Isolated RS-232
Isolated RS-232 is a serial communication standard defined by TIA/EIA-232-F that conveys data over a simple unterminated, multiconductor cable. Although the original specification was intended for modems, subsequent RS-232 transceivers support general-purpose serial interfaces at data rates up to 1 Mbps. Analog Devices offers a wide range of isolated iCoupler® and μModule® RS-232 transceivers that remove ground loops by isolating the logic-level interface and line transceiver, protect against voltage spikes and common-mode transient events so data remains intact, and provide options for integrated dc-to-dc power converters. iCoupler digital isolation technology solutions minimize PCB real estate and enable the power isolation and signal isolation required for system reliability in a noisy environment. μModule RS-232 transceivers offer isolated RS-232 solutions with no external components and up to 1 W of additional power.
Product Selection Table
Isolated RS-232
| SortOrder | Part# | # of Channels | Data Rate (max) (bps) | Insulation Rating (V rms) | CMTI (min) (V/us) | Vs+ (min) (V) | Vs+ (max) (V) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|
| 1 | ADM3252E | 2 | 460k | 2.5k | 25k | 3 | 5.5 | $8.49 (ADM3252EABCZ) |
| 2 | LTM2882-5 | 2 | 1M | 2.5k | 30k | 4.5 | 5.5 | $8.45 (LTM2882CV-5#PBF) |
| 3 | LTM2882-3 | 2 | 1M | 2.5k | 30k | 3 | 3.6 | $8.45 (LTM2882CV-3#PBF) |
| 4 | ADM3251E | 1 | 460k | 2.5k | 25k | 4.5 | 5.5 | $2.99 (ADM3251EARWZ) |
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