SI8422AD-D-IS vs SI8422BB-D-IS Comparison
Detailed side-by-side comparison of SI8422AD-D-IS by Skyworks Solutions and SI8422BB-D-IS by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI8422AD-D-IS - 5kV 2-Ch Digital Isolator, 1Mbps | Skyworks
SI8422AD-D-IS ✓ ActiveSkyworks Solutions
SI8422BB-D-IS - 2.5 kV 2-Channel Digital Isolator | Skyworks
SI8422BB-D-IS ✓ ActiveSpecification Comparison
| Parameter | SI8422AD-D-IS | SI8422BB-D-IS |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.42 | $1.52 |
| Isolation Voltage | 5000 Vrms | — |
| Channels | 2 (1 forward + 1 reverse) | 2 (1 forward + 1 reverse) |
| Maximum Data Rate | 1 Mbps | 150 Mbps |
| Common-Mode Transient Immunity (CMTI) | 20 kV/µs (minimum) | 20 kV/µs |
| Typical Propagation Delay | 35 ns | — |
| Propagation Delay Skew | <10 ns (worst case, channel-to-channel) | — |
| Supply Voltage Range | 2.7 V to 5.5 V (each side) | 2.70 V to 5.5 V (each side) |
| Default Output State (Fail-Safe) | Logic LOW when input side unpowered (D variant) | High (BB suffix; Low = AB) |
| Channel Configuration | Unidirectional, 1 fwd + 1 reverse | — |
| Technology | RF-coupled CMOS digital isolator (transformer-based) | CMOS, RF-coupled isolation |
| Package | Wide-body 16-SOIC, 0.295 in (7.50 mm) | 8-SOIC narrow body (0.154", 3.90 mm width) |
| Creepage / Clearance | 8 mm (wide-body SOIC) | — |
| Operating Temperature | -40 °C to +125 °C | -40 °C to +125 °C (industrial) |
| Safety Certifications | UL, CSA, VDE (Reinforced Insulation per IEC 60747-17 / IEC 62368-1) | UL, CSA, VDE certified |
| RoHS Status | ROHS3 Compliant | RoHS-compliant (JEDEC 260 °C reflow) |
| MSL Level | 3 (per JEDEC J-STD-020) | MSL 2A |
| Isolation Rating | — | 2500 V RMS |
| Propagation Delay | — | < 10 ns (worst case) |
| Mounting Type | — | Surface Mount |
| AEC-Q100 Qualification | — | Yes (automotive grade) |