SI8422BB-D-IS vs ADUM4151ARIZ-RL Comparison
Detailed side-by-side comparison of SI8422BB-D-IS by Skyworks Solutions and ADUM4151ARIZ-RL 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
ADUM4151ARIZ-RL - 5kV 7-CH SPIsolator Digital Isolator | Analog Devices
ADUM4151ARIZ-RL ✓ ActiveSpecification Comparison
| Parameter | SI8422BB-D-IS | ADUM4151ARIZ-RL |
|---|---|---|
| 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 | $6.05 |
| Isolation Rating | 2500 V RMS | — |
| Channels | 2 (1 forward + 1 reverse) | — |
| Maximum Data Rate | 150 Mbps | — |
| Propagation Delay | < 10 ns (worst case) | — |
| Supply Voltage Range | 2.70 V to 5.5 V (each side) | 3 V to 5.5 V |
| Common-Mode Transient Immunity (CMTI) | 20 kV/µs | — |
| Default Output State (Fail-Safe) | High (BB suffix; Low = AB) | — |
| Operating Temperature | -40 °C to +125 °C (industrial) | — |
| Package | 8-SOIC narrow body (0.154", 3.90 mm width) | 20-pin SOIC_W (increased creepage), 7.50 mm body width |
| Mounting Type | Surface Mount | Surface Mount (Gull-wing) |
| Technology | CMOS, RF-coupled isolation | — |
| AEC-Q100 Qualification | Yes (automotive grade) | — |
| Safety Certifications | UL, CSA, VDE certified | — |
| RoHS Status | RoHS-compliant (JEDEC 260 °C reflow) | Compliant |
| MSL Level | MSL 2A | 3 |
| Isolation Voltage (rms) | — | 5000 Vrms |
| Number of Channels | — | 7 |
| Channel Configuration | — | 2 Forward / 1 Reverse Auxiliary + 4 SPI lanes |
| Data Rate (max) | — | 2 Mbps |
| Propagation Delay (max) | — | 25 ns |
| Common-Mode Transient Immunity (min) | — | 25 kV/µs |
| Operating Temperature Range | — | -40°C to +125°C |
| Isolation Technology | — | iCoupler chip-scale transformer |
| Withstand Voltage (per UL 1577) | — | 5 kV rms for 1 minute |
| Lead Finish | — | Matte Tin (lead-free) |
| Tape and Reel Packaging | — | 13-inch reel, -RL suffix |
| Auxiliary Channel Direction | — | 2/1 (forward/reverse) |