SI8642BB-B-IU vs SI8640BA-B-IU Comparison
Detailed side-by-side comparison of SI8642BB-B-IU by Skyworks Solutions and SI8640BA-B-IU 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
SI8642BB-B-IU - 4-Ch 2.5kV Digital Isolator, 150Mbps | Skyworks
SI8642BB-B-IU ✓ ActiveSkyworks Solutions
SI8640BA-B-IU - 4-Ch 2.5kV Digital Isolator, 150Mbps | SSOP-16
SI8640BA-B-IU ✓ ActiveSpecification Comparison
| Parameter | SI8642BB-B-IU | SI8640BA-B-IU |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $2.18 |
| Type | Digital Isolator, General Purpose | — |
| Number of Channels | 4 | 4 (unidirectional) |
| Channel Configuration | 2 forward / 2 reverse | 3 forward / 1 reverse (BA) |
| Isolation Voltage | 2500 Vrms | — |
| Data Rate | 150 Mbps | — |
| Propagation Delay | 8 ns typical, <10 ns max | 8 ns (typical) |
| Common-Mode Transient Immunity (CMTI) | 35 kV/µs | 35 kV/µs (minimum) |
| Supply Voltage (VDD) | 2.375 V to 5.5 V | — |
| Technology | CMOS Capacitive Isolation | — |
| Operating Temperature | -40 °C to +85 °C | — |
| Package | 16-QSOP (0.154 inch / 3.90 mm width) | 16-pin SSOP (0.154", 3.90 mm body width) |
| Mounting Type | Surface Mount | Surface Mount |
| Approximate Body Length | 4.90 mm (narrow body) | — |
| MSL Level | 1 | 2 (1 year floor life) |
| RoHS Status | Compliant | Compliant |
| Fail-Safe Output | Supported | — |
| Isolation Voltage (rms) | — | 2500 V |
| Maximum Data Rate | — | 150 Mbps |
| Supply Voltage Range (each side) | — | 2.375 V to 5.5 V |
| Operating Temperature Range | — | -40 °C to +125 °C (industrial) |
| Surge Withstand Capability | — | ±200 kV/µs |
| Isolation Barrier Life | — | 60 years (minimum) |
| Input Type | — | Schmitt-trigger |
| Output Default State | — | Low |
| Jitter (typical) | — | 1.5 ns |