SI8422BB-D-IS vs ADUM3154ARSZ Comparison
Detailed side-by-side comparison of SI8422BB-D-IS by Skyworks Solutions and ADUM3154ARSZ by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI8422BB-D-IS - 2.5 kV 2-Channel Digital Isolator | Skyworks
SI8422BB-D-IS ✓ ActiveAnalog Devices
ADUM3154ARSZ - 3.75 kV SPI Isolator, 4 ch, 2 Mbps | Analog Devices
ADUM3154ARSZ ✓ ActiveSpecification Comparison
| Parameter | SI8422BB-D-IS | ADUM3154ARSZ |
|---|---|---|
| Brand | Skyworks Solutions | Analog Devices |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.52 | $4.18 |
| Isolation Rating | 2500 V RMS | — |
| Channels | 2 (1 forward + 1 reverse) | — |
| Maximum Data Rate | 150 Mbps | — |
| Propagation Delay | < 10 ns (worst case) | [DATA_NEEDED: typical propagation delay] |
| Supply Voltage Range | 2.70 V to 5.5 V (each side) | [DATA_NEEDED: VDD1/VDD2 range] |
| Common-Mode Transient Immunity (CMTI) | 20 kV/µs | 25 kV/µs (minimum) |
| Default Output State (Fail-Safe) | High (BB suffix; Low = AB) | — |
| Operating Temperature | -40 °C to +125 °C (industrial) | -40 °C to +125 °C |
| Package | 8-SOIC narrow body (0.154", 3.90 mm width) | 20-SSOP (0.209", 5.30 mm width, RS-20) |
| Mounting Type | Surface Mount | Surface Mount |
| Technology | CMOS, RF-coupled isolation | iCoupler (chip-scale transformer) |
| AEC-Q100 Qualification | Yes (automotive grade) | — |
| Safety Certifications | UL, CSA, VDE certified | — |
| RoHS Status | RoHS-compliant (JEDEC 260 °C reflow) | ROHS3 Compliant |
| MSL Level | MSL 2A | 3 (168 hours) |
| Isolation Voltage | — | 3.75 kV rms |
| Number of Channels | — | 7 (4 high-speed + 2 low-speed address + 1 aux) |
| High-Speed Channels | — | 4 (MOSI, MISO, SCLK, SS) |
| Maximum Data Rate (high-speed) | — | 2 Mbps |
| Low-Speed Address Bus | — | 250 kbps, 2-channel |
| Isolation Type | — | Reinforced |
| REACH Status | — | REACH Unaffected |
| Safety Approvals | — | UL, VDE (per datasheet) |