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| Parameter | Specification Details |
|---|---|
| Product Model | BUM1400FCR |
| Main Function | Radiation Hardened 4-Channel Digital Isolator – TTL-compatible input – Total Ionizing Dose (TID) ≥ 100Krad (Si) – Single Event Latch-up (SEL) immunity ≥ 75MeV·cm²/mg – Propagation delay ≤ 90ns – Pulse width distortion ≤ 10ns |
| Operating Voltage (V) | 3~5.5 |
| Isolation Voltage (V) | ≥2000 (per GJB360 standard conditions) |
| Max Data Rate (Mbps) | 25 |
| Channel Count | 4 (4/0) |
| Package Type | FP16 |
| Equivalent Part Number | ADuM1400BRWZ / ADuM7440 |
| Parameter Name | Specification Details |
|---|---|
| Product Model | BUM1400FCR |
| Chip Type | Radiation Hardened Digital Isolator |
| Channel Configuration | 4-channel unidirectional (4/0) — All 4 signals transmit from Side A to Side B |
| Brand/Manufacturer | BMTI (Beijing Microelectronics Technology Institute / 772 Institute) |
| Technical Principle | Magnetic coupling or capacitive coupling (replaces traditional aerospace optocouplers) |
| Core Advantages | High-speed (Mbps level), low power consumption, high isolation voltage, excellent total ionizing dose (TID) resistance |
| Main Applications | On-board secondary power supply synchronization, ADC/DAC data isolation, system-level level shifting |
| Package Type | High-reliability ceramic package (FCR grade) |