E?
The device supports up to 16 Mbps data rate.
From: Analog Devices ADM2491E Isolated RS‑485 Transceiver Datasheet
How many transceivers can be connected on a single RS‑485 bus?
Up to 32 transceivers may be placed on the bus.
From: Analog Devices ADM2491E Isolated RS‑485 Transceiver Datasheet