SI8642BB-B-IU vs SI8645BA-B-IU Comparison
Detailed side-by-side comparison of SI8642BB-B-IU by Skyworks Solutions and SI8645BA-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
SI8645BA-B-IU - 4-Ch 1kV Digital Isolator, 150Mbps | Skyworks
SI8645BA-B-IU ✓ ActiveSpecification Comparison
| Parameter | SI8642BB-B-IU | SI8645BA-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 | $1.34 |
| Type | Digital Isolator, General Purpose | — |
| Number of Channels | 4 | 4 |
| Channel Configuration | 2 forward / 2 reverse | 4/0 (all same direction, BA variant) |
| Isolation Voltage | 2500 Vrms | — |
| Data Rate | 150 Mbps | 150 Mbps |
| Propagation Delay | 8 ns typical, <10 ns max | — |
| Common-Mode Transient Immunity (CMTI) | 35 kV/µs | 35 kV/µs |
| Supply Voltage (VDD) | 2.375 V to 5.5 V | 2.5 V to 5.5 V |
| Technology | CMOS Capacitive Isolation | CMOS capacitive isolation barrier |
| Operating Temperature | -40 °C to +85 °C | -40 C to +125 C (industrial) |
| Package | 16-QSOP (0.154 inch / 3.90 mm width) | 16-pin QSOP / SSOP (0.154", 3.90 mm width) |
| Mounting Type | Surface Mount | Surface Mount |
| Approximate Body Length | 4.90 mm (narrow body) | — |
| MSL Level | 1 | [DATA_NEEDED: MSL level] |
| RoHS Status | Compliant | Compliant |
| Fail-Safe Output | Supported | — |
| Isolation Type | — | Digital Isolator (CMOS capacitive) |
| Isolation Voltage Rating | — | 1000 Vrms |
| Propagation Delay (max) | — | 8 ns |
| Lead-Free | — | Yes |
| Direction | — | Unidirectional (forward) |