ADM3251EARWZ vs ADUM140D1BRZ Comparison
Detailed side-by-side comparison of ADM3251EARWZ by Analog Devices and ADUM140D1BRZ by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
ADM3251EARWZ - 2.5kV Isolated RS-232 Transceiver, 460kbps | ADI
ADM3251EARWZ ✓ Active
Specification Comparison
| Parameter | ADM3251EARWZ | ADUM140D1BRZ |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.05 | $2.99 |
| Function | Isolated single-channel RS-232/V.28 transceiver | — |
| Isolation Voltage | 2500 V rms | — |
| Data Rate (max) | 460 kbps | — |
| Common-Mode Transient Immunity (CMTI) | 25 kV/µs | 75 kV/us |
| Supply Voltage (VDD) | 5 V (single supply) | — |
| ESD Protection (HBM, RIN/TOUT) | ±15 kV | — |
| Number of Drivers / Receivers | 1 / 1 | — |
| External Charge-Pump Capacitors | 4 × 0.1 µF | — |
| Operating Temperature Range | -40 °C to +85 °C | — |
| Package | 20-SOIC (7.50 mm body width, exposed pad) | 16-SOIC (0.154", 3.90 mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Standards Conformance | EIA/TIA-232E, ITU-T V.28 | — |
| Integrated Isolated DC-DC | Yes (isoPower) | — |
| Shutdown Mode | Yes (low-power) | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Isolation Voltage (rms) | — | 3000 Vrms |
| Number of Channels | — | 4 |
| Channel Direction | — | 4:0 (4 forward / 0 reverse) |
| Maximum Data Rate | — | 150 Mbps |
| Propagation Delay (typical) | — | 10 ns |
| Fail-Safe Output State | — | Default Low (Channel option "1") |
| Supply Voltage (side 1 / side 2) | — | 2.5 V to 5.5 V (each side) |
| Operating Temperature | — | -40C to +125C |
| Technology | — | iCoupler (CMOS transformer-based) |
| MSL Level | — | [DATA_NEEDED: MSL Level] |
| UL 1577 / IEC 60747-17 Certification | — | Reinforced isolation, 3 kV rms (per UL 1577) |
| Output Drive Capability | — | [DATA_NEEDED: Output drive strength] |