Isolated RS-485
Analog Devices offers a wide range of iCoupler® isolated RS-485 transceivers to suit many applications. These galvanically isolated RS-485/RS-422 transceivers are available in full duplex and half duplex for use in markets ranging from Motor Control to Industrial Automation, and Process Controls. These parts meet the RS-485 specification for a true multipoint communications network supporting 32 nodes on a single (2-wire) bus, with some able to modify the input impedance to allow up to 8× more nodes all with up to 5kVrms insulation ratings.
Product Selection Table
Isolated RS-485
| SortOrder | Part# | Data Rate (max) (bps) | Full or Half Duplex Operation | Insulation Rating (V rms) | CMTI (min) (V/us) | Vs+ (min) (V) | Vs+ (max) (V) | Temp Range | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ADM2795E | 2.5M | Half | 5k | 75k | 1.7 | 5.5 | -55 to 125°C | $5.95 (ADM2795EARWZ) |
| 2 | LTM2885 | 20M | Full, Half | 6.5k | 50k | 1.62 | 5.5 | -40 to 85°C | $11.98 (LTM2885CY#PBF) |
| 3 | ADM2687E | 500k | Full, Half | 5k | 25k | 3 | 5.5 | -40 to 85°C | $6.50 (ADM2687EBRIZ) |
| 4 | ADM2682E | 16M | Full, Half | 5k | 25k | 3 | 5.5 | -40 to 85°C | $7.50 (ADM2682EBRIZ) |
| 5 | ADM2481 | 500k | Half | 2.5k | 25k | 3 | 5.5 | -40 to 85°C | $2.60 (ADM2481BRWZ) |
| 6 | LTM2881-5 | 20M | Full, Half | 2.5k | 30k | 1.62 | 5.5 | -55 to 105°C | $8.45 (LTM2881CV-5#PBF) |
| 7 | LTM2881-3 | 20M | Full, Half | 2.5k | 30k | 1.62 | 5.5 | -55 to 105°C | $8.45 (LTM2881CV-3#PBF) |
| 8 | ADM2587E | 500k | Full, Half | 2.5k | 25k | 3 | 5.5 | -40 to 85°C | $5.50 (ADM2587EBRWZ) |
| 9 | ADM2582E | 16M | Full, Half | 2.5k | 25k | 3 | 5.5 | -40 to 85°C | $6.50 (ADM2582EBRWZ) |
| 10 | ADM2487E | 500k | Full, Half | 2.5k | 25k | 3 | 5.5 | -40 to 85°C | $3.75 (ADM2487EBRWZ) |
| 11 | ADM2484E | 500k | Full, Half | 5k | 25k | 3 | 5.5 | -40 to 85°C | $2.80 (ADM2484EBRWZ) |
| 12 | ADM2482E | 16M | Full, Half | 2.5k | 25k | 3 | 5.5 | -40 to 85°C | $4.00 (ADM2482EBRWZ) |
| 13 | ADM2491E | 16M | Full, Half | 5k | 25k | 3 | 5.5 | -40 to 85°C | $4.76 (ADM2491EBRWZ) |
| 14 | ADM2485 | 16M | Half | 2.5k | 25k | 2.7 | 5.5 | -40 to 85°C | $4.20 (ADM2485BRWZ) |
| 15 | ADM2490E | 16M | Full | 5k | 25k | 2.7 | 5.5 | -40 to 105°C | $4.55 (ADM2490EBRWZ) |
| 16 | ADM2483 | 500k | Half | 2.5k | 25k | 2.7 | 5.5 | -40 to 85°C | $2.60 (ADM2483BRWZ) |
| 17 | ADM2486 | 20M | Half | 2.5k | 25k | 2.7 | 5.5 | -40 to 85°C | $3.25 (ADM2486BRWZ) |
| 18 | LTC1535 | 250k | Full, Half | 2.5k | - | 4.5 | 5.5 | -40 to 85°C | $5.35 (LTC1535CSW#PBF) |
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